Abstract Title:

Phenolic Amides with Immunomodulatory Activity from the Nonpolysaccharide Fraction of Lycium barbarum Fruits.

Abstract Source:

J Agric Food Chem. 2020 Feb 14. Epub 2020 Feb 14. PMID: 32059104

Abstract Author(s):

Pei-Feng Zhu, Yun-Li Zhao, Zi Dai, Xu-Jie Qin, Hai-Lian Yuan, Qiong Jin, Yifen Wang, Ya-Ping Liu, Xiao-Dong Luo

Article Affiliation:

Pei-Feng Zhu


The fruits of Lycium barbarum have a long history as an edible and medicinal food in Asian regions and have multiple consumption methods, the polysaccharides (LBPs) are commonly considered as their major immunological constituents. The current study revealed that the total phenolic amide moieties from L. barbarum fruits showed greater potential immunomodulatory activity in vivo than that of LBPs. Though subsequent investigation on the immunological bioactive phenolic amides, three new phenolic amides, lyciumamides L-N (1-3), as well as twelve analogs, were obtained from the total phenolic amide fraction. Extensive spectroscopic methods were used to elucidate the new structures. Compounds 4-6 and 15 significantly promoted LPS-stimulated B splenocyte, while compounds 4-6 displayed accelerative effects on the proliferation of Con A-stimulated T lymphocytes at a concentration of 20.0μg/mL. These data indicated that extracts from L. barbarum fruits enriched with phenolic amides could be developed as a nutritional dietary supplement for immunocompromised individuals.

Study Type : In Vitro Study

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