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  • Title: Phytochemicals and antioxidant capacities of Mao-Luang (Antidesma bunius L.) cultivars from Northeastern Thailand.
    Author: Jorjong S, Butkhup L, Samappito S.
    Journal: Food Chem; 2015 Aug 15; 181():248-55. PubMed ID: 25794747.
    Abstract:
    Phenolic compounds extracted from fourteen Mao-Luang (Antidesma bunius) cultivars grown in Northeastern Thailand were quantified using HPLC analysis and the antioxidant capacity of the extracts was determined by ABTS(+), DPPH radical, and FRAP assays. This study showed that there were differences (p<0.05) in phenolic compounds and antioxidant activities among Mao-Luang cultivars. Gallic acid, (-)-epicatechin, (+)-catechin, and cyanidin-3-O-glucoside were the major polyphenolic components in all Mao-Luang cultivars. The highest contents were found in 'Kumlai' with values of 281.30, 949.73, 127.60 and 54.67 mg/100g DW, respectively. 'Kumlai' also exhibited the highest antioxidant activity with the values of 103.04 mmol VCEAC/gDW (DPPH assay), 35.35 mmol Fe(II)/gDW (FRAP assay), and 46.37 mmol TE/gDW (ABTS(+) assay). Correlation analyses revealed that gallic acid, ferulic acid and some anthocyanins, mainly cyanidin-3-O-glucoside, were responsible for the antioxidant capacity of Mao-Luang fruits.
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