There are some differences between Agar and Agar.

Let's first understand what Agar and agarose are. Agar is one of the most widely used algae gum in the world. Agarose is a linear polymer. The basic structure of agarose is a long chain of β -D-galactose, which is connected with 1 ~ 3, and 3 ~ (6) -endo-L-galactose, which is connected with 1 ~ (4), which is alternately linked by β -D-galactose.

The difference between Agar and Agar is that Agar is the best solid agent in solid culture. Agar itself does not provide any nutrients. Agar is a high molecular carbohydrate extracted from algae such as red algae and dissolved in hot water. After cold (below 40 °C), the sol solidifies into a solid gel. Commonly known as "boiling" medium, Agar is dissolved in hot water (above 90 °C).

Polysaccharide extracted from Agar and polymerized from different types of pyrrolide galactose. Application in biochemistry and molecular biology for gel filtration, gel electrophoresis and gel diffusion

Structurally, Agar is composed of agarose (agarose) and Agar pectin (agaropectin). Agarose is a linear polymer with the basic structure of β -D- galactofuran with 1 ~ (3) and 3 ~ (6) -dehydrated α -L _ (galactofuran) with 1 ~ (4) ~ (4) -linked β -D-galactofuran (β -D-galactofuran). Agar pectin is a heterogeneous mixture of many smaller molecules. Their structures are similar, but with sulphate and carboxyl components, the gel ability is poor.

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