재배지역에 따른 검정콩 항산화 성분의 함량변이 = Variation in Antioxidant Components of Black Soybean as Affected by Variety and Cultivation Region

다국어 초록 (Multilingual Abstract)

Aiming at development of region specialized
crop, this study was conducted to clarify variety and cultivation
region dependent on antioxidative compounds in black
soybean seeds. For this purpose two black soybean varieties
(Ilpumgeomjeongkong and Cheongjakong) were cultivated
in 3 different regions (Hwaseong in Gyeonggido, Naju in
Jeollanamdo and Jinju in Gyeongsangnamdo) in 2004 and
2005, and harvested seeds were used for isoflavone, anthocyanin
and tocopherol contents along with electron donating
ability-based antioxidative activities measurements. 100 grain
weight between two varieties were not significantly different,
but Hwaseong district showed higher 100 grain weight
compared to Jinju and Naju. Ilpumgeomjeongkong was higher
total isoflavone content (1,064.9 μg/g) compared to Cheongjakong
(801.3 μg/g) in 2004, whereas Cheongjakong showed
higher in 2005 compared to Ilpumgeomjeongkong. The
highest isoflavone content was obtained in Hwaseong district
in 2004, whereas it is the reverse in 2005 that Jinju district
showed the highest isoflavone content. In total anthocyanin
content, Ilpumgeomjeongkong (7.22 mg/g) was higher than
that of Cheongjakong (6.83 mg/g), and Jinju district showed
the highest total anthocyanin content (9.16 mg/g) compared
to Naju and Hwaseong cultivating districts in their three
cultivating districts. Total tocopherol content showed no
significant difference between two varieties, but Hwaseong
(217.2 μg/g) and Jinju (216.3 μg/g) districts showed higher
content compared to Naju (189.7 μg/g) among three cultivating
districts. In tocopherol content ratio, γ-tocopherol was
the highest from 56.2% to 59.9%. In electron donating ability
(EDA) between two cultivars, Ilpumgeomjeongkong was
significantly higher than Cheongjakong, and Naju was the
highest of 55.6% among three cultivating districts.

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