Active biodegradable packaging for fresh pasta

被引:36
|
作者
de Camargo Andrade-Molina, Talita Pires [1 ]
Shirai, Marianne Ayumi [1 ]
Eiras Grossmann, Maria Victoria [1 ]
Yamashita, Fabio [1 ]
机构
[1] Univ Estadual Londrina, Dept Food Sci & Technol, BR-86051990 Londrina, PR, Brazil
关键词
Starch; PBAT; Shelf life; Potassium sorbate; THERMOPLASTIC STARCH; BARRIER PROPERTIES; FILMS; BLENDS; ACID;
D O I
10.1016/j.lwt.2013.05.011
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The objective of this study was to produce an active biodegradable packaging for fresh pasta. The biodegradable film was produced by blown extrusion using thermoplastic starch, poly(butylene adipate-co-terephthalate) (PBAT) and potassium sorbate as an antimicrobial agent. Fresh pasta sheets were intercalated with biodegradable films (i.e., film/pasta/film/pasta/film), sealed in LDPE bags, and stored at 10 degrees C; the microbiological analyses and the characterisation of the films were performed before and during storage. The migration of the antimicrobial agent to the pasta was also evaluated. The films had mechanical properties suitable for use as active packaging for fresh pasta. The active films controlled the microbial growth, thus increasing the shelf-life of fresh pasta. Moreover, the amounts of potassium sorbate that migrated to the product were much lower than the concentrations allowed by the Brazilian legislation for fresh pasta. The film with 4.5% potassium sorbate was the best at controlling the microbial growth in the product; this film is suitable for use as an active packaging for fresh pasta. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:25 / 29
页数:5
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