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KMID : 1134820220510121296
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Journal of the Korean Society of Food Science and Nutrition
2022 Volume.51 No. 12 p.1296 ~ p.1303
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Physicochemical Characteristics and Antioxidant Activities of White Ginseng Extract Supplemented with Adenophora triphylla var. japonica Hara Leaf
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Kim Sun-Ick
Jee Moo-Geun
Park Yong-Chan
Jang Won-Suk
Kwon A-Reum
Kil ki-Jung
Lee Ka-Soon
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Abstract
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To increase the consumption of white ginseng (WG), we evaluated the bioactive components and antioxidant activity of the extracts obtained after supplementation with 0, 1.0, 2.5, 5.0, 7.5, and 10.0% Adenophora triphylla var. japonica Hara leaf (ATL). The total polyphenol (TP) and total flavonoid (TF) contents of white ginseng extracted without ATL (WA1) were 0.67±0.11 mg?GAE/mL and 1.16±0.08 mg?QE/100 mL, respectively, and the TP and TF content of the ATL extract were 10.22±0.24 mg?GAE/mL and 145.67±8.17 mg?QE/100 mL, respectively. The 50% inhibition concentration (IC50) of DPPH was determined to be 189.48±1.74 μL/mL in the WA3 extract (2.5% ATL), whereas the IC50 obtained with ABTS was 71.01±2.97 μL/mL in the WA4 extract (5.0% ATL), imparting a synergistic effect more than twice exerted by WA1. The total ginsenoside and β-carotene contents were determined to be in the range 1.00∼1.06 mg/mL and 0.64∼1.26 μg/mL, respectively, in the WA4∼WA6 extracts (supplemented with 5∼10% ATL). Total polyphenol, total flavonoid, total ginsenoside content, and antioxidant activities were found to be highly correlated with WG extract supplemented with 5∼10% ATL. Taken together, our results indicate a potential to develop a beneficial new WG extract supplemented with ATL.
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KEYWORD
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white ginseng extract, Adenophora triphylla var, japonica Hara leaf, physicochemical characteristics, antioxidant
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