压榨棉籽饼作为工业化养殖黑水虻幼虫的潜在日粮,对其肠道细菌和真菌菌群适应的影响
Total nitrogen was determined following the Kjeldahl method (Kjeldatherm, Vapodest 500,Gerhardt, K?nigswinter, Germany) to calculate the crude proteinvalue using conversion factors 6.25. 使用格哈特公司 凯道森Kjeldatherm消化系统, 维普得Vapodest 500全自动凯氏定氮仪测氮含量,按6.25算蛋白质含量。For fat determination samples were disintegrated for 30 min in 2 mol/L HCl, filtered, washed neutral and dried for2 h at 105℃. The fat was extracted automatically with n-hexane in a Soxtherm system (Gerhardt, K?nigswinter, Germany) and the content was determined gravimetrically.脂肪分析:样品采用2 mol/L 盐酸水解半小时,过滤,洗涤到中性并在105℃下干燥2小时,然后用正己烷在格哈特公司的索克森Soxtherm 自动快速索氏提取仪进行脂肪提取,脂肪含量使用重量法检测。