The phytochemicals, total phenolics, total flavonoids, total saponins, antioxidant activity, and α-glucosidase inhibitory ability of the peels and seeds of Akebia trifoliata were analysed and compared. The results showed nine key functional compounds belonging to phenols and saponins. The total content of phenolics, flavonoids and saponins were 72.8-122.4 mg/g DW, 50.5-54.5 mg/g DW and 85.2-90.9 mg/g DW, respectively. These contents in seeds were significantly higher than those in peels. In addition, their free radicals scavenging ability and α-glucosidase inhibitory acitivity were investigated: the IC50 values of 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging in peel and seed extracts were 53.56 μg/mL and 47.24 μg/mL, respectively. The IC50 values of α-glucosidase activity inhibition in peel and seed extracts were 14.15 μg/mL and 15.54 μg/mL, respectively. The results of this study provided data support for further research and product development of Akebia trifoliata.
LUO Zonghong
,
CAI Shengbao
,
YI Junjie
. Phytochemical composition, antioxidant activity and α-Glucosidase inhibitory ability of akebia trifoliata[J]. Food and Fermentation Industries, 2020
, 46(1)
: 130
-135
.
DOI: 10.13995/j.cnki.11-1802/ts.021428
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