Starch is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. It contains Approximately 75% amylopectin & 25% amylose. This polysaccharide is produced by all green plants as an energy store. It is the most common carbohydrate in the human diet and is…

Sodium acetate is the sodium salt of acetic acid. Sodium acetate is used as a buffer in the buffering range of pH 3.6-5.6. It is also used in the purification and precipitation of nucleic acids, protein crystallization, Staining of gels in protein gel electrophoresis, HPLC, mordant dyeing, DNA…

Polyethylene glycol (PEG) is a condensation polymer of ethylene oxide and water. PEGs are susceptible to oxidative degradation in the presence of air. Minimizing the exposure of PEG to elevated temperatures and/or exposure to oxygen, or addition of an antioxidant can limit the amount of…