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Evaluation of the types of starch for preparation of LDPE/starch blends BABT
Vinhas,Glória Maria; Lima,Suzana Moreira de; Santos,Lívia Almeida; Lima,Maria Alice Gomes de Andrade; Almeida,Yêda Medeiros Bastos de.
This study evaluated in relation the growth, and the amylolytic activity of mixed and isolated cultures of Phanerochaete chrysosporium and Talaromyces wortmanni on different types of starch. The thermal and mechanical properties in polyethylene/starch blends (proportion: 80/20 (w/w) before and after inoculation of the mixed cultures were evaluated. The regular starch Amidex 3 and the modified starch Fox5901 stood out in relation to the cellular growth and production of the amylase enzyme. In spite of the short time that the blends were exposed to the fungi, the microorganisms promoted physical and chemical changes in the structure of the blend, modifying its thermal and mechanical properties. The alteration of the degree of crystallinity and mechanical...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amylolytic enzymes; Polyethylene; Starch; Blends; Talaromyces wortmanii; Phanerochaete crysosporium.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000300001
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