Phenolic Compounds, Antioxidant Capacity, and α-amylase and α-glucosidase Inhibitory Activity of Ethanol Extracts of Perilla Seed Meal

Overview

Journal Food Sci Nutr

Specialty Biotechnology

Date 2023 Aug 14

PMID 37576065

Authors

Ga-Young Choi

Young-Sil Han

Ki-Hyeon Sim

Myung-Hyun Kim

Affiliations

Soon will be listed here.

Abstract

is a medicinal herb that is commonly cultivated in Asian countries. Perilla seed is extensively pressed for cooking oil extraction. However, phenolic chemicals are still abundant in pressed perilla seed meal (PSM), which was previously thought to be useless after oil extraction. In our study, PSM was extracted using five solvents (water and 25%, 50%, 75%, and 100% ethanol) based on different ethanol concentrations, and its antioxidant activity, phenolic compounds, and inhibitory effects against key enzymes related to diabetes mellitus were evaluated. The 75% ethanol extract had higher phenolic (105.58 mg GAE/g DW) and flavonoid (66.52 mg QE/g DW) contents and showed better antioxidant and inhibitory effects against α-glucosidase and α-amylase. Analysis of the phenolic compounds of the five extracts by HPLC indicated the presence of apigenin, rosmarinic acid, benzoic acid, caffeic acid, and vanillic acid. Therefore, because of its high antioxidant activity and inhibitory capacity against enzymes relevant to diabetes, the 75% ethanol extract of perilla seed meal has the most potential to be used as a functional or nutraceutical food in the prevention and treatment of oxidation and diabetes.

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