Acta Agriculturae Zhejiangensis ›› 2024, Vol. 36 ›› Issue (4): 920-931.DOI: 10.3969/j.issn.1004-1524.20230494

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Research and application progress on efficacy of active substances in Dioscorea opposite Thunb.

ZHAO Xiaoliang1(), LONG Zeyu1,2, LU Yun1,2, JIN Weiwei2,3,*()   

  1. 1. School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China
    2. Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, Zhejiang, China
    3. Wenzhou Specialty Food Resource Engineering Technology Research Center, Wenzhou 325006, Zhejiang, China
  • Received:2023-04-12 Online:2024-04-25 Published:2024-04-29
  • Contact: JIN Weiwei

Abstract:

Yam (Dioscorea opposita Thunb.) is a traditional homologous crop of medicine and food in China, which contains many kinds of active substance such as polysaccharides and saponins. These substances have aroused widely interest of researchers due to their immune regulation, anti-tumor and anti-oxidation effects. Polysaccharides in yam have a wide range of active ingredients, but the structure is susceptible to the extraction method. Allantoin has been used clinically for the treatment of duodenal ulcers and has good developmental value, but the extraction method is inefficient. In this paper, polysaccharide, saponin, starch and allantoin from yam were selected as study objects. Their content, development prospect and importance of exerting efficacy, and extraction methods and efficacy were summarized. Meanwhile, medicine and food application of yam was expounded, which provided ideas and reference for efficient extraction and practical transformation and development of yam in the future.

Key words: yam, active substance, efficacy, medicine and food applications

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