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Comparison of Angelica Species Roots Using Taste Sensor and DNA Sequencing Analysis

미각센서와 DNA 염기서열을 이용한 당귀류 비교

  • Kim, Young Hwa (KM-Based Herbal Drug Research Group, Korea Institute of Oriental Medicine) ;
  • Choi, Goya (Basic Herbal Medicine Research Group, Korea Institute of Oriental Medicine) ;
  • Lee, Hye Won (KM-Based Herbal Drug Research Group, Korea Institute of Oriental Medicine) ;
  • Lee, Gwan Ho (KM-Based Herbal Drug Research Group, Korea Institute of Oriental Medicine) ;
  • Chae, Seong Wook (KM-Based Herbal Drug Research Group, Korea Institute of Oriental Medicine) ;
  • Kim, Yun Hee (KM-Based Herbal Drug Research Group, Korea Institute of Oriental Medicine) ;
  • Lee, Mi Young (KM-Based Herbal Drug Research Group, Korea Institute of Oriental Medicine)
  • 김영화 (한국한의학연구원 한의신약연구그룹) ;
  • 최고야 (한의기초연구그룹) ;
  • 이혜원 (한국한의학연구원 한의신약연구그룹) ;
  • 이관호 (한국한의학연구원 한의신약연구그룹) ;
  • 채성욱 (한국한의학연구원 한의신약연구그룹) ;
  • 김윤희 (한국한의학연구원 한의신약연구그룹) ;
  • 이미영 (한국한의학연구원 한의신약연구그룹)
  • Received : 2012.10.12
  • Accepted : 2012.11.05
  • Published : 2012.11.30

Abstract

Objectives : Angelica Gigantis Radix is prescribed as the root of different Angelica species on the pharmacopoeia in Korea, Japan and China. Chemical components and their biological activities were also different according to their species. A study for the development of simple method to compare Angelica roots was needed. In order to classify them, the methods such as DNA sequencing analysis and taste sensor were applied to three Angelica species like Angelica gigas, Angelica acutiloba and Angelica sinensis. Methods : PCR amplification of intergenic transcribed spacer (ITS) region was performed using ITS1 and ITS4 primer from nine Angelica roots, and then nucleotide sequence was determined. Taste pattern of samples were measured using the taste-sensing system SA402B equipped with a sensing unit, which consists of artificial lipid membrane sensor probes of anionic bitterness, astringency, saltiness, umami, and cationic bitterness (C00, AE1, CT0, AAE, and AN0, respectively). Results : As a result of comparing the similarity of the ITS region sequences, A. sinensis was discriminated from the others (A. gigas and A. acutiloba). Equally this genetic result, A. gigas and A. acutiloba showed similar taste pattern as compared to A. sinensis. Sourness, bitterness, aftertaste of bitterness, astringency, and aftertaste of astringency of A. sinensis were significantly high as compared with A. gigas and A. acutiloba. In contrast, richness was significantly low. Conclusions : These taste pattern can be used as a way of comparison of Angelica species and this technic could be applied to establish a taste pattern marker for standardization of herbs in various purposes.

Keywords

References

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