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Full-Text Articles in Forest Sciences
Comparative Study Of Various Pretreatment Reagents On Rice Husk And Structural Changes Assessment Of The Optimised Pretreated Rice Husk, Teck Nam Ang Dr., Gek Cheng Ngoh Dr, Adeline Seak May Chua Dr
Comparative Study Of Various Pretreatment Reagents On Rice Husk And Structural Changes Assessment Of The Optimised Pretreated Rice Husk, Teck Nam Ang Dr., Gek Cheng Ngoh Dr, Adeline Seak May Chua Dr
Teck Nam Ang Dr.
The performance of alkalis (NaOH and Ca(OH)2) and acids (H2SO4, HCl, H3PO4, CH3COOH, and HNO3) in the pretreatment of rice husk was screened, and a suitable reagent was assessed for subsequent optimisation using response surface methodology. From the assessment, HCl that hydrolysed rice husk well was optimised with three parameters (HCl loading, pretreatment duration, and temperature) using Box-Behnken Design. The optimised condition (0.5% (w/v) HCl loading, 125oC, 1.5 hours) is relatively mild, and resulted in ~22.3 mg TRS/ml hydrolysate. The reduced model developed has good predictability, where the predicted and experimental results differ by only 2%. The comprehensive structural characterization …
Effects Of Microbial Inoculants Enterococcus Faecium Ef2/3s And Ef26/42 On Microbial, Chemical, And Fermentation Parameters In Grass Silage, Zora Varadyova, Dusan Jalc, Andrea Laukova, Katarina Mihalikova, Petr Homolka
Effects Of Microbial Inoculants Enterococcus Faecium Ef2/3s And Ef26/42 On Microbial, Chemical, And Fermentation Parameters In Grass Silage, Zora Varadyova, Dusan Jalc, Andrea Laukova, Katarina Mihalikova, Petr Homolka
Turkish Journal of Agriculture and Forestry
Survival of inoculants in grass silages may enable them to improve the quality of silages through enrichment with polyunsaturated fatty acids (PUFAs). The effects of 2 inoculants, Enterococcus faecium 2/3s (EF2/3s) and E. faecium 26/42 (EF26/42), on nutrient composition, fermentation parameters, and fatty acid content in grass silages during ensiling (111 days) of fresh grass (G) were examined under laboratory conditions. The G [285 g of dry matter (DM) kg^{-1}] was ensiled in 36 polyethylene jars (1 L) divided into 3 × 12 sets per treatment and ensiled at 21 °C for 111 days. The 3 silage treatments used were: …