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agar (c15-1290-103)

Agar (C15-1290-103)

Catalog No.
C15-1290-103
Manufacturer No.
A1296-100G
Manufacturer Name
Sigma-Aldrich
Quantity
100
Unit of Measure
GR
Price: $144.28
List Price: $160.31

Agar chemically consists of two fractions: agarose, a neutral polymer of high gel strength and agaropectin , a non-gelling fraction with sulfated β-1,3-glycosidically linked D -galactose units. Agar is a hydrophilic colloid obtained from

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General description

Agar chemically consists of two fractions: agarose, a neutral polymer of high gel strength and agaropectin, a non-gelling fraction with sulfated β-1,3-glycosidically linked D-galactose units.

Agar is a hydrophilic colloid obtained from marine algae (Rhodophyceae). It is soluble in boiling water and is of significance to the microbiological area.

Application

Agar has been used in the plant growth media.
Typical working concentration: 6-12g/L.

Agar has been used:

  • as a reference standard commercial agar to compare the physio-chemical, gelling properties of alkali-treated agar from Gracilaria tenuistipitata
  • as a component in the seed germination medium and rooting medium for commercially available soybean (Glycine max (L.) Merr) seeds
  • as a component of growth media for B. subtilis mutant strain MTC871 based biofilm colonies
  • as a bacteriological agar component to prepare half strength Murashige-Skoog (MS 50%) medium for Echinocactus platycanthus seeds culture

Biochem/physiol Actions

Agar is gel forming polysaccharide used as a gelling and stabilizing agent. Its serves as a cryoprotectant in processed foods, pharmaceuticals and cosmetics products.

Other Notes

General purpose agar.

UPC:
51432811
Condition:
New
Weight:
1.00 Ounces
HazmatClass:
No
WeightUOM:
LB
MPN:
A1296-100G


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