Journal
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
Volume 113, Issue -, Pages 212-225Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpba.2015.03.006
Keywords
Ginkgo; Flavonoid; Quality control; Chemical analysis; Review
Categories
Funding
- National Natural Science Foundation of China [81373966]
- Natural Science Foundation of Jiangsu Province [BK20140673]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Flavonoids are the main active constituents in Ginkgo biloba L., which have been suggested to have broad-spectrum free-radical scavenging activities. This review summarizes the recent advances in the chemical analysis of the flavonoids in G. biloba and its finished products (from 2009 to 2014), including chemical composition, sample preparation, separation, detection and different quality criteria. More than 70 kinds of flavonoids have been identified in this plant. In this review, various analytical approaches as well as their chromatographic conditions have been described, and their advantages/disadvantages are also compared. Quantitative analyses of Ginkgo flavonoids applied by most pharmacopeias start with an acidic hydrolysis followed by determination of the resulting aglycones using HPLC. But increasing direct assay of individual flavonol glycosides found that many adulterated products were still qualified by the present tests. To obtain an authentic and applicable analytical approach for quality evaluation of Ginkgo and its finished products, related suggestions and opinions in the recent publications are mainly discussed in this review. This discussion on chemical analyses of Ginkgo flavonoids will also be found as a significant guide for widely varied natural flavonoids. (C) 2015 Elsevier B.V. All rights reserved.
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