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채취시기 및 가공방법에 따른 섬애약쑥의 이화학적 특성과 항산화활성
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2015 실적-채취시기및가공방법에따른섬애약쑥의이화학적특성과항산화활성.pdf (531.9Kb) (30)

초록

Sumaeyaksuk (Artemisia Argyi H.) is one of the original mugwort spices in Namhae-gun, Korea. This study was
conducted to investigate the physicochemical characteristics and biological activities of water extracts from dried
and aging Sumaeyaksuk samples during the May-July harvest season. One (SD) was dried under shade for 12 days,
while the other (AD) was aged for 7 days at 60℃ and then roasted for 220 minutes at over 90℃. Glucose was
solely detected as a free sugar, and its SD and AD content were 0.42±0.02~0.43±0.01 g/100 g, and 0.41±0.02~0.47±0.04
g/100 g, respectively. The total phenolic contents of SD were 1.85±0.09~3.45±0.14 g/100 g, which were higher
than those of AD (1.29±0.08~2.90±0.08 g/100 g). The antioxidant activities of the water extract powder from each
Sumaeyaksuk were assessed by different in vitro methods, such as the DPPH and ABTS radical scavenging activity,
FRAP, and decoloration prevention activity in β-carotene linoleic system. The DPPH and ABTS radical scavenging
activity of AD extract were significantly higher than those of the SD extract (p<0.05). Moreover, at the concentrations
of 31.25, 62.5, 125, 250, 500 μg/mL, the FRAP of the SD-May extract showed 1.67±0.58~489.90±7.59 μM, while
the AD-July extract showed 9.70±1.07~590.40±7.45 μM. The β-carotene decoloration prevention activity of the
SD-May and AD-July extracts were 25.53±2.85~81.43±2.56%, 35.98±2.22~79.00±1.42%, respectively. Based on
these results, the extracts of SD-May and AD-July were promising as a functional food source due to their high
antioxidant activites.

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