Peptonized Milk is an enzymic digest of high grade skimmed milk 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 molds.
Appearance
Light yellow to brownish yellow Homogenous Free flowing powder,having Characteristic odor but not putrescent.
Solubility
Freely soluble in distilled/purified water. Insoluble in alcohol and ether.
Clarity
1% w/v aqueous solution is clear without any haziness after autoclaving at 15 lbs pressure (121ºC) for 15 minutes.
Reaction
Reaction of 2% w/v aqueous solution at 25ºC.
Storage and Shelf Life
Store below 30°C. Use before expiry date on the label.