Correlation between chemical compounds and mechanical response in culms of two different ages of Guadua angustifolia Kunth
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Instituto de Ecología, A.C.
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Wet chemical analysis was used to determine carbohydrate structural contents, as well as ash and extractive contents on four Guadua Angustifolia Kunth forms ( f. Cebolla, f. Macana, f. Rayada Amarilla and f. Castilla ) with two different growth ages (young and mature). Soluble and insoluble fiber content was determined by using AOAC 985.29 method. Bending tests were conducted in a universal testing machine following ASTM D143 standard method in order to determine modulus of rupture ( MOR ). Finally, a correlation between con - tents of chemical compounds and bending behavior ( MOR modulus) was carried out with SPSS Statistical Package, version 7.0, obtaining Pearson’s coefficient correlation and showing the relationship between soluble fibers and bending response for mature Guadua culms.
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