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KMID : 0665220210340040331
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Korean Journal of Food and Nutrition
2021 Volume.34 No. 4 p.331 ~ p.339
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Antioxidant Activities of Various Black Soybean Tissues (Glycine max L.) Harvested from Different Cultivation Regions
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Kim Hyun-Young
Woo So-Yeun
Yang Ji-Yeong
Song Seung-Yeob
Seo Woo-Duck
Choi Man-Soo
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Abstract
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With the aim of developing region specialized crops, this study was conducted to clarify effects of variant and cultivation region on antioxidative activities in various black soybean (Glycine max L.) seed tissues. Three black soybean varieties (SCEL-1, Wonheug, and Cheongja 3) were each cultivated in 4 different regions (Jeonju, Pyeongchang, Paju, and Cheonan). Harvested seeds were used to assess DPPH and ABTS radical scavenging activity, and total polyphenol, flavonoid and anthocyanin content. SCEL-1 soybean hull contained higher DPPH and ABTS radical scavenging activity (61% and 85% respectively) compared to Wonheug (40% and 50% respectively). SCEL-1 cultivated in Pyeongchang displayed the highest total polyphenol and flavonoid content (1,189 mg GAE/ 100g sample and 951 mg CTE/ 100g sample, respectively). Total anthocyanin content was ranked in the following order: SCEL-1>Wonheug>Cheongja 3. All black soybeans showed much higher antioxidant activity in the soybean hull than in the dehulled soybean. The antioxidant activity of black soybeans cultivated at high latitudes was high. These results suggest that the best black soybean variant for high beneficial biological activities is the SCEL-1 variant. For a complete understanding of the potential of black soybean as functional foods, we plan to further analyze their antioxidant activities in future studies.
Key words: black soybean (Glycine max L.), antioxidant activities, total polyphenol, anthocyanin
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KEYWORD
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black soybean (Glycine max L.), antioxidant activities, total polyphenol, anthocyanin
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