Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Extraction Condition of Beverage Base for the Processing of Hydrangea serrata Seringe

수국차(Hydrangea serrata Seringe)의 액상 가공을 위한 추출조건 설정

  • Published : 2003.10.01
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Abstract

Water extraction of Suguk (Hydrangea serrata Seringe) was conducted for optimum condition of beverage processing on the boil or dip in water. Extraction samples for sensory evaluation (color, flavor, sweetness, bitterness, astringency) of the plant were boiled in water ranging 0.1%∼0.4% (w/v) or dipped in water ranging 0.2%∼1.0% (w/v) during 2 min. Samples boiled in water were evaluated low sensory quality with strong bitter and astringent taste. Samples dipped in water showed higher value than that boiled in water on the sensory evaluation. Sample 0.5% (w/v) dipped in water at 10$0^{\circ}C$ during 2 min. was decided as an optimum condition for beverage processing of the plant.

수국차를 액상가공의 원료로 개발하기 위한 기초로서 온도, 농도 등 적정 추출조건을 설정할 목적으로 열수가열과 침출로 나누어 조사하였다. 열수가열은 10$0^{\circ}C$ 열수로 0.1%∼0.4%(w/v) 농도에서 2분간 가열하였으며, 침출은 온도 4$0^{\circ}C$∼10$0^{\circ}C$ 경우와 농도 0.2%∼ 1.0%(w/v)로 나누어 각각 2분간 침출하였다. 시료는 단맛을 중심으로 쓴맛, 떫은맛, 색, 향 등을 관능검사하고 통계처리로 최적 조건을 설정하였다. 수국차를 가열한 경우 쓰고 떫은맛이 강하였으며 기호도가 최대 4점 미만으로서 침출의 경우와 비교하여 낮은값을 나타내었다. 수국차의 최적 추출조건은 10$0^{\circ}C$에서 2분간 침출한 경우로서 0.5%(w/v) 농도에서 종합적으로 가장 높은 기호도를 나타내었다.

Keywords

References

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