Encapsulation of the phenolic compounds of the blackberry (Rubus fruticosus)

被引：70

作者：

da Rosa, Cleonice Goncalves ^{[1
]}

Borges, Caroline Dellinghausen ^{[2
]}

Zambiazi, Rui Carlos ^{[1
,2
]}

Rutz, Josiane Kuhn ^{[1
]}

da Luz, Suzane Rickes ^{[1
,2
]}

Krumreich, Fernanda Doering ^{[1
]}

Benvenutti, Edilson Valmir ^{[3
]}

Nunes, Michael Ramos ^{[3
,4
]}

机构：

[1] Univ Fed Pelotas, Fac Agron Eliseu Mociel, Postgrad Program Food Sci & Technol, Pelotas, RS, Brazil

[2] Univ Fed Pelotas, Ctr Chem Pharmaceut & Food Sci, Pelotas, RS, Brazil

[3] Univ Fed Rio Grande do Sul, Inst Chem, Porto Alegre, RS, Brazil

[4] Fed Inst Santa Catarina, Lages, SC, Brazil

来源：

LWT-FOOD SCIENCE AND TECHNOLOGY | 2014年 / 58卷 / 02期

关键词：

Phenolic compounds; beta-Cyclodextrin; Xanthan; Chitosan; Hydrogel; BETA-CYCLODEXTRIN; CHITOSAN; MICROENCAPSULATION; MICROSPHERES; ANTIOXIDANTS; XANTHAN; ACID; MICROPARTICLES; COMPLEXATION; STABILITY;

D O I：

10.1016/j.lwt.2014.03.042

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Microencapsulated phenolic extracts of blackberry (PE) were obtained by lyophilization in matrixes of beta-cyclodextrin (beta-CDS), chitosan (C), xanthan (X) and hydrogel (H). The encapsulation was confirmed by Scanning Electron Microscopy (SEM) and Thermogravimetric Analysis (TGA); their antioxidant activity, controlled release of phenolics and efficiency of encapsulation were determined. However, coated chitosan and xanthan only showed the characteristic shape. In fact, encapsulation efficiency depended on the phenolic compound and the encapsulated coating used; gallic acid and epicatechin were predominantly in microcapsules coated with beta-cyclodextrin and xanthan. The highest antioxidant activity in microcapsules coated with beta-cyclodextrin (84.43 +/- 3.5%) and xanthan (90.75 +/- 0.09%) was related to the equitable presence of encapsulated phenolic compounds. The controlled release of phenolic extract capsules was influenced by coating, solvent and pH. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：527 / 533

页数：7

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