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[학술저널]

  • 학술저널

김예진(농촌진흥청) 한신희(농촌진흥청) 홍충의(농촌진흥청) 한종원(농촌진흥청) 이상훈(농촌진흥청) 장재기(농촌진흥청) 마경호(농촌진흥청)

DOI : 10.7783/KJMCS.2019.27.5.330

이 논문을 2019-11-15 에 이용했습니다. 저작권자 요청에 따라 무료로 제공되는 논문입니다. 로그인 후 이용하실 수 있습니다.

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Background: This study was conducted to compare the physicochemical properties of 12 different cultivars of Rehmannia glutinosa, a plant used in Korean traditional herbal medicine.
Method and Results: We investigated the following 12 cultivars of R. glutinosa; Jihwang1, Goryeo, Daegyung, Gogang, Togang, Dagang, Wongang, Yeongang, Hwanggang, Dahwang, Segang and Chunggang. We measured water content, chromaticity, hardness, active components levels, and antioxidant activity. Our results showed that Togang has the lowest water content and the highest yield. The catalpol content was the highest in Togang (40.50 ㎎/g) and the lowest in Chunggang (22.17 ㎎/g). The aucubin content was the highest in Hwanggang (0.28 ㎎/g). Chunggang had the lowest aucubin content, but the highest level of verbascoside. Total flavonoid and total polyphenol were the highest in Daegyung and Chunggang, respectively. There was a strong correlation between the total flavonoid and total polyphenol (r = 0.89) content.
Conclusions: There were significant differences in physicochemical properties among 12 cultivars. These properties will affect suitability for processing and final product quality. We therefore suggest the selection of appropriate cultivars for different uses.

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