Abstract
Polyphenolic compounds of fruits of various plant species play an important role in physiological functions related to human health. Polyphenols have important biological activities like antioxidant activity which helps in normal functioning of human body. The objective of this study was to investigate the profiles of polyphenolic compounds in different edible Annona spp. fruits. Total of eighteen identified individual phenolic compounds were found, among which p-coumaric acid (321.53-90.17µg g-1FW), o-coumaric acid (70.80-19.00µg g-1FW), 2,4-dihydroxybenzoic acid (39.49-10.43µg g-1FW), caffeic acid (35.26-3.43µg g-1FW), gentisic acid (24.69-10.46µg g-1FW), protocatechuic acid (17.04-4.23µg g-1FW), t-cinnamic acid (22.68-3.93µg g-1FW) and ferulic acid (21.78-3.43µg g-1FW) were abundant in annona fruits while benzoic acid (23.28-4.61µg g-1FW), p-hydroxybenzoic acid (1.79-0.31µg g-1FW), salicylic acid (6.00-2.40µg g-1FW), 3-hydroxybenzoic acid (6.05-0.88µg g-1FW), vanillic acid. (19.13-2.16µg g-1FW), gallic acid (15.88-2.74µg g-1FW), ellagic acid (1.12-0.20µg g-1FW), syringic acid (0.78-0.34µg g-1FW) and sinapic acid (2.16-0.79µg g-1FW) were limited. However, chlorogenic acid was not detected. The results obtained in this study will furnish a better knowledge of the polyphenolic composition in annona fruits.
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