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上海乾思生物科技有限公司
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什么是發酵培養基

時間:2011/11/8閱讀:886
分享:

         培養基(Medium)是供微生物、植物和動物組織生長和維持用的人工配制的養料,一般都含有碳水化合物、含氮物質、無機鹽(包括微量元素)以及維生素和水等。有的培養基還含有抗菌素和色素,用于單種微生物培養和鑒定。

        發酵培養基是供菌種生長、繁殖和合成產物之用。它既要使種子接種后能迅速生長,達到一定的菌絲濃度,又要使長好的菌體能迅速合成需產物。因此,要求發酵培養基的組成應豐富、*,碳、氮源要注意*和遲效的互相搭配,少用*營養,多加遲效營養;還要考慮適當的碳氮比,加緩沖劑穩定pH值;并且還要有菌體生長所需的生長因子和產物合成所需要的元素、前體和促進劑等。除有菌體生長所必需的元素和化合物外,還要有產物所需的特定元素、前體和促進劑等。

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