한국산 골드키위의 화학성분 및 항산화 활성|RISS 상세보기

국문 초록 (Abstract)

한국산 골드키위를 기능성 식품 재료 및 가공품을 개발하기 위한 기초자료로 활용하기 위하여 화학성분 및 항산화활성을 조사하였다. 골드키위의 pH 4.43${\pm}$0.16, 당도 17.01${\pm}$0.04$^{\circ}Brix$ 및 총산도 0.82${\pm}$0.02%이었으며, L값 49.80${\pm}$0.24, a값 -6.79${\pm}$0.02 및 b값 19.72${\pm}$0.18로 나타났다 일반성분은 수분 78.62${\pm}$2.26%, 조단백 1.34${\pm}$0.25%, 조지방 0.70${\pm}$0.06%, 조섬유 1.99${\pm}$0.13%, 조회분 0.99${\pm}$0.26% 및 가용성 무질소물 16.36${\pm}$1.23%이었다. 무기성분은 Na, Ca 및 K으로 그 함량은 각각 21.50${\pm}$1.58 mg%, 23.84${\pm}$2.10 mg% 및 265.86${\pm}$5.00 mg%였다. 골드키위에 함유되어 있는 유리당으로는 sucrose(1.04${\pm}$0.18%), glucose(2.17${\pm}$0.21%) 및 fructose(1.86${\pm}$0.11%)였으며, 가장 많이 함유되어 있는 아미노산은 glutamic acid(86.51${\pm}$5.58 mg%)였고, 가장 낮은 아미노산으로는 tyrosine(15.00${\pm}$4.91 mg%)이었다. 유기산은 quinic acid(6.65${\pm}$0.21 mg/g), malic acid(1.62${\pm}$0.13 mg/g) 및 citric acid(4.82${\pm}$0.21 mg/g)가 함유되어 있었으며, 비타민 C 함량과 총페놀 함량은 각각 0.27${\pm}$0.06 mg/g 및 0.047${\pm}$0.002 mg/g이었다. 골드키위 물추출물 농도 25 mg/mL일 때 86.87%의 DPPH radical 소거활성을 보였으며, 환원력은 1.96으로 나타났고, linoleic acid를 이용한 지질과산화 억제활성은 농도의존적인 경향을 보였다.

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한국산 골드키위를 기능성 식품 재료 및 가공품을 개발하기 위한 기초자료로 활용하기 위하여 화학성분 및 항산화활성을 조사하였다. 골드키위의 pH 4.43${\pm}$0.16, 당도 17.01${\pm}$0.04$^{\circ}Brix...

다국어 초록 (Multilingual Abstract)

The chemical components and antioxidative activity of Korean gold kiwifruit were investigated. The values of pH, soluble solid and total acidity were 4.43${\pm}$0.16, 17.01${\pm}$0.04$^{\circ}Brix$, and 0.082${\pm}$0.02%, respectively. Hunter L, a, and b values were 49.80${\pm}$0.24, -6.79${\pm}$0.02, and 19.72${\pm}$0.18 value, respectively. Proximate compositions were as follows; moisture 78.62${\pm}$2.26%, crude protein 1.34${\pm}$0.25%, crude lipid 0.70${\pm}$0.06%, crude fiber 1.99${\pm}$0.13%, crude ash 0.99${\pm}$0.26%, and carbohydrate 16.36${\pm}$1.23%, respectively. Mineral elements were K 265.86${\pm}$5.00, P 71.82${\pm}$29.18, and Ca 23.84${\pm}$2.10 mg%, respectively. Free sugar compositions were sucrose (1.04${\pm}$0.18%), glucose (2.17${\pm}$0.21%) and fructose (1.86${\pm}$0.11%). Amino acid contents of Korean gold kiwifruit was very rich in glutamic acid 86.51 ${\pm}$5.58 mg/100 g and deficient in tyrosine 15.00${\pm}$4.91 mg/100 g. Organic acid compositions were quinic acid (6.65${\pm}$0.21 mg/g), malic acid (1.62${\pm}$0.13 mg/g) and citric acid (4.82${\pm}$0.21 mg/g). Contents of ascorbic acid and total phenols were 0.27${\pm}$0.06 mg/g and 0.047${\pm}$0.002 mg/g, respectively. The DPPH radical scavenging activity and reducing power of the water extract from Korean gold kiwifruit was 86.87% and 1.96 at a concentration of 25 mg/mL. The water extract showed considerable antioxidative activity against linoleic acid autoxidation in a dose-dependent manner.

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참고문헌 (Reference)

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