The chemical composition of palm fiber, a lignocellulosic waste ejected from the palm oil industry, was analyzed.The fiber consisted of holocellulose (59.6%), lignin (28.5 %), lipid (1.9 %), protein (3.6 %), ash (5.6 %), and others (0.8 %).Delignified fiber was digested very well by the cellulase from Trichoderma viride and the degree of digestion reached over 90 % of the total carbohydrate in the original sample.Also xylose was produced from hemicellulose units by hydrolysis with 5.0 % sulfuric acid at 100 C for 60min.
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Koba et al. (1990) studied this question.