Migration of α-tocopherol from an active multilayer film into whole milk powder

被引：94

作者：

Granda-Restrepo, Diana M. ^{[1
,2
]}

Soto-Valdez, Herlinda ^{[1
]}

Peralta, Elizabeth ^{[1
]}

Troncoso-Rojas, Rosalba ^{[1
]}

Vallejo-Cordoba, Belinda ^{[1
]}

Gamez-Meza, Nohemi ^{[3
]}

Graciano-Verdugo, Abril Z. ^{[3
]}

机构：

[1] CTAOV, Ctr Invest Alimentac & Desarrollo, AC, Hermosillo 83000, Sonora, Mexico

[2] Univ Antioquia, Medellin 1226, Colombia

[3] Univ Sonora, Hermosillo 83000, Sonora, Mexico

来源：

FOOD RESEARCH INTERNATIONAL | 2009年 / 42卷 / 10期

关键词：

Multilayer active packaging; alpha-Tocopherol; Migration; Diffusion coefficient; Lipid oxidation; Whole milk powder; RELEASE; POLYPROPYLENE; ANTIOXIDANTS; TEMPERATURE; ACID;

D O I：

10.1016/j.foodres.2009.07.007

中图分类号：

TS2 [食品工业];

学科分类号：

100403 [营养与食品卫生学];

摘要：

Antioxidant active packaging is a promising technology for whole milk powder (WMP) protection. In this study, the migration of a-tocopherol from a multilayer active packaging (made of high density polyethylene, ethylene vinyl alcohol and a layer of low density polyethylene containing the antioxidant) to WMP was studied. A model based on the Fick's diffusion equation was used to calculate the diffusion coefficients (D) of alpha-tocopherol as 2.34 x 10(-11), 3.06 x 10(-11), and 3.14 x 10(-11) cm(2) s(-1) at 20, 30 and 40 degrees C, respectively. The D at 20 degrees C was different from those at 30 and 40 degrees C (P < 0.05): but it was similar at 30 and 40 degrees C. This low influence of temperature on the migration of alpha-tocopherol from 20 to 40 degrees C assures the release at real storage and commercialization conditions in regions with warm/hot climate. The antioxidant delivering system delayed the lipid oxidation of WMP and it was more effective at 30 and 40 degrees C since the rate of oxidative reactions was higher at these temperatures than at 20 degrees C. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：1396 / 1402

页数：7

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