목일균 엄병헌 2024-01-20T11:30:44Z 2024-01-20T11:30:44Z 2022-01-10 2013-10 1229-229X https://pubs.kist.re.kr/handle/201004/127565 충북대학교 과학교육연구소 Development of simultaneous quantification methods of L-ascorbic acid, epigallocatechin gallate and its degradation products in storage duration by NMR spectroscopy 1H NMR spectroscopy를 이용한 수용액 상의 vitamin C와 EGCG의 보존성 분석 Article 3 과학교육연구논총, v.29, no.1, pp.11 - 23 과학교육연구논총 29 1 11 23 qNMR quantitative NMR L-ascorbic acid EGCG Caffeine Water-suppression technique Stability