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HPLC-UVD method validation for quantitative analysis of camelliaside A in hot-water extract of soybean (Glycine max L.) leaves

콩잎 열수추출물의 지표성분인 camelliaside A의 정량분석을 위한 HPLC-UVD 분석법 밸리데이션

  • Kim, Jeong Ho (Division of Applied Life Science (BK21 plus), IALS, Gyeongsang National University) ;
  • Lee, Seung Hwan (Division of Applied Life Science (BK21 plus), IALS, Gyeongsang National University) ;
  • Moon, Si Won (Division of Applied Life Science (BK21 plus), IALS, Gyeongsang National University) ;
  • Park, Ki Hun (Division of Applied Life Science (BK21 plus), IALS, Gyeongsang National University)
  • Received : 2022.07.28
  • Accepted : 2022.08.30
  • Published : 2022.09.30

Abstract

Soybean (Glycine max L.) leaves have been researched as functional food stuff actively, but there is no validation method to control quality of soybean leaves (SL). In this study, we annotated seven kaempferol derivatives to confirm camelliaside A as index metabolite in SL using UHPLC-ESI-TOF-MS. HPLC-UVD validation method of camelliaside A in hot-water extract of SL was established according to validation guideline of functional foods from the Ministry of Food and Safety of Korea. The HPLC-UVD method was validated with reliable parameters for examining specificity, accuracy, precision, limit of detection and quantification and linearity. The established method gave the suitable ranges to qunatitate camelliaside A from the hot-water extract of soybean leaves.

콩잎의 기능성식품소재연구가 활발히 진행되고 있지만 기능성 식품소재로서 콩잎을 관리할 수 있는 밸리데이션 방법은 제시되지 않고있다. 본 연구에서는 콩잎에서 7개의 kaempferol 유도체를 UHPLC-ESI-Q-TOF-MS로 동정하고 이들 중 camelliaside A를 지표물질로 선정하였다. 콩잎열수추출물에서 camelliaside A를 정량할 수 있는 HPLC-UVD 밸리데이션 방법을 식품의약품안전처의 건강기능성식품에 대한 가이드라인에 따라 구축하였다. 개발된 HPLC-UVD 밸리데이션 방법은 특이성, 정확도, 일내정밀도, 일간정밀도, 검출한계, 정량한계 및 직선성에서 가이드라인을 만족하는 결과값으로 검증되었다. 또한 camelliaside A 분석법을 콩잎열수추출물에 적용하여 적합한 수준의 평가값을 얻었다.

Keywords

Acknowledgement

This research was supported by the Bio and Medical Technology Development Program of the National Research Foundation (NRF) funded by the Ministry of Science and ICT (No. NRF2020M3A9I3038523) and Rural Development Administration (PJ015732), Republic of Korea. The BK21 plus program supported scholarships for all students. The researchers received no external funding

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