Publication Information

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'constituents': [4, 12], 'of': [5, 13, 29], 'flavonoids': [6], 'from': [7, 33, 44], 'Hypericum': [8, 14, 34, 45], 'perforatum': [9, 15, 35, 46], 'L..【Methods】The': [10], 'L.were': [16, 36], 'isolated': [17], 'and': [18, 40], 'purified': [19], 'by': [20], 'chromatography,and': [21], 'their': [22], 'structures': [23], 'were': [24], 'identified': [25, 37], 'on': [26], 'basis': [28], 'spectroscopic': [30], 'evidence.【Results】Five': [31], 'compounds': [32], 'as': [38], 'quercetin,avicularin,quercitrin,isoquercitrin': [39], 'hyperin.【Conclusion】Isoquercitrin': [41], 'is': [42], 'obtained': [43], 'L.for': [47], 'first': [49], 'time.': [50]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2351364969', 'counts_by_year': [], 'updated_date': '2024-12-11T21:31:37.629376', 'created_date': '2016-06-24'}