Bioactive compounds content of Chimarrao infusions related to the moisture of yerba mate (Ilex paraguariensis) leaves

被引：56

作者：

Bastos, Deborah H. M. ^{[1
]}

Fornari, Ana Claudia ^{[1
]}

Queiroz, Yara S. ^{[1
]}

Torres, Elizabeth A. F. S. ^{[1
]}

机构：

[1] Univ Sao Paulo, Fac Saude Publ, Dept Nutr, BR-01246904 Sao Paulo, Brazil

来源：

BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY | 2006年 / 49卷 / 03期

关键词：

Yerba mate (Ilex paraguariensis); processing; bioactive substances;

D O I：

10.1590/S1516-89132006000400007

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The aim of this study was to evaluate the effects of the processing stages of yerba mate (Ilex paraguariensis) on the moisture content of the leaves and the efficiency of the aqueous extraction of some bioactive substances. Samples of yerba mate were analyzed for caffeine, phenolic acids (caffeic acid, 5-caffeoilquinic acid) and flavonoids (quercetin, kaempferol and myricetin) by HPLC equipped with a diode array detector. Processing widely influenced the caffeine and 5-caffeoilquinic acid content of the aqueous extract (p < 0.05), which was related to the moisture content of the leaves. Caffeic acid was present in 45% of the in infusions from dried mate leaves. Quercetin, myricetin and kaempferol were not detected.

引用

页码：399 / 404

页数：6

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