Luria Broth Base (Miller's LB Broth Base)®, powder Formulation per one liter: 10 g SELECT Peptone 140 5 g SELECT Yeast Extract 10 g sodium chloride Final Product: Liquid Medium Preparation Method: Autoclave Form: Powder Target Organism: E. coli Product Size: 500 g Shipping Condition: Room Temperature Regulatory Statement: For Research Use Only. Not for use in diagnostic procedures. Store at room temperature.