Change in nutrients composition of water hyacinth
1999
W. Anantakul | Nongyao C. | S. Kittipongpysal (Rajabhat Institute Chandrakasem, Bangkok (Thailand). Faculty of Agriculture and Industry. Dept. of Agriculture)
Eight species of fungi including Aspergillus spp., A. niger, S. pulverculentum, Trichoderma ressei, T. pseudokoningii, Chaetomium spp. Pleurotus sajor-caju and P. florida were selected to ferment in order to improve nutritive values. Chopped 2-3 inched long and half-day sun dried water hyacinth (WH) were treated with each fungi with 4 replications. After fermentation for 3, 5 and 7 days, samples of each period were randomized to oven-dried and ground prior to chemical analyses. Then, compared the nutritive value with non-steriled and non-inoculated WH using ANOVA. The results showed that, only energy content were started change significantly difference among treatment after 3 days of fermentation. After 7 days of fermentation, significance different of protein percentage were higher at WH treated with S. pulverculentum, T. ressei, Chaetomium spp., Pleurotus sajor-caju and P. florida. Growing quail feeding with forced-feeding, showed trend enhacement of crude protein digestibility with P. sajor-treated WH. The results stated that at 5 and 7 days of fermentation WH treated with P. sajor cajor were the most nutritive values.
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