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Zang Z, Gong X, Cao L, Ni H, Chang H. Resistant starch from yam: Preparation, nutrition, properties and applications in the food sector. Int J Biol Macromol 2024; 273:133087. [PMID: 38871109 DOI: 10.1016/j.ijbiomac.2024.133087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 06/06/2024] [Accepted: 06/09/2024] [Indexed: 06/15/2024]
Abstract
Yam is a significant staple food and starch source, particularly in tropical and subtropical regions, holding the fourth position among the world's top ten tuber crops. Yam tubers are rich in essential nutrients and a diverse range of beneficial plant compounds, which contribute to their multifaceted beneficial functions. Furthermore, the abundant starch and resistant starch (RS) content in yam can fulfil the market demand for RS. The inherent and modified properties of yam starch and RS make them versatile ingredients for a wide range of food products, with the potential to become one of the most cost-effective raw materials in the food industry. In recent years, research on yam RS has experienced progressive expansion. This article provides a comprehensive summary of the latest research findings on yam starch and its RS, elucidating the feasibility of commercial RS production and the technology's impact on the physical and chemical properties of starch. Yam has emerged as a promising reservoir of tuber starch for sustainable RS production, with thermal, chemical, enzymatic and combination treatments proving to be effective manufacturing procedures for RS. The adaptability of yam RS allows for a wide range of food applications.
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Affiliation(s)
- Ziyan Zang
- College of Food Science, Southwest University, Chongqing 400715, People's Republic of China.
| | - Xiaoxiao Gong
- College of Food Science, Southwest University, Chongqing 400715, People's Republic of China.
| | - Linhai Cao
- College of Food Science, Southwest University, Chongqing 400715, People's Republic of China.
| | - Hongxia Ni
- College of Food Science, Southwest University, Chongqing 400715, People's Republic of China.
| | - Hui Chang
- College of Food Science, Southwest University, Chongqing 400715, People's Republic of China.
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2
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An L, Yuan Y, Chen H, Li M, Ma J, Zhou J, Zheng L, Ma H, Chen Z, Hao C, Wu X. Comprehensive widely targeted metabolomics to decipher the molecular mechanisms of Dioscorea opposita thunb. cv. Tiegun quality formation during harvest. Food Chem X 2024; 21:101159. [PMID: 38328697 PMCID: PMC10847880 DOI: 10.1016/j.fochx.2024.101159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/19/2024] [Accepted: 01/21/2024] [Indexed: 02/09/2024] Open
Abstract
Dioscorea opposita Thumb. cv. Tiegun is commonly consumed as both food and traditional Chinese medicine, which has a history of more than two thousand years. Harvest time directly affects its quality, but few studies have focused on metabolic changes during the harvesting process. Here, a comprehensive metabolomics approach was performed to determine the metabolic profiles during six harvest stages. Thirty eight metabolites with significant differences were determined as crucial participants. Related metabolic pathways including phenylalanine, tyrosine and tryptophan biosynthesis, stilbenoid, diarylheptanoid and gingerol biosynthesis, phenylpropanoid biosynthesis, flavonoid biosynthesis and tryptophan metabolism were the most active pathways during harvest. The results revealed that temperature has a significant impact on quality formation, which suggested that Dioscorea opposita thumb. cv. Tiegun harvested after frost had higher potential value of traditional Chinese medicine. This finding not only offered valuable guidance for yam production, but also provided essential information for assessing its quality.
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Affiliation(s)
- Li An
- Institute of Quality and Safety for Agro-products, Henan Academy of Agricultural Sciences, Key Laboratory of Grain Quality and Safety and Testing Henan Province, Zhengzhou 450002, China
| | - Yongliang Yuan
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - He Chen
- Institute of Quality and Safety for Agro-products, Henan Academy of Agricultural Sciences, Key Laboratory of Grain Quality and Safety and Testing Henan Province, Zhengzhou 450002, China
| | - Meng Li
- Institute of Quality and Safety for Agro-products, Henan Academy of Agricultural Sciences, Key Laboratory of Grain Quality and Safety and Testing Henan Province, Zhengzhou 450002, China
| | - Jingwei Ma
- Institute of Quality and Safety for Agro-products, Henan Academy of Agricultural Sciences, Key Laboratory of Grain Quality and Safety and Testing Henan Province, Zhengzhou 450002, China
| | - Juan Zhou
- Institute of Quality and Safety for Agro-products, Henan Academy of Agricultural Sciences, Key Laboratory of Grain Quality and Safety and Testing Henan Province, Zhengzhou 450002, China
| | - Lufei Zheng
- Institute of Quality Standards and Testing Technology for Agro-products of CAAS, Beijing 100081, China
| | - Huan Ma
- Institute of Quality and Safety for Agro-products, Henan Academy of Agricultural Sciences, Key Laboratory of Grain Quality and Safety and Testing Henan Province, Zhengzhou 450002, China
| | - Zenglong Chen
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Chenyu Hao
- School of Public Health, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xujin Wu
- Institute of Quality and Safety for Agro-products, Henan Academy of Agricultural Sciences, Key Laboratory of Grain Quality and Safety and Testing Henan Province, Zhengzhou 450002, China
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Liu L, Geng P, Jin X, Wei X, Xue J, Wei X, Zhang L, Liu M, Zhang L, Zong W, Mao L. Wounding induces suberin deposition, relevant gene expressions and changes of endogenous phytohormones in Chinese yam ( Dioscorea opposita) tubers. FUNCTIONAL PLANT BIOLOGY : FPB 2023; 50:691-700. [PMID: 37437564 DOI: 10.1071/fp22280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 06/19/2023] [Indexed: 07/14/2023]
Abstract
Wounds on Chinese yam (Dioscorea opposita ) tubers can ocurr during harvest and handling, and rapid suberisation of the wound is required to prevent pathogenic infection and desiccation. However, little is known about the causal relationship among suberin deposition, relevant gene expressions and endogenous phytohormones levels in response to wounding. In this study, the effect of wounding on phytohormones levels and the expression profiles of specific genes involved in wound-induced suberisation were determined. Wounding rapidly increased the expression levels of genes, including PAL , C4H , 4CL , POD , KCSs , FARs , CYP86A1 , CYP86B1 , GPATs , ABCGs and GELPs , which likely involved in the biosynthesis, transport and polymerisation of suberin monomers, ultimately leading to suberin deposition. Wounding induced phenolics biosynthesis and being polymerised into suberin poly(phenolics) (SPP) in advance of suberin poly(aliphatics) (SPA) accumulation. Specifically, rapid expression of genes (e.g. PAL , C4H , 4CL , POD ) associated with the biosynthesis and polymerisation of phenolics, in consistent with SPP accumulation 3days after wounding, followed by the massive accumulation of SPA and relevant gene expressions (e.g. KCSs , FARs , CYP86A1 /B1 , GPATs , ABCGs , GELPs ). Additionally, wound-induced abscisic acid (ABA) and jasmonic acid (JA) consistently correlated with suberin deposition and relevant gene expressions indicating that they might play a central role in regulating wound suberisation in yam tubers.
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Affiliation(s)
- Linyao Liu
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China
| | - Ping Geng
- College of Energy and Power Engineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China
| | - Xueyuan Jin
- College of Clinical Medicine, Hainan Vocational University of Science and Technology, Haikou, Hainan 571126, China
| | - Xiaopeng Wei
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China
| | - Jing Xue
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China
| | - Xiaobo Wei
- School of Food and Wine, Ningxia University, Ningxia Key Laboratory for Food Microbial-Applications Technology and Safety Control, Yinchuan, 750021, China
| | - Lihua Zhang
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China
| | - Mengpei Liu
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China
| | - Liang Zhang
- Wencheng Institution of Modern Agriculture and Healthcare Industry, Wenzhou 325300, China
| | - Wei Zong
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan 450002, China
| | - Linchun Mao
- College of Biosystems Engineering and Food Science, Zhejiang Key Laboratory of Agro-Food Processing, Zhejiang R&D Center of Food Technology and Equipment, Fuli Institute of Food Science, Zhejiang University, Hangzhou 310058, China
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Hu Z, Luo Z, Wang Y, Zhou Q, Liu S, Wang Q. Texture Feature Extraction from 1H NMR Spectra for the Geographical Origin Traceability of Chinese Yam. Foods 2023; 12:2476. [PMID: 37444214 DOI: 10.3390/foods12132476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/20/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Adulteration is widespread in the herbal and food industry and seriously restricts traditional Chinese medicine development. Accurate identification of geo-authentic herbs ensures drug safety and effectiveness. In this study, 1H NMR combined intelligent "rotation-invariant uniform local binary pattern" identification was implemented for the geographical origin confirmation of geo-authentic Chinese yam (grown in Jiaozuo, Henan province) from Chinese yams grown in other locations. Our results showed that the texture feature of 1H NMR image extracted with rotation-invariant uniform local binary pattern for identification is far superior compared to the original NMR data. Furthermore, data preprocessing is necessary. Moreover, the model combining a feature extraction algorithm and support vector machine (SVM) classifier demonstrated good robustness. This approach is advantageous, as it is accurate, rapid, simple, and inexpensive. It is also suitable for the geographical origin traceability of other geographical indication agricultural products.
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Affiliation(s)
- Zhongyi Hu
- College of Computer Science and Artifical Intelligence, Wenzhou University, Wenzhou 325035, China
- Intelligent Information Systems Institute, Wenzhou University, Wenzhou 325035, China
| | - Zhenzhen Luo
- Zhenhai District Finance Bureau, Ningbo 315202, China
| | - Yanli Wang
- National Health Commission Key Laboratory of Birth Defect Prevention, Henan Institute of Reproductive Health Science and Technology, Zhengzhou 450002, China
| | - Qiuju Zhou
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Shuangyan Liu
- High & New Technology Research Center, Henan Academy of Sciences, Zhengzhou 450002, China
| | - Qiang Wang
- High & New Technology Research Center, Henan Academy of Sciences, Zhengzhou 450002, China
- School of Medicine, Huanghe Science and Technology College, Zhengzhou 450063, China
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5
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Yang L, Zhai Y, Zhang Z, Liu Z, Hou B, Zhang B, Wang Z. Widely Targeted Metabolomics Reveals the Effects of Soil on the Metabolites in Dioscorea opposita Thunb. Molecules 2023; 28:4925. [PMID: 37446587 DOI: 10.3390/molecules28134925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 07/15/2023] Open
Abstract
Chinese yam (Dioscorea opposita Thunb. cv. Tiegun), a type of homologous medicinal plant, mainly grows in sandy soil (SCY) and loessial soil (LCY). However, the effects of the soil on the metabolites in SCY and LCY remain unclear. Herein, this study aims to comprehensively elucidate the metabolites in SCY and LCY. A UPLC-MS/MS-based, widely targeted metabolomics approach was adapted to compare the chemical composition of SCY and LCY. A total of 988 metabolites were detected, including 443 primary metabolites, 510 secondary metabolites, and 35 other compounds. Notably, 177 differential metabolites (classified into 12 categories) were identified between SCY and LCY; among them, 85.9% (152 differential metabolites) were upregulated in LCY. LCY significantly increased the contents of primary metabolites such as 38 lipids and 6 nucleotides and derivatives, as well as some secondary metabolites such as 36 flavonoids, 28 phenolic acids, 13 alkaloids, and 6 tannins. The results indicate that loessial soil can improve the nutritional and medicinal value of D. opposita.
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Affiliation(s)
- Lanping Yang
- College of Medicine, Henan Polytechnic University, Jiaozuo 454000, China
| | - Yangyang Zhai
- College of Medicine, Henan Polytechnic University, Jiaozuo 454000, China
| | - Zhenzhen Zhang
- College of Medicine, Henan Polytechnic University, Jiaozuo 454000, China
| | - Zhenzhen Liu
- College of Medicine, Henan Polytechnic University, Jiaozuo 454000, China
| | - Baohua Hou
- College of Medicine, Henan Polytechnic University, Jiaozuo 454000, China
| | - Baobao Zhang
- College of Medicine, Henan Polytechnic University, Jiaozuo 454000, China
| | - Zhenhui Wang
- College of Medicine, Henan Polytechnic University, Jiaozuo 454000, China
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6
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Chan YM, Lu BW, Zhang WH, Chan KC, Fang J, Luo HY, Du J, Zhao ZZ, Chen HB, Dong C, Xu J. Impact of Sulfur Fumigation on the Chemistry of Dioscoreae Rhizoma (Chinese Yam). ACS OMEGA 2023; 8:21293-21304. [PMID: 37332814 PMCID: PMC10269262 DOI: 10.1021/acsomega.3c02729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 05/19/2023] [Indexed: 06/20/2023]
Abstract
Dioscoreae Rhizoma (Chinese yam; derived from the rhizome of Dioscorea opposita Thunb.) (DR), commonly consumed as a food or supplement, is often sulfur-fumigated during post-harvest handling, but it remains largely unknown if and how sulfur fumigation impacts the chemistry of DR. In this study, we report the impact of sulfur fumigation on the chemical profile of DR and then the molecular and cellular mechanisms potentially involved in the chemical variations induced by sulfur fumigation. The results show that sulfur fumigation significantly and specifically changed the small metabolites (molecular weight lower than 1000 Da) and polysaccharides of DR at both qualitative and quantitative levels. Multifaceted molecular and cellular mechanisms involving chemical transformations (e.g., acidic hydrolysis, sulfonation, and esterification) and histological damage were found to be responsible for the chemical variations in sulfur-fumigated DR (S-DR). The research outcomes provide a chemical basis for further comprehensive and in-depth safety and functional evaluations of sulfur-fumigated DR.
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Affiliation(s)
- Yui-Man Chan
- School
of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China
| | - Bo-Wen Lu
- Tianjin
Key Laboratory on Technologies Enabling Development of Clinical Therapeutics
and Diagnosis, School of Pharmacy, Tianjin
Medical University, Tianjin 300070, China
- Department
of Pharmacognosy, College of Pharmacy, Jiamusi
University, Jiamusi 154007, China
| | - Wei-Hao Zhang
- School
of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China
| | - Kam-Chun Chan
- School
of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China
| | - Jing Fang
- School
of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China
| | - Han-Yan Luo
- School
of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China
| | - Juan Du
- Department
of Pharmacognosy, College of Pharmacy, Jiamusi
University, Jiamusi 154007, China
| | - Zhong-Zhen Zhao
- Institute
of Ben Cao Gang Mu, Beijing University of
Chinese Medicine, Beijing 100029, China
| | - Hu-Biao Chen
- School
of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China
| | - Caixia Dong
- Tianjin
Key Laboratory on Technologies Enabling Development of Clinical Therapeutics
and Diagnosis, School of Pharmacy, Tianjin
Medical University, Tianjin 300070, China
| | - Jun Xu
- School
of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China
- Department
of Metabolomics, Jiangsu Province Academy
of Traditional Chinese Medicine and Jiangsu Branch of China Academy
of Chinese Medical Sciences, Nanjing 210028, China
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A 1H NMR-based metabolomics approach for the identification of differential metabolites between Chinese yam tubers and yam bulbils. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2022.105097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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A Method for Improving Microbial Conversion of Diosgenin and Separation and Identification of the Product. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9010070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Diosgenin, a hydrolysis product from Dioscorea plants, can be used as a precursor of steroid drugs (e.g., progesterone, testosterone, and glucocorticoid). However, traditional acid hydrolysis production wastes water and causes severe environmental pollution. The extraction of diosgenin through microbial transformation is the most green and environmentally friendly method at present. In order to improve the efficiency of the extraction of diosgenin through microbial transformation, we proposed a new method of strain mutagenesis. After mutagenesis, the response surface methodology was used to optimize the solid-state fermentation medium, thereby improving the diosgenin yield. We found that the optimal formulation was 5.5% sucrose, 0.6% NH4H2PO4, and 26.6% wheat bran. The final extraction rate of diosgenin reached 0.439% (the value of diosgenin per g. of starting plant dry material). Compared with 0.338% before optimization, it had increased 1.29 times. Furthermore, two other compounds were isolated from the fermentation products. These were identified as diosgenone (C27H41O3) and yuccagenone (C27H42O3). Traditional diosgenone is obtained through the oxidation of diosgenin with oxalic acid, but the method in this study is directly obtained from Dioscorea rhizome powder. The price of Dioscorea rhizome powder is much lower than diosgenin, thus greatly reducing the cost of obtaining diosgenone. This method provides a basis for subsequent research on other pharmacological compounds.
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Health Beneficial Phytochemicals in Dioscorea caucasica Lipsky Leaves and Tubers and Their Inhibitory Effects on Physiologically Important Enzymes. PLANTS 2022; 11:plants11101341. [PMID: 35631766 PMCID: PMC9147247 DOI: 10.3390/plants11101341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/29/2022] [Accepted: 05/10/2022] [Indexed: 11/17/2022]
Abstract
Dioscorea caucasica Lipsky is a tertiary relict endemic plant naturally growing in the western part of the trans-Caucasus regions; it has adapted and successfully grows in the temperate region of the Baltic countries. Information about its phytochemical composition and bioactivities is rather scarce. This study reports the results of the identification of 41 compounds in D. caucasica leaf and tuber hydroethanolic extracts using UPLC-QTOF/MS. Organic acids were found in both extracts; hydroxycinnamates and flavonoids were the main phytochemicals in the leaves, while steroidal glycosides, fatty acids (mainly hydroxylated) and carbohydrates were found in the tubers. Leaf extracts inhibited enzymes in a dose-dependent manner and were remarkably stronger inhibitors of physiologically important enzymes, namely α-amylase (48.6% at 480 µg/mL), α-glucosidase (IC50 = 41.99 and 47.95 µg/mL with and without 0.1 M Na2CO3), acetylcholinesterase (45.85% at 100 µg/mL) and angiotensin-converting enzyme (IC50 = 829.7 µg/mL), most likely due to the presence of some quantified polyphenolic antioxidants. The mode of inhibition of α-glucosidase and acetylcholinesterase was assessed via kinetic studies based on Lineweaver–Burk inhibition plots. Leaf and tuber extracts acted as mixed-type and competitive inhibitors of α-glucosidase, respectively; the leaf extract demonstrated an uncompetitive inhibition mode of acetylcholinesterase. It is expected that this new knowledge of D. caucasica will serve for its valorization in developing new health beneficial ingredients for functional foods and nutraceuticals.
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A Concise Review on Taro Mucilage: Extraction Techniques, Chemical Composition, Characterization, Applications, and Health Attributes. Polymers (Basel) 2022; 14:polym14061163. [PMID: 35335495 PMCID: PMC8949670 DOI: 10.3390/polym14061163] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 12/12/2022] Open
Abstract
Taro (Colocasia esculenta) is an important source of carbohydrates as an energy source and is used as a staple food throughout the world. It is rich in mucilage and starch granules, making it a highly digestible ingredient. Mucilage can act as a matrix and a thickening, binding, emulsifying, or foaming agent in food, pharmaceutical, and several other fields of research. Moreover, mucilage can be extracted from several living organisms and has excellent functional properties, such as water-holding, oil-holding, and swelling capacities. Therefore, these remarkable functional properties make mucilage a promising ingredient with possible industrial applications. Furthermore, several extraction techniques, including enzyme-assisted, ultrasonication, microwave-assisted, aquatic, and solvent extraction methods, are used to obtain quantitative amounts of taro mucilage. Coldwater extraction with ethanol precipitation can be considered an effective and cost-effective technique to obtain high-quality mucilage with suitable industrial applications, whereas the ultrasonication method is more expensive but results in a higher amount of mucilage than other emerging techniques. Mucilage can also be used as a fat replacer or reducer, dye remover, coating agent, and antioxidating agent. Therefore, in this review, we detail the key properties related to the extraction techniques, chemical composition, and characterization of taro mucilage, along with its suitable applications and health benefits.
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