Agar: Introduction, Chemistry, Sources, Preparation, Evaluation, Preservation, Storage, Therapeutic Uses, and Commercial Utility

 General Introduction Agar, also known as agar-agar, is a gelatinous substance derived from red algae, particularly from the genera Gelidium and Gracilaria. It is widely used in microbiology, food industry, and pharmaceuticals due to its unique gelling, thickening, and stabilizing properties.  Detailed Study with Respect to Chemistry Chemical Nature: – Composition: Agar is a complex … Read more

Polysaccharides: chemical nature of starch and glycogen

Polysaccharides are complex carbohydrates composed of multiple monosaccharide units linked together through glycosidic bonds. These macromolecules can vary in size and structure, ranging from a few hundred to thousands of monosaccharide residues. Common examples of polysaccharides include starch, glycogen, and cellulose. Polysaccharides serve various functions in living organisms, such as energy storage (as in starch … Read more

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