產(chǎn)品名稱：平板計(jì)數(shù)瓊脂

Product name：PCA

產(chǎn)品用途：用于菌落總數(shù)的測定。

Product usage: For the determination of the total number of colonies.

檢驗(yàn)原理:

Test principle:

胰蛋白胨提供碳源和氮源；酵母浸粉提供B 族維生素；葡萄糖提供能源；瓊脂是培養(yǎng)基的凝固劑。

Tryptone provides carbon and nitrogen sources. Yeast extract powder provides B vitamins; Glucose provides energy; AGAR is a coagulant for medium.

配方成分

Formula ingredients

使用方法

Usage

稱取本品 23.5g，加熱攪拌溶解于1000ml 蒸餾水中，分裝試管或錐形瓶，121℃高壓滅菌15分鐘，備用。

Weigh 23.5g of this product, stir and dissolve it in 1000ml distilled water, divide into test tubes or conical bottles, autoclave at 121℃ for 15 minutes, and set aside.