In this work, the pseudostem was divided into four different fractions for chemical composition and morphology analysis: the outside (E), with green and open blades; inner part (I), with yellowish and open blades; central part (C), with white, fragile and concentric blades; and palm (P), with a fibrous, fragile and white single piece. We observed an increase of extractives and a decrease in the percentage of li...
A celulose bacteriana (CB) produzida pela linhagem de Gluconacetobacter hansenii encontra-se entre os biopolímeros de maior interesse. Tradicionalmente, ela é produzida a partir de meios de cultura caros, resultando em custos de produção muito elevados, o que limita seu uso para aplicações diversas. O emprego de fontes mais baratas de nutrientes, tais como resíduos da agroindústria, é uma estratégia interessant...
A polysaccharide was extracted from the roots of Pombalia calceolaria, a plant used in folk medicine in Northeastern Brazil, by decoction followed by precipitation with methanol, yielding a concentration of 13.0% w/w, and purification with acetone. The molar mass peak was estimated to be 4.0 × 103 Da using gel permeation chromatography (GPC). Polarized light photomicrography of histological sections revealed th...