^{Casein Peptone, it is, spray dried powder derived from high quality casein by controlled enzymatic hydrolysis.  It is used in microbial culture medium as a bio available nitrogen source.}

^{The tryptic casein peptone is a kind of pale egg yellow powder which is manufactured by trypsin digestion of casein, concentration and spry drying process.}

^{The tryptic casein peptone is widely used as a basic conponent in the preparation of many kinds of bacterial culture media including axenic culture medium, anaerobic bacterial culture medium as well as biochemical specifications test medium of bacteria H2SRM-VP.}

 ^{It is easy to dissolve in water. The water solution is clear, light yellow without precipitation. There is no precipitatation with alkalinity and phosphates.}

Qingdao Sigma Chemical Co., Ltd.is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Qingdao Sigma Chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.