Peptone, Bacto, 500 g, ยี่ห้อ Difco

รหัสสินค้า : 211677

**ราคาสินค้ารวมภาษีมูลค่าเพิ่มแล้วครับ**

Intended Use

Bacto Peptone is used as an organic nitrogen source in microbiological culture media for cultivation of a variety of bacteria and fungi.

Principles of the Procedure

Bacto Peptone is an enzymatic digest of animal protein. Bacto Peptone contains nitrogen in a form that is readily available for bacterial growth. Bacto Peptone has a high peptone and amino acid content, with only a negligible quantity of proteoses and more complex nitrogenous constituents.

Dehydrated Appearance: Tan, free-flowing, granules.

Solution:1.0%, 2.0% and 10.0% solutions, soluble in purified water. 1.0% solution is light amber, clear. 2.0% solution is light to medium amber, clear. 10.0% solution is medium to dark amber, clear to very slightly opalescent, may have a very slight precipitate.

Reaction of 1.0% Solution at 25°C: pH 6.8-7.2

Characteristic

pH at 25°C ................ 6.8 - 7.2

Loss on Drying .......... 0.0 - 5.0 %

Ash ............................ 0.0 - 6.2 %

Nitrogen ................... 14.2 - 17.4 %

Amino Nitrogen .......... 2.5 - 4.0 %