Delta Gluconolactone powder Raw Materials CAS 90-80-2

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Uses and synthesis of Delta Gluconolactone powder

Delta Gluconolactone powder abbreviated as GDL, molecular formula C6H10O6, Delta Gluconolactone CAS 90-80-2 is a non-toxic edible substance. White crystal or white crystalline powder, almost odourless, sweet and then sour in taste, easily soluble in water. Easily soluble in water.Delta Gluconolactone Raw Materials is used as a coagulant, mainly used in the production of bean curd.

Applications / Functions of Delta Gluconolactone powder

• Delta Gluconolactone powder can be used as stabiliser and coagulant.
• Delta Gluconolactone CAS 90-80-2 Used as a raw material for tofu coagulant, flavouring agent, pH-reducing agent and bulking agent.
• Delta Gluconolactone Raw Materials is widely used as acidifier, leavening agent, protein coagulant, pH lowering agent, colour retainer, food preservative, etc. It can be used in the production of bean curd, as well as in the production of tofu. The made lactone tofu has tender texture, no odour, no protein loss and preservative property. It can also be used in cosmetics, textile, paper making, medicine and so on.

Physicochemical Property of Delta Gluconolactone powder

White crystal or crystalline powder, odourless, sweet and then bitter taste, sour taste. Melting point 150～152℃(decomposition). Soluble in water (room temperature, 60g/100mL), slightly soluble in ethanol (1g/100mL), insoluble in ether.

Production methodprocess of Delta Gluconolactone powder

The raw material calcium gluconate is first hydrolysed with sulphuric acid to obtain gluconic acid solution. After filtration to remove calcium sulfate precipitation, then barium hydroxide and oxalic acid to refine the solution, and sedimentation and separation to remove SO42- and Ca2+ in the solution.

The gluconic acid solution is then further purified by ion exchange resin. The solution was concentrated to 80%-85% concentration, and the gluconic acid-δ-lactone crystal seed was added, continued to be concentrated and crystallised, and Delta Gluconolactone powder was obtained by centrifugal separation, washing and drying .

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