Peptonized SM Powder is an enzymic digestion of high grade SM powder. It has high tryptophan content and is therefore used in media for testing the indole reaction. It serves as a source of nitrogen and also has high level of carbohydrate. Suitable for cultivation of Lactobacilli, yeasts and moulds. It is used on its own or in conjunction with other ingredients, in media for bacteriological examination of dairy products.