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논문 기본 정보

자료유형
학술저널
저자정보
(조선대학교) (조선대학교) (조선대학교)
저널정보
한국지역사회생활과학회 한국지역사회생활과학회지 한국지역사회생활과학회지 제28권 제2호
발행연도
수록면
203 - 215 (13page)

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초록· 키워드

This study was carried out to compare the major nutrient components and antioxidant activities of Stachys sieboldii Miq leaf and root powders. For proximate compositions, crude protein and crude fat contents of leaf powder were higher than those of root powder, whereas contents of crude ash and carbohydrates were lower in leaf powder. The content of glutamic acid was greater in amino acids of leaf and root powders, and contents of total amino acids and essential amino acids were higher in leaf powder compared with root powder. Root powder contained a higher level of total unsaturated fatty acids than leaf powder. Total contents of organic acids were higher in leaf powder; tartaric acid was the major organic acid in leaf powder, and malic acid was the major organic acid in root powder. The content of vitamin A was higher in leaf powder than in root powder. However, vitamin E content was higher in root powder than in leaf powder. Total mineral contents of leaf powder were higher than those of root powder, and mineral contents of leaf and root powders were in the order of K>Ca>Mg. Extract yields of leaf and root powders were 27.21% and 58.51%, respectively. Total polyphenols and total flavonoids of leaf extract were 236.35 mg/g and 1.90 mg/g, respectively, which were higher than those of root extract. The IC<SUB>50</SUB> values of leaf and root ethanol extracts based on DPPH hydroxyl scavenging were 0.69 mg/mL and 5934.31 mg/mL, respectively, and antioxidative activities of ethanol extracts from all Stachys sieboldii Miq parts dose-dependently increased. These results suggest that Stachys sieboldii Miq can be recommended as an edible functional food material.
#Stachys sieboldii Miq #nutritional component #antioxidant material #DPPH radical activity
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목차

  1. ABSTRACT
  2. I. 서론
  3. Ⅱ. 연구방법
  4. Ⅲ. 결과 및 고찰
  5. Ⅳ. 요약 및 결론
  6. References

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UCI(KEPA) : I410-ECN-0101-2018-590-000923608