Journal of Ginseng Research

The Korean Society of Ginseng (고려인삼학회)
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Characteristics of Acid Pre-treated Red Ginseng and Its Decoction

산처리 홍삼과 추출물의 특성

  • Published : 2009.12.31
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Abstract

This study was conducted to produce a new red ginseng by steaming ginseng using a new pre-treatment method, so as to develop ginseng products with improved flavor and thereby expand ginseng's consumer base. The color parameters (Hunter value), free sugar contents, and ginsenoside contents of the powder from the dried red ginseng, and the sensory test of the semi-dried red ginseng and the decoction from the dried red ginseng, were measured to investigate the effect of acid (ascorbic acid or citric acid) impregnation pre-treatment on red ginseng. The powder from the acid-pretreated red ginseng became lighter and more yellow than the red ginseng that was not pre-treated, but the redness (avalue) of the powder from the acid-pre-treated red ginseng increased. The ginsenoside contents of $Rg_2+Rh_1$ and $Rg_3$ increased with the acid treatment. There was a significant difference in the color and sweetness of the semi-dried acidtreated and non-treated red ginsengs in the sensory test. As the results of the sensory test were expressed in the hedonic scale, however, there were significant differences in the degrees of bitterness, astringency, sourness, odor, and color of the red ginseng decollation. Especially, the acid-treated red ginseng extract tasted less bitter, which shows the potential of new red ginseng products with improved ginseng flavor.

본 연구에서는 새로운 전처리를 통한 홍삼을 제조하여 홍삼의 향취미의 변화를 살펴보았으며 이로써 맛과 향이 개선 된 홍삼제품을 개발하고자 하였다. Acid(ascorbic acid, citric acid) 감압침투 방법으로 산처리 홍삼을 제조하였으며, 반 건조 산처리 홍삼과 반건조 홍삼의 색, 유리당, ginsenoside 함량, 관능검사를 실시하였다. 홍삼분말 색은 산을 처리하면 밝기 (L)와 황색도 (b)도는 감소하며, 적색도 (a)는 증가하는 것으로 나타났다. Fructose, glucose는 산을 처리하지 않은 홍삼이 가장 높았으나 sucrose, maltose는 citric acid 처리한 홍삼이 높게 나타나는 것을 알 수 있었다. Ginsenoside 함량은 산을 처리한 홍삼에서 $Rg_2+Rh_1$, $Rg_3$의 함량이 증가 되는 것을 알 수 있었다. 산을 처리한 반건조 홍삼과 일반 반건조 홍삼 관능검사에서는 색과 단맛에서만 유의적 차이가 나타났다. 그러나 건조 홍삼 추출물을 관능 검사한 결과 쓴맛과 떫은맛, 신맛, 향취, 색의 강도에서는 유의적 차이가 나타났다. 특히 산 처리한 홍삼 추출물은 쓴맛과 떫은맛이 감소되어 산으로 전 처리한 홍삼은 인삼에 대한 거부감을 줄일 수 있는 제품으로 사용 가능성을 보여 주었다.

Keywords

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