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CasNo: 526-95-4
Molecular Formula: C6H12O7
Appearance: clear yellow to brownish-yellow solution
Description |
Gluconic acid (C6H12O7) is a weak organic acid derived from the oxidation of glucose. It exists in equilibrium with its cyclic ester form, glucono delta-lactone, in aqueous solution. Gluconic acid is non-toxic, non-corrosive, and biodegradable, making it a versatile compound with significant industrial applications. It naturally occurs in plants, fruits, honey, and wine and is primarily produced through microbial or enzymatic oxidation of glucose. |
Uses |
Gluconic acid is categorized as a biodegradable organic acid with applications across multiple industries, including food, pharmaceuticals, textiles, and chemicals. Gluconic acid is widely used as a food additive, particularly as a pH regulator or acidity controller in processed foods and beverages. It acts as a chelating agent, binding metal ions such as calcium and iron, which helps prevent discoloration and bitterness in food products. |
Chemical Structure | Gluconic acid consists of a six-carbon chain with five hydroxyl groups and one terminal carboxyl group, making it part of the aldonic acid family. This structure allows it to form various chemical derivatives and engage in complex reactions. |
Reactivity | Gluconic acid is generally unreactive under standard conditions but can undergo transformations, especially in the presence of strong oxidizing or reducing agents. |
InChI:InChI=1/C6H12O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h2-5,7-11H,1H2,(H,12,13)/p-1/t2-,3-,4+,5-/m1/s1
In the recent years, possibility of integration of tailor-made and highly selective membranes and modules with fermenter in downstream purification of gluconic acid appears to have brightened the prospects of gluconic acid manufacture. This paper through a comprehensive review of the critical aspects of production of gluconic acid suggests ways towards development of green processes through process intensification leading to the prospects of sustainable business.
This review focuses on d-gluconic acid (GA), a common additive used in pharmaceutical, textile, building and, especially, food industries. GA is usually obtained through biological methods involving the partial oxidation of glucose. This acid provides an excellent example of how some production wastes and surpluses with high carbohydrate contents can be optimally exploited.
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