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(一)原料细度 原料应呈颗粒状,不宜太细,因太细密度大,透性差,灭菌不易彻底,不利于菌丝生长。 (二)装袋松紧度 以手提起袋的一端抖动而料不下移,手拿料袋中间而袋不弯曲为适度。 (三)灭菌时间 常压灭菌必须保持100℃、维持8小时以上,密度大的木屑原料要维持9个小时以上。
(A) Raw material fineness The raw material should be granular, not too fine, too thin, large permeability, poor permeability, sterilization is not easy, is not conducive to mycelial growth. (B) bagging tightness Hand-held bag at one end of the jitter and expected not to move down, holding the bag in the middle and the bag is not bent to moderate. (C) Sterilization time Atmospheric pressure sterilization must be maintained at 100 ℃, maintained for 8 hours or more, the density of wood chips to maintain raw materials for more than 9 hours.