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Development of Optimal Cultivation Conditions and Analysis of Antioxidant Activities of Arctium lappa Sprout Vegetables  

Lee, Moo-Yeul (Dept. of Horticultural Science, Chungbuk Nat'l Univ.)
Shin, So-Lim (Dept. of Horticultural Science, Chungbuk Nat'l Univ.)
Park, Seon-Hee (Dept. of Horticultural Science, Chungbuk Nat'l Univ.)
Kim, Na-Rae (Dept. of Horticultural Science, Chungbuk Nat'l Univ.)
Chang, Young-Deug (Dept. of Horticultural Science, Chungbuk Nat'l Univ.)
Lee, Cheol-Hee (Dept. of Horticultural Science, Chungbuk Nat'l Univ.)
Publication Information
Korean Journal of Plant Resources / v.22, no.4, 2009 , pp. 304-311 More about this Journal
Abstract
This study was conducted to develop functional sprout vegetables with antioxidant effects using seeds of Arctium lappa. The seeds germinated vigorously under light at $25^{\circ}C$, reaching germination rate of 82% within 4 days. Germinated seeds were placed under darkness at various temperatures to force growth in length, and it was demonatrated that $20^{\circ}C$ was optimum temperature. Greening treatment reduced growth in length, but promoted growth of cotyledons. Harvested A. lappa sprout vegetables maintained freshness longer at $10^{\circ}C$, rather than $4^{\circ}C$. Ventilation holes in storage containers had no effects on storage periods. Antioxidant activity of vegetable that received greening treatment for 1-3 days was investigated, and it was shown that free radical scavenging effects and ferrous ion chelating effects was higher than those of commercially available brocoli, cauliflower, pea and bean sprout. Contents of total polyphenol and flavonoid were also higher, especially by 3 day greening. The longer the treatment, the more the inhibition on peroxidation of linoleic acid. Sprout vegetable of A. lappa had higher antioxidant activity compared with adult plant. In conclusion, sprout vegetable of A. lappa has great potentiality for use as one of sprout vegetables.
Keywords
Anti-lipid peroxidase; Ferrous ion chelating; Germination; Phenolic compounds; Radical scavenging;
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Times Cited By KSCI : 2  (Citation Analysis)
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