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Chlorogenic acid isomer contents in 100 plants commercialized in Brazil

Journal name:Food Research International
Literature No.:
Literature Url: http://www.sciencedirect.com/science/article/pii/S0963996917302697
Date publication:2017.06.017

This study analysed 100 plants employed in Brazil as ingredients to infusions for their caffeic acid, 3-caffeoylquinic acid (3-CQA), 4-caffeoylquinic acid (4-CQA), 5-caffeoylquinic acid (5-CQA), 3,4-dicaffeoylquinic acid (3,4-DQA), 3,5-dicaffeoylquinic acid (3,5-DQA), and 4,5-dicaffeoylquinic acid (4,5-DQA) contents. The samples were collected from public markets and analysed using ultra-high performance liquid chromatography (UPLC). The highest concentrations of chlorogenic acids were found in yerba mate (Ilex paraguariensis), 9,2 g·100 g? 1, white tea (Camellia sinensis), winter's bark (Drimys winteri), green tea (Camellia sinensis), elderflower (Sambucus nigra), and Boehmeria caudata (known as assa-peixe in Brazil), 1,1 g·100 g? 1. The present work showcased the investigation of chlorogenic acids in a wide range of plants not yet studied in this regard and also resulted in a comparative table which explores the content of six isomers in the samples.

... original content of chlorogenic acids. Standards of cafeic acid4-CQA5-CQA3,4-DQA, and 4,5-DQA were purchased from Biopurify (Chengdu, China). No commercial standard was found for 3-CQA. Its identity was confirmed ...