Antioxidant and antimicrobial properties of Moltkia petraea (Tratt.) Griseb. flower, leaf and stem infusions

被引：57

作者：

Koncic, M. Zovko ^{[1
]}

Kremer, D. ^{[1
]}

Gruz, J. ^{[2
,3
]}

Strnad, M. ^{[2
,3
]}

Bisevac, G. ^{[1
]}

Kosalec, I. ^{[1
]}

Samec, D. ^{[4
]}

Piljac-Zegara, J. ^{[4
]}

Karlovic, K. ^{[5
]}

机构：

[1] Univ Zagreb, Fac Pharm & Biochem, Zagreb 10000, Croatia

[2] Palacky Univ, Lab Growth Regulators, CZ-78371 Olomouc, Czech Republic

[3] Inst Expt Bot ASCR, CZ-78371 Olomouc, Czech Republic

[4] Rudjer Boskovic Inst, Dept Mol Biol, Zagreb 10000, Croatia

[5] Univ Zagreb, Fac Agr, Zagreb 10000, Croatia

来源：

FOOD AND CHEMICAL TOXICOLOGY | 2010年 / 48卷 / 06期

关键词：

Moltkia petraea; Antioxidant activity; Antimicrobial activity; Total phenols; Phenolic acids; Croatia; DPPH-CENTER-DOT; LIPID-PEROXIDATION; EXTRACTS; PHENOLICS; ACIDS; ANTI;

D O I：

10.1016/j.fct.2010.03.021

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Antioxidant and antimicrobial activities as well as the quantity of phenolic substances (total phenol, flavonoid and phenolic acid contents) were determined in aqueous extracts of leaves, stems and flowers of Moltkia petraea (Tratt.) Griseb. from two mountainous localities (Sveti Jure and Snijeznica) in Croatia. In addition, the profile of phenolic acids was analyzed by UPLC-MS/MS. Antioxidant activities of all extracts in different test systems, namely the DPPH radical scavenging, reducing power assay and chelating activity, increased with extract concentration. Activity of the extracts from Snijeinica in beta-carotene-linoleic acid assay did not differ from the activity of standard, BHA. The leaf extracts from Snijeinica demonstrated superior antioxidant activity in most of the assays, while the stem extract from the same locality was the most effective Fe2+ ion chelator. In general, the extracts from Snijeinica were more effective antioxidants than the corresponding extracts from Sveti Jure. The aqueous extracts of M. petraea did not show antimicrobial activity against bacteria and fungi tested in the diffusion and dilution assays. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1537 / 1542

页数：6

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