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Review

Recent Research on Different Parts and Extracts of Opuntia dillenii and Its Bioactive Components, Functional Properties, and Applications

1
Department of Food and Beverage Management, Chung-Jen Junior College of Nursing, Health Sciences and Management, Chia-Yi City 60077, Taiwan
2
Department of Dermatology, Taichung Veterans General Hospital, Taichung City 40705, Taiwan
3
College of Biotechnology and Bioresources, Da-Yeh University, Changhua 51591, Taiwan
4
Department of Food and Nutrition, Providence University, Taichung City 43301, Taiwan
*
Author to whom correspondence should be addressed.
Nutrients 2023, 15(13), 2962; https://doi.org/10.3390/nu15132962
Submission received: 13 June 2023 / Revised: 19 June 2023 / Accepted: 26 June 2023 / Published: 29 June 2023
(This article belongs to the Section Phytochemicals and Human Health)

Abstract

:
Opuntia dillenii (O. dillenii) is a plant belonging to the Cactaceae family that is abundant in tropical and subtropical regions worldwide. O. dillenii is consumed as a local delicacy and has no other current use. To understand the nutritional value of O. dillenii in human health and its application in the food, cosmetic, and drug industries, this review summarizes information on the chemical compounds (pure α-pyrone compounds, flavonoids, phenolic acids, polysaccharides, minerals, fatty acids, and betalains) and biological properties (anti-diabetic, anti-hyperglycemic, antihyperlipidemic, anti-atherosclerotic, anti-inflammatory, analgesic, antimicrobial, antifungal, antiviral, anti-spermatogenic, anticancer, antilarval, anti-angiogenic, and antioxidant) of extracts from each part of the plant (fruit juice, fruit peel, cladode, and seeds) (aqueous, ethanolic, and methanolic), and seed oil. In addition, data related to the recent applications of O. dillenii in various industries (e.g., edible coatings, food supplements, cosmetics, nanoparticles, and wastewater treatment) are provided.

1. Introduction

Opuntia dillenii (Cactaceae), also known as the prickly pear or pear bush, is a succulent shrub with a height of approximately 1–1.8 m [1,2]. O. dillenii is widely grown in tropical and subtropical regions worldwide as well as in desert and semi-desert areas, including Taiwan and southern China [3,4]. In Taiwan, O. dillenii is known as Xian Ren Zhang and is abundant on Penghu Island [5]. The local people on Penghu Island serve O. dillenii fruit in ice cream, pastry filling, beverages, and other desserts. As a traditional medicine, O. dillenii fruit has been used to treat gonorrhea and control spasmodic cough, whereas its leaves have been used to treat ophthalmia as well as to allay heat and inflammation [6]. The flowers of O. dillenii are yellowish-orange to lemon-yellow, and the flowering period is from April to July [7]. The stems are green, branched, flat, and fleshy and are known as cladodes. The leaves are tiny and shaped like cylindrical spines; the fruits are green but turn red when mature; and the cladode and fruits have glochids on their surfaces [2].
Many studies have focused on the pharmacological properties of O. dillenii because of the various bioactive compounds derived from its different parts. O. dillenii flowers have anti-inflammatory, analgesic, antioxidant, antiviral, and antimicrobial effects [8,9]. The fresh fruit of O. dillenii has antihyperglycemic effects, and its lyophilized aqueous fruit extract has anti-inflammatory properties [10,11]. The cladodes of O. dillenii possess anti-inflammatory properties by inhibiting arachidonic acid metabolites and cytokines and have potent hypotensive and antihyperglycemic effects [12,13,14]. O. dillenii seed oil has antidiabetogenic and antihyperlipidemic activities that are correlated with phenolic content and antioxidant activity [15]. This review aims to summarize the reported phytochemical compounds in different parts of O. dillenii, their beneficial bioactive properties for human health, and their use in different industries.

2. Chemical Compounds of Opuntia dillenii

Different parts of O. dilleni contain varying amounts of compounds. An image of O. dillenii is shown in Figure 1, and Table 1 summarizes the chemical compounds in its fruits, mature stems, seeds, cladodes, and flowers.

2.1. Fruits

O. dillenii fruit contains more fiber, fat, ash, ascorbic acid, total phenolics, sodium, calcium, magnesium, and manganese than other species; hence, consuming O. dillenii fruit contributes to the intake of these nutrients [16]. Interestingly, consuming one serving (150 g) of O. dillenii fruit per day contributes to a high fiber intake (57% for the Spanish population), with a minimum recommended intake of 25 g [16]. Betalains are hydrophilic pigments that accumulate in the vacuoles of cells [24], and the fruit of O. dillenii is an edible source of betalains. A betalain content of 10.19 ± 0.13 mg/g was identified in the fruits of O. dillenii, where betacyanin (red-violet) is the major type [17]. Cold storage conditions (4 °C) are optimal for maintaining the initial redness, lightness, and betalain content of O. dillenii [25]. Specifically, the fruit pulp had a higher betalain content (444.77 mg/100 g f.w.), but the results of in vitro gastrointestinal digestion studies show that the bioaccessibility of betanin is only 22.9% [26].
The phenolic content of O. dillenii was more than two times higher (117 ± 10 mg/100 g) [16] than that of Opuntia ficus indica. Gómez-López et al. reported that the most abundant phenolic acids in O. dillenii whole fruits are protocatechuic acid derivatives (3.26 ± 0.18 mg/g dry weight) and piscidic acid (0.93 ± 0.00 mg/g dry) [17]. Protocatechuic acid has anti-inflammatory, antioxidant, anti-hyperglycemic, antibacterial, anti-aging, anti-angiogenic, antitumor, anti-asthma, anti-ulcer, antispasmodic, and neurological properties [27]. Lataief et al. reported that ethanol is a better solvent for extracting the O. dillenii fruit peel because more phenolic compounds are extracted, and quinic acid is the largest component (1437.03 μg/g) [18]. According to recent studies, quinic acid exhibits various biological activities, including antioxidant, antidiabetic, anticancer, antimicrobial, antiviral, anti-aging, protective, anti-nociceptive, and analgesic effects [28].
The whole fruit of O. dillenii also contains high levels of flavonoids, and glucoxyl-rhamnosyl-pentoside (IG2) is the most abundant (0.28 ± 0.00 mg/g dry weight). An ethanolic extract of O. dillenii fruit peel has 11 flavonoids (flavones, flavonols, flavanones, and flavanols), and rutin (11.42 μg/g), naringin (0.34 μg/g), and luteolin (6.16 μg/g) are the largest components. Rutin has many therapeutic properties owing to its potent antioxidant and anti-inflammatory activities [29].

2.2. Seeds

Ghazi et al. reported that O. dillenii seeds are rich in minerals; phosphorous is the major compound (970.15 mg/100 g), and the amount of zinc (78.26 mg/100 g) is higher than that of other trace elements, including iron, manganese, nickel, chromium, and copper [19]. The oil extracted from O. dillenii seeds by Soxhlet extraction and supercritical fluid extraction contained high levels of unsaturated fatty acids, with linoleic acid (≤62%) being the most abundant. In addition, trilinolein was the most abundant triacylglycerol (32–35%), and the reported phenol compounds were vanillin, 4-hydroxybenzaldehyde, vanillic acid, and γ-tocopherol at 81–89 mg/100 g [30]. Powdered O. dillenii seeds contain a high crude fiber content (52.78%) [31]. Despite their high nutritional content, ripe fruits of O. dilleniid, which contain 39.66% seeds, are considered by-products of the food processing industry and, hence, can be used to increase the functional and sensory properties of food products [31,32].

2.3. Cladodes

The methanolic extract of O. dillenii cladode contains the signature compounds opuntiol and opuntioside as anti-inflammatory agents, which are non-cytotoxic, non-hepatotoxic, non-nephrotoxic, and non-genotoxic [12,23]. In addition, ethanolic extracts of O. dillenii cladodes contain quinic acid, quercetin, rutin, luteolin, and cirsiliol as the major phenolic compounds. The major volatile compounds are n-hexadecanoic acid and stigmastan-3,5-diene [21]. Mucilage from the O. dillenii cladode exhibited pseudoplastic behavior and a good swelling index of 6.2%. Mucilage also contains neutral sugars, including galactose, rhamnose, and arabinose, and exhibits anti-obesity properties through lipase inhibition [22].

2.4. Flowers

The ethanolic extract of O. dillenii flowers contains three flavonoid glycosides (kaempferol 3-O-α-arabinoside, isorhamnetin-3-O-glucoside, and isorhamnetin-3-O-rutinoside) and shows potent anti-inflammatory and analgesic effects at a dose of 200 mg/kg [8]. The methanolic extract of O. dillenii flowers exhibited potent antioxidant abilities, with an IC50 of 58.7 μg/mL. This extract possesses strong antiviral activity against herpes simplex 1 and 2 and the vaccinia virus while exhibiting cytotoxicity above 100 μg/mL [9]. These studies indicate that O. dillenii flowers are suitable as natural antioxidants.

3. Biological Properties of Opuntia dillenii

As shown in Figure 2, a variety of O. dillenii biologically active compounds have been reported, including those with antidiabetic, antihyperglycemic, antihyperlipidemic, anti-atherosclerotic, anti-inflammatory, analgesic, antimicrobial, antifungal, antiviral, anti-spermatogenic, anticancer, antilarval, anti-angiogenic, and antioxidant properties.

3.1. Anti-Hyperglycemic and Anti-Diabetic Effects

Diabetes is among the top 10 causes of death in adults, affecting approximately 10% of the population and causing four million deaths globally in 2017 [33,34]. Half a billion people worldwide are living with diabetes, and this number is projected to increase by 25% by 2030 and 51% by 2045 [35]. Diabetes mellitus (DM) is a chronic metabolic disease characterized by high blood sugar levels, and more than 90% of DM cases are type 2 diabetes mellitus (T2DM) [36]. T2DM is associated with hyperglycemia and is caused by defective insulin secretion by pancreatic β-cells and the inability of insulin-sensitive tissues to respond to insulin owing to a complex network of pathological conditions [37]. Perfumi and Tacconi (1996) showed that drinking O. dillenii fruit juice has an anti-hyperglycemic effect by decreasing the intestinal absorption of glucose [10]. In addition, a water-soluble polysaccharide extracted from O. dillenii fruits has hypoglycemic and protective effects in streptozotocin (STZ)-induced diabetic rats by decreasing oxidative stress and preserving the integrity of pancreatic islets [38]. In addition to fruit juice, the oil extracted from O. dilleni seeds reduced blood glucose levels in STZ-induced rats and prevented diabetic effects in diabetic rats 30 days after administration [39]. The mechanism of the antidiabetic effect of O. dillenii seed oil involves inhibition of intestinal α-glucosidase and pancreatic α-amylase enzymes, as well as inhibition of intestinal absorption of D-glucose [40]. The ethanolic extracts of O. dillenii fruits, peels, and seeds contain naringin, catechin, and kaempferol, which are antidiabetic compounds [41]. ODP-Ia, a polysaccharide found in O. dillenii cladodes, exerts an antihyperglycemic effect by protecting the liver from peroxidation damage and by maintaining tissue function. Moreover, it aids the recovery of tissue function and improves the sensitivity of target cells to insulin in STZ-induced diabetic mice [14].

3.2. Antihyperlipidemic and Anti-Atherosclerosis Effects

Hyperlipidemia is an acquired condition or the result of a hereditary condition that refers to high fasting total cholesterol concentrations, elevated triglycerides, or both [42]. The O. dillenii cladode polysaccharide ODP-Ia is mainly composed of rhamnose, arabinose, galactose, glucose, and arabinuronic acid. ODP-Ia significantly decreases serum lipid levels and increases serum high-density lipoprotein cholesterol in hyperlipidemic Sprague-Dawley rats [43]. Atherosclerosis results from hyperlipidemia and lipid oxidation and is characterized by fatty plaques located in a central core that is found in all vascular systems [44]. Intraperitoneally injecting atherosclerotic rats with the O. dillenii polysaccharide (OPS) for 60 days showed that OPS has a significant anti-atherosclerotic effect by improving vasorelaxation in the thoracic aorta [45].

3.3. Anti-Inflammatory and Analgesic Effects

The fresh juice of O. dillenii has anti-inflammatory effects in rats with acetic-induced ulcerative colitis because of the presence of phenolic, flavonoid, and betalain compounds, which significantly reduce myeloperoxidase, malondialdehyde (MDA), and serum lactate dehydrogenase levels and enhance colonic levels of reduced glutathione [46]. In addition, the hydroalcoholic extract of O. dillenii fruit (100 and 200 mg/kg) exhibited hepatoprotective effects against Pb-induced liver toxicity in rats owing to its anti-inflammatory effect of reducing serum liver enzyme activities, MDA, and pathological scores, as well as increasing catalase levels [47]. Exposure to Cd seriously damages human health, leading to swelling of liver cells, exposure of the nucleus, central venous congestion, apoptosis, and inflammatory cell infiltration [48]. Mice with Cd-induced liver injury showed improved pathological indicators after the administration of OPS for 28 days (200 mg/kg) [48].
Paw edema induced by carrageenan in test animals is commonly used to determine anti-inflammatory effects [8,11,49]. The analgesic effect of a test sample on test animals can vary from electrical stimulation of the rat tail [49], acetic acid-induced writhing test [11,49], formalin-induced paw licking response [49], or hot-plate-induced jumping response [11,49]. Lyophilized O. dillenii crude aqueous fruit extract (100–400 mg/kg, injected intraperitoneally) exhibits analgesia associated with anti-inflammatory effects in carrageenan-induced paw edema in Sprague-Dawley rats and Swiss albino mice, and the results were obtained using the writhing and hot plate tests [11]. In addition to the fruit, the methanolic extract of the O. dillenii cladode containing opuntiol and opuntioside also showed analgesic effects by reducing peripheral and centrally mediated pain via an opioid-dependent and opioid-independent system in NMRI mice [49]. Siddiqui et al. (2016) reported that opuntioside has a better analgesic effect due to the presence of a sugar moiety in the α-pyrone ring, which causes faster absorption. They concluded that O. dillenii is a natural product with analgesic properties [49]. A 200 mg/kg dose of the alcoholic extract of O. dillenii flowers, containing the flavonoid glycosides kaempferol 3-O-α-arabinoside, isorhamnetin-3-O-glucoside, and isorhamnetin-3-O-rutinoside, showed the most potent anti-inflammatory and analgesic effects [8]. Fresh fruit pulp contains a higher betalain content, but when processed into jam, it contains only a few betalains [26].

3.4. Antimicrobial, Antifungal, and Antiviral Activities

Aqueous and ethanolic extracts of O. dillenii cladodes do not have antibacterial effects against gram-negative bacteria (Salmonella enteritidis, Escherichia coli, and Klebsiella pneumoniae). Instead, they are more sensitive to gram-positive bacteria (Staphylococcus aureus and Micrococcus luteus) [21]. In addition, the aqueous and ethanolic extracts of the O. dillenii cladode have antifungal activity against Fusarium oxysporum, with minimum inhibitory concentration (MIC) values of 2.34 and 4.68 mg/mL, respectively, and microbial fuel cells (MFC) of 18.75 and 75 mg/mL, respectively; there was no difference with the positive control cyclohexamide [21]. In another study, the methanolic extract of O. dillenii fruit was used for antibacterial screening and was reported to be active against 14 different bacterial strains at a concentration of 1000 μg/mL. This extract showed antifungal activity against six different fungal strains at concentrations of 500 and 1000 μg/mL [50]. The antibacterial activity of O. dillenii aqueous extracts was tested on six bacterial strains and compared to the standard antibiotic chloramphenicol, and the results showed that chloramphenicol had a significantly higher potential against all tested bacteria (MIC 0.63–2.5 mg/mL and 1.3–20 μg/mL, respectively) [51]. The seeds of O. dillenii from Nador extracted with ethyl acetate, ethanol, and water have antifungal activity against six fungal species with MIC values ranging from 0.16 to 2.5 mg/mL [51]. Interestingly, Katanić et al. found that the aqueous extract of O. dillenii fruits from Nador has a lower MIC value toward K. pneumoniae at 0.31 mg/mL compared to the aqueous extract of O. dillenii cladodes, with a MIC of 18.75 mg/mL [21,51]. Kumar et al. (2014) demonstrated that a methanolic extract of O. dillenii flowers has significant anti-herpes simplex types 1 and 2 (EC50 25 μg/mL and 20 μg/mL, respectively) and moderate antiviral activities against the vaccinia virus (EC50 100 μg/mL) [9].

3.5. Anti-Spermatogenic Activity

In 2002, Gupta et al. reported that the weights of the testes, epididymides, seminal vesicles, and venal prostate decreased significantly, and the production of spermatids decreased along with a reduced population of preleptotene spermatocytes, spermatogonia, and secondary spermatocytes after oral administration of an O. dillenii phylloclade methanolic extract (250 mg/kg) for 60 days in male Wistar rats [52]. Bajaj and Gupta (2012) treated male Wistar rats orally with a 100% methanolic extract of O. dilleni phylloclade (50 mg/kg) for 30 days and showed significantly reduced testosterone levels as well as significantly decreased epididymal sperm counts and motility.

3.6. Anticancer Activity

The ethanolic extract of O. dillenii cladodes has potent dose-dependent (100–500 μg/mL) anticancer activity against the HeLa cancer cell line compared to two other plants of the Cactaceae family, Cereus pterogonus and Acanthocereus tetragonus [53]. The ethanolic extract of O. dillenii cladodes has also been reported to be active against two human cancer cell lines (Caco-2 and K-562), with Caco-2 (colon cancer cell lines) being more sensitive than K-562 (lymphoblast cells) [21]. The effects of O. dillenii extract (fruit juice, skin, and seeds) on cell viability were tested in three human cancer cell lines derived from the colon (LoVo), liver (HepG2), and breast (MCF-7). None of the extracts were toxic to hepatic cancer cells, but the IC50 values in colon and breast cancer cells were determined only for the ethanolic seed extract [51]. An O. dillenii cladode extract tested on B16-F10 murine melanoma cells promoted wound healing, and 20 g/L O. dillenii extract significantly suppressed IBMX-induced melanogenesis, triggered cell proliferation, and decreased the mRNA expression of vascular endothelial growth factor and insulin-like growth factor-1, which prevented tumor proliferation and swelling [5].

3.7. Antilarval Activity

In addition to its potent anticancer activity, the ethanolic extract of O. dillenii cladodes also showed potent anti-larval activity in a larvicidal assay against fourth-instar larvae of Aedes aegypti in a dose-dependent manner (100–500 μg/mL) compared to two other Cactaceae family plants, Cereus pterogonus and Acanthocereus tetragonus [53].

3.8. Anti-Angiogenic Effects

The aqueous extract of O. dillenii has antiangiogenic potential by significantly reducing the total area and diameter of the primary, secondary, and tertiary blood vessels and capillary plexuses in a dose-dependent manner, which would be effective for cancer treatment [54].

3.9. Antioxidant Activity

In studies related to O. dillenii, DPPH is commonly used to measure antioxidant activity. The antioxidant activities of the different parts of O. dillenii are shown in Table 2. The polysaccharides extracted from O. dillenii cladodes have excellent antioxidant activity against DPPH radicals (8.80–58.44%) and good activity against hydroxyl radicals (0.84–45.69%) and superoxide radicals (5.22–43.71%) [3]. O. dillenii seed oil has DPPH scavenging activity with an IC50 value of 0.38 ± 0.08 mg/mL, and its phenolic content is correlated with antidiabetogenic and antihyperlipidemic activities [15]. In another study, the results of DPPH radical scavenging activity and the ascorbic acid test for O. dillenii juice (IC50 = 8.18 μL/mL) were higher than those of ascorbic acid alone (IC50 = 16.56 ± 0.019 μg/mL), making it suitable as a dietary complement or natural antioxidant [19]. The total antioxidant activity of the O. dilleni aqueous juice extract was the highest (830 ± 10 mg AAE/g dry extract) compared to other parts of the plant, whereas the ethanolic seed extract had the highest DPPH scavenging potential (IC50 = 45–63 μg/mL) and ABTS scavenging activity (IC50 = 88–130 μg/mL). However, the ethanolic extract of the seeds has a significantly lower antioxidant potential toward DPPH-scavenging radicals than reference compounds such as ascorbic acid, ellagic acid, and quercetin [51].

4. Applications for Opuntia dillenii

As shown in Figure 3, O. dillenii has also been used in new product development, such as treating wastewater, preserving the shelf-life of freshly cut produce, as a cosmetic ingredient, producing gold and silver nanoparticles, and improving nutritional and sensory value during food product development.

4.1. Edible Coating

To extend the shelf life of fresh-cut potatoes, polysaccharides extracted from O. dillenii cladodes have been used to form edible coatings that suppress browning, microbial growth, and respiration rate, as well as inhibit weight loss and the formation of total sugars during storage at 5 °C for 5 days [55]. Another study reported that an edible coating made from OPS incorporated with glutathione extended the shelf life of fresh-cut Chinese water chestnuts stored at 3 °C for 10 days by suppressing the respiration rate, preventing weight loss, decreasing soluble solid content, and browning, as well as maintaining firmness [56].

4.2. Food Products

The seeds of O. dillenii, which are rich in fiber and contain high levels of antioxidants, have been incorporated into a rice-based extrude, which not only improves all sensory attributes in a sensory test but also enhances the fiber, phenolic, flavonoid, and antioxidant activities of the extrudates [31]. O. dillenii seed oil, which contains linoleic acid and exhibits strong antioxidant activity, has been used as a natural preservative in cake. No significant difference in peroxide value was detected between BHT-and O. dillenii seed oil-treated cakes [32]. O. dillenii fruit is used as a juice, and the physicochemical properties and bioactive compounds have been preserved by high hydrostatic pressure and thermal pasteurization [57]. The fruit pulp of O. dillenii, which has a low pH value, has been used in low-fat ice cream; the fruit pulp significantly increases the overrun of ice cream and slightly increases its melting rate [58]. Frozen whole fruit of O. dillenii has also been used to produce jam with very low phenolic and betalain content, which makes it difficult to use [26].

4.3. Cosmetics

O. dillenii is not commonly used in the cosmetics industry. Only one study has reported using an O. dillenii cladode extract to protect cells against ultraviolet light damage and inhibit melanin production, making it suitable for the development of skincare products [5]. In addition, Lataiefa et al. reported that an O. dillenii peel extract improves the antioxidant activity of cosmetic products owing to its total phenolic and total flavonoid contents, as well as its sensitivity toward S. aureus, M. luteus, and P. catenulatum [18].

4.4. Gold and Silver Nanoparticles

Nanoparticles made with noble metals, such as gold and silver, have been used in many fields, including cosmetics, and their synthesis can be carried out using green methods with plant extracts that contain phytochemical compounds as reducing agents and stabilizers [59]. Ahmed et al. reported that O. dillenii contains phytochemicals such as alkaloids, betacyanins, saponins, tannins, flavonoids, and phlobatannins. In addition, an O. dillenii extract alone with synthesized gold and silver nanoparticles exhibited a clear zone of inhibition toward bacteria, including E. coli, S. aureus, K. pneumonia, and P. aeruginosa, as well as fungal species, including T. viride, C. albicans, C. krusei, and A. niger [60].

4.5. Pharmaceutical Applications

O. dillenii fruit extract has been used as a traditional medicine to treat gastrointestinal and bronchial problems on the Canary Islands [11]. O. dillenii has been used to treat diabetes in Tunisia, Pakistan, and Canada [10,40,61,62]. The macerated leaf juice of O. dillenii has been used to maintain health and mental strength in Bangladesh [63]. O. dillenii is considered an important traditional medicine in China, Algeria, and Nigeria [64]. As described in Section 3, recent studies have reported that O. dillenii has biological properties (antidiabetic, antihyperglycemic, antihyperlipidemic, anti-atherosclerotic, anti-inflammatory, analgesic, antimicrobial, antifungal, antiviral, anti-spermatogenic, anticancer, antilarval, alti-angiogenic, and antioxidant), making it suitable for new drug development.

4.6. Wastewater Treatment

O. dillenii seeds have been reported to be adsorbents that significantly remove two acidic textile dyes, drimarene blue K2RL and eosin B, from large-scale aqueous media, where they can be recycled by desorbing with ethanol [65]. Nougbodé et al. (2013) reported that an aqueous O. dillenii solution made from stems clarifies very turbid surface water as a natural coagulant by suspending solids and eliminating color in the water when combined with lime [66].

5. Conclusions

O. dillenii is a valuable cactus plant because it contains important phytochemicals that promote human health. Phytochemical compounds derived from fruits, cladodes, and seeds consist of betalains, phenolic acids, flavonoids, minerals, fatty acids, polysaccharides, and α-pyrone compounds, which are responsible for various beneficial biological properties. Biological properties, such as antioxidant, anti-hyperglycemic, anti-diabetic, and anti-inflammatory properties, are commonly used as the main topic in research studies, while the remaining properties remain scarce. Interestingly, O. dillenii is not only applicable in food products, cosmetics, and pharmaceuticals but is also an environmentally friendly solution to treat wastewater. Hence, O. dillenii is a promising plant for the development of new products, owing to its wide application in various fields.

Author Contributions

Conceptualization, W.-C.L.; data curation, Y.-J.C. and W.-C.L.; formal analysis, C.-S.C. and P.-H.L.; funding acquisition, C.-S.C.; investigation, Y.-J.C. and A.T.M.; methodology, P.-H.L. and W.-C.L.; resources, A.T.M.; software, P.-H.L. and W.-C.L.; supervision, A.T.M.; validation, P.-H.L. and W.-C.L.; visualization, Y.-J.C.; writing—original draft, A.T.M., P.-H.L. and W.-C.L.; writing—review and editing, P.-H.L. and W.-C.L. All authors have read and agreed to the published version of the manuscript.

Funding

This research was funded by Taiwan National Science and Technology, grant number NSTC 112-2622-E-126-002. The APC was funded by Taichung Veterans General Hospital.

Institutional Review Board Statement

Not applicable.

Informed Consent Statement

Not applicable.

Data Availability Statement

Data is contained within the article.

Conflicts of Interest

The authors declare no conflict of interest.

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Figure 1. Opuntia dillenii on Penghu Island, Taiwan.
Figure 1. Opuntia dillenii on Penghu Island, Taiwan.
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Figure 2. Functional properties of Opuntia dillenii.
Figure 2. Functional properties of Opuntia dillenii.
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Figure 3. Applications of Opuntia dillenii in various fields.
Figure 3. Applications of Opuntia dillenii in various fields.
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Table 1. Chemical composition of different parts and extracts of Opuntia dillenii.
Table 1. Chemical composition of different parts and extracts of Opuntia dillenii.
PartChemical CompositionValueRef.
FruitFiber (%)9.49 ± 1.51[16]
Protein (%)0.52 ± 0.12
Fat (%)0.71 ± 0.19
Ash (%)0.437 ± 0.062
Acidity (g/100 g)1.23 ± 0.272
Ascorbic acid (mg/100 g)29.7 ± 2.95
Phenolics (mg/100 g)117 ± 10
Na (mg/kg)153 ± 162
K (mg/kg)908 ± 251
Ca (mg/kg)535 ± 187
Mg (mg/kg)454 ± 102
Fe (mg/kg)1.53 ± 0.31
Cu (mg/kg)0.334 ± 0.054
Zn (mg/kg)1.29 ± 0.49
Mn (mg/kg)5.09 ± 3.80
Ni (mg/kg)0.204 ± 0.082
Cr (mg/kg)0.144 ± 0.036
Whole fruitMajor betalains[17]
Betanin (mg/g)2.75 ± 0.00
Isobetanin (mg/g)1.60 ± 0.08
2′-O-apiosyl-4-O-phyllocactin (mg/g)1.13 ± 0.08
5″-O-E-sinapoyl-2′-apyosil-phyllocactin (mg/g)2.82 ± 0.02
Neobetanin (mg/g)1.67 ± 0.00
Neobetanin isomer III v0.23 ± 0.01
Total betalains (mg/g)10.19 ± 0.13
Phenolic acid
Protocatechuic acid derivative (mg/g)3.26 ± 0.18
Piscidic acid (mg/g)0.93 ± 0.00
Total phenolic acids (mg/g)4.19 ± 0.18
Major flavanoids
Quercetin-3-O-rhamnosyl-rutinoside (QG3) (mg/g)0.03 ± 0.00
Quercetin hexose pentoside (QG2) (mg/g)0.02 ± 0.00
Isorhamnetin glucosyl-rhamnosyl-pentoside (IG2) (mg/g)0.28 ± 0.00
Fruit peel
(Aqueous extract)
Phenolic acids[18]
Quinic acid (μg/g)118.95
Caffeic acid (μg/g)0.041
P-coumaric acid (μg/g)0.046
Trans ferulic acid (μg/g)0.042
Flavonoids
Rutin (μg/g)0.046
Naringin (μg/g)0.007
Luteolin (μg/g)0.014
Fruit peel
(Ethanolic extract)
Phenolic acids[18]
Quinic acid (μg/g)1437.03
Protocatechuic acid (μg/g)1
Caffeic acid (μg/g)0.5
P-coumaric acid (μg/g)1.27
Trans ferulic acid (μg/g)2.4
Cinnamic acid (μg/g)40.19
Flavonoids
Catechin (μg/g)0.36
Hyperoside (μg/g)0.92
Naringin (μg/g)0.34
Quercetrin (μg/g)0.36
Quercetin (μg/g)9.27
Naringenin (μg/g)0.29
Apeginin (μg/g)0.095
Luteolin (μg/g)6.16
Cirsiliol (μg/g)7.18
Acacetin (μg/g)0.19
Fruit peelCompounds[18]
4H-Pyran-4-one, 2,3-dihydro-3,5-dihydroxy-6-methyl- (area %)2.21
2-Furancarboxaldehyde-5-(hydroxymethyl)- (area %)32.91
Phenol, 2-methyl-5-(1-methylethyl)- (area %)1.36
α-D-Glucopyranoside, α-D-glucopyranosyl (area %)2.36
Phen-1,4-diol, 2,3-dimethyl-5-trifluoromethyl- (area %)0.20
n-Hexadecanoic acid (area %)3.52
Ethyl iso-allocholate (area %)1.13
Vitamin E (area %)1.11
β-Sitosterol (area %)9.57
Dry seedsMacroelements[19]
Ca (mg/100 g)408.28
Mg (mg/100 g)240.30
Na (mg/100 g)18.18
K (mg/100 g)201.96
P (mg/100 g)970.15
Trace elements
Fe (mg/100 g)1.98
Cu (mg/100 g)1.18
Zn (mg/100 g)78.26
Mn (mg/100 g)4.35
Cr (mg/100 g)1.58
Ni (mg/100 g)2.76
Matured stemsProximate composition[20]
Ash content (%)3.33 ± 0.18
Moisture content (%)11.20 ± 0.13
Crude protein (%)11.60 ± 0.21
Fat (%)4.42 ± 0.19
Crude fiber (%)4.40 ± 0.06
Carbohydrate (%)64 ± 0.14
Phytochemical analysis
Anthocyanin (μg/mL)0.04 ± 0.02
Oxalate (μg/mL)1.07 ± 0.01
Tanin (μg/mL)13.62 ± 0.05
Rutin (μg/mL)12.41 ± 0.26
Phenol (μg/mL)4.66 ± 0.08
Lunamarine (μg/mL)34.43 ± 0.35
Saponin (μg/mL)118.08 ± 0.57
Sapogenin (μg/mL)11.88 ± 0.09
Ribalinidine (μg/mL)3.75 ± 0.09
Phytate (μg/mL)0.18 ± 0.04
Kaempferol (μg/mL) 7.90 ± 0.06
Catechin (μg/mL)44.90 ± 0.38
Fatty acid composition
Lauric acid (%)7.78 ± 0.06
Myristic acid (%)41.24 ± 0.55
Palmitic acid (%)5.48 ± 0.0
Heptadecanoic acid (%)11.32 ± 0.06
Stearic acid (%)9.25 ± 0.03
Arachidic acid (%)1.21 ± 0.06
Linoleic acid (%)13.95 ± 0.02
Cladode (Aqueous extract)Phenolic acid and flavonoid[21]
Quinic acid (μg/g dw)18.40
Protocatechuic acid (μg/g dw)0.44
Caffeic acid (μg/g dw)0.025
Syringic acid (μg/g dw)0.003
P-coumaric acid (μg/g dw)0.106
Naringin (μg/g dw) 0.01
Trans ferulic acid (μg/g dw)0.16
Cinnamic acid (μg/g dw)0.023
Compounds
AromadendreneNot mentioned
9,9-Dimethoxybicyclo [3.3.1] nona-2,4-dionNot mentioned
6,7-Dimethylthieno [2,3-b] quinolin-3-ylamineNot mentioned
2-Hydroxypentadecyl propanoateNot mentioned
2-Hexyl-1-octanolNot mentioned
1-EicoseneNot mentioned
Cladode (Ethanolic extract)Phenolic acid and flavonoid[21]
Quinic acid (μg/g dw)58.78
Gallic acid (μg/g dw)0.72
Protocatechuic acid (μg/g dw)0.38
Rutin (μg/g dw)7.02
Hyperoside (μg/g dw)0.24
P-coumaric acid (μg/g dw)1.49
Naringin (μg/g dw)0.15
Quercetrin (μg/g dw)0.50
1,3-di-O-cafeoylquinic acid (μg/g dw)0.77
Apegenin-7-O-glucoside (μg/g dw)0.09
Trans ferulic acid (μg/g dw)1.56
Salviolonic acid (μg/g dw)0.28
Quercetin (μg/g dw)11.5
Kampherol (μg/g dw)0.21
Naringenin (μg/g dw)0.16
Apeginin (μg/g dw)0.10
Luteolin (μg/g dw)4.93
Cirsiliol (μg/g dw)3.22
Cirsilineol (μg/g dw)0.15
Acacetin (μg/g dw)0.29
Compounds
n-Hexadecanoic acidNot mentioned
Oleic acidNot mentioned
Octadecanoic acidNot mentioned
Vitamin ANot mentioned
4,6-Cholestadien-3β-olNot mentioned
Stigmastan-3,5-dieneNot mentioned
Retinol, acetateNot mentioned
Vitamin ENot mentioned
β-SitosterolNot mentioned
CladodeNeutral sugars[22]
Rhamnose (%)15.70
Arabinose (%)38.80
Xylose (%)5.10
Galactose (%)33.00
Glucose (%)5.10
Uronic acid (%)2.50
Cladode (Methanolic extract)Pure α-pyrone compounds[23]
Opuntiol (%)1.04
Opuntioside (%)5.34
FlowersPhytochemicals[8]
FlavonoidsNot mentioned
TanninsNot mentioned
AlkaloidsNot mentioned
Anthraquinone glycosidesNot mentioned
SteroidsNot mentioned
Table 2. Antioxidant activities of the different parts and extracts of Opuntia dillenii.
Table 2. Antioxidant activities of the different parts and extracts of Opuntia dillenii.
SampleMethodConcentrationInhibition RatioAscorbic AcidRef.
Seed oilDPPH5 μL/mL21.04 ± 0.07121.02 ± 0.066[19]
10 μL/mL26.19 ± 0.07629.96 ± 0.091
15 μL/mL29.81 ± 0.06640.15 ± 0.060
20 μL/mL42.60 ± 0.06163.85 ± 0.064
IC5027.21 ± 0.07516.56 ± 0.019
Whole fruitORACμmol Trolox eq./g dry weight151.81 ± 1.86-[17]
Fruit juiceDPPH5 μL/mL39.15 ± 0.09563.85 ± 0.064[19]
10 μL/mL56.11 ± 0.08063.85 ± 0.064
15 μL/mL73.54 ± 0.16463.85 ± 0.064
20 μL/mL91.94 ± 0.03163.85 ± 0.064
IC508.18 ± 0.01016.56 ± 0.019
Aqueous cladode extractDPPH IC50 mg/mL0.54 ± 0.0010.015 ± 0.00[21]
NOIC50 mg/mL0.15 ± 0.0050.04 ± 0.001
FRAP700 nm1.39 ± 0.002.41 ± 0.00
TEACmM Trolox/g0.46 ± 0.150.85 ± 0.02
TACmg AAE/g60.44 ± 3.6581.24 ± 0.14
Ethanolic cladode extractDPPH IC50 mg/mL0.60 ± 0.0050.015 ± 0.00[21]
NOIC50 mg/mL0.06 ± 0.0030.04 ± 0.001
FRAP700 nm1.97 ± 0.002.41 ± 0.00
TEACmM Trolox/g0.59 ± 0.750.85 ± 0.02
TACmg AAE/g62.99 ± 1.1881.24 ± 0.14
Seed oilDPPHIC50 mg/mL0.38 ± 0.080.23  ±  0.01 μg/mL[15]
FlowerDPPHIC50 μg/mL58.7 ± 0.001.2 ± 0.00[9]
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Lu, W.-C.; Chiu, C.-S.; Chan, Y.-J.; Mulio, A.T.; Li, P.-H. Recent Research on Different Parts and Extracts of Opuntia dillenii and Its Bioactive Components, Functional Properties, and Applications. Nutrients 2023, 15, 2962. https://doi.org/10.3390/nu15132962

AMA Style

Lu W-C, Chiu C-S, Chan Y-J, Mulio AT, Li P-H. Recent Research on Different Parts and Extracts of Opuntia dillenii and Its Bioactive Components, Functional Properties, and Applications. Nutrients. 2023; 15(13):2962. https://doi.org/10.3390/nu15132962

Chicago/Turabian Style

Lu, Wen-Chien, Chien-Shan Chiu, Yung-Jia Chan, Amanda Tresiliana Mulio, and Po-Hsien Li. 2023. "Recent Research on Different Parts and Extracts of Opuntia dillenii and Its Bioactive Components, Functional Properties, and Applications" Nutrients 15, no. 13: 2962. https://doi.org/10.3390/nu15132962

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