A complex sulfated polymer of galactose units, extracted from Gelidium cartilagineum, Gracilaria confervoides, and related red algae. It is used as a gel in the preparation of solid culture media for microorganisms, as a bulk laxative, in making emulsions, and as a supporting medium for immunodiffusion and immunoelectrophoresis.
Solubility Insoluble in cold water; soluble in boiling water
Formula
C14H24O9
Mol. Weight
336.33
CAS #
9002-18-0
Form
Powder
State
Agar is odourless or has a slight characteristic odour. Unground agar usually occurs in bundles consisting of thin, membranous, agglutinated strips, or in cut, flaked or granulated forms. It may be li
Functions
Binding
Viscosity Controlling
Antioxidant
Anti-Inflammatory
Antimicrobial
Provides scent
Holds ingredients together
Controls product thickness
Traditional Use
Used for over 1,500 years in Traditional Chinese Medicine and Japanese traditional practices as a gelling agent and skin-soothing ingredient. Historically used in Asian beauty preparations for its moisturizing properties.