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KMID : 1134820100390111627
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Journal of the Korean Society of Food Science and Nutrition
2010 Volume.39 No. 11 p.1627 ~ p.1633
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Analysis of Chemical Composition and Antioxidant Activity of Codonopsis lanceolata Skin
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Kim Na-Young
Chae Hyun-Seok
Lee In-Sook
Kim Dong-Soo
Seo Kang-Tae
Park Sung-Jin
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Abstract
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The purpose of this study is to determine the possibility of Codonopsis lanceolata skin as natural health food source. To accomplish this purpose, the contents of general and antioxidative nutrients of C. lanceolata skin were measured. On a dry weight basis the contents of carbohydrate, crude protein, crude lipid and ash are 24.74, 2.73, 2.96 and 4.84%, and the calories of skin was 266.00 kcal/100 g and total dietary fiber was 64.73%. The contents of essential and non-essential amino acids were 633.40 and 870.72 ㎎/100 g wet weight basis. The K was the largest mineral followed by Ca, Mg, and P, suggesting that C. lanceolata skin is alkali material. The EDA of water extract from C. lanceolata skin was 18.28~79.30%, and the activity was dependent on the sample concentration. Total phenolic and flavonoids contents of water extract from C. lanceolata skin were estimated as 24.65 and 6.19 ㎍/g. The C. lanceolata skin extract showed the highest reducing power (3.5) at the concentration of 25 ㎎/mL. Based on the above results, we deemed that the C. lanceolata skin might have potential antioxidant activities. The general nutrients and antioxidant bioactive materials in C. lanceolata skin were also potential materials for good health food.
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KEYWORD
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Codonopsis lanceolata skin, nutrients, health food, antioxidants
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