Agar Agar powder Type (Bacteriological Grade)

 Principle

• Agar is a Phycocolloid extracted from the red-purple marine algal group (class Rhodophyceae) including Geledium, Pterocladia, and Glcilaria.
• The property of agar makes it a suitable ingredient in media formulation.
• Agar is not utilized or hydrolyzed by the microorganisms for basic metabolisms, and it remained firm at the incubation temperatures of bacteria (below 40℃).
• Agar obtained from marine algae has desirable features such as a melting point of 80℃ and Gelling at 42 ℃ is best to use as the solidifying agent.

 Use:

Recommended to use as a gelling agent in a solid medium.

PHYSICAL PARAMETERS: 

Dehydrated Powder

Description

A fine, free-flowing, hygroscopic powder.

Color

Off-white colored powder.000

Solution

Solubility

Soluble in Distilled / de-ionized water ≥80℃

Color

Clear to slightly opalescent solution (about 50℃)

pH

6.50-7.50 @ 25℃

Agar Plates

Solidification

 41 ˚C

Color

Clear to slightly opalescent gel

Gel Strength

1.2%

Firm after solidification

1.5%

Firm after solidification

2.0%

Firm after solidification