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Ascorbate peroxidase (or L-ascorbate peroxidase, APX or APEX) (EC 1.11.1.11) is an enzyme that catalyzes the chemical reaction. L-ascorbate + H 2 O 2 dehydroascorbate + 2 H 2 O. It is a member of the family of heme-containing peroxidases.
The main use of l-ascorbic acid and its salts is as food additives, mostly to combat oxidation and prevent discoloration of the product during storage. [20] It is approved for this purpose in the EU with E number E300, [ 21 ] the US, [ 22 ] Australia, and New Zealand.
Intravenous Ascorbic Acid or PAA, pharmacologic ascorbic acid [1] (also known as vitamin C or L-ascorbic acid), is a process that delivers soluble ascorbic acid directly into the bloodstream. It is not approved for use to treat any medical condition.
Erythorbic acid (isoascorbic acid, D-araboascorbic acid) is a stereoisomer (C5 epimer) of ascorbic acid . [1] It is synthesized by a reaction between methyl 2-keto-D-gluconate and sodium methoxide. It can also be synthesized from sucrose or by strains of Penicillium that have been selected for this feature. [2]
food acid 326 A E U potassium lactate: food acid 327 A E U calcium lactate: food acid 328 A U ammonium lactate: food acid 329 A U magnesium lactate: food acid 330 A E U citric acid: food acid 331 A E U sodium citrates: food acid 332 A E U potassium citrates: food acid 333 A E U calcium citrates: food acid, firming agent 334 A E U L(+)-tartaric ...
Sodium ascorbate is one of a number of mineral salts of ascorbic acid (vitamin C). The molecular formula of this chemical compound is C 6 H 7 NaO 6. As the sodium salt of ascorbic acid, it is known as a mineral ascorbate. It has not been demonstrated to be more bioavailable than any other form of vitamin C supplement. [2]
An example of a mineral ascorbate drug is sodium ascorbate injections, as the acid form (ascorbic acid) of vitamin C is too acidic for injections). Ascorbate salts may be better tolerated by the human body than the corresponding weakly acidic ascorbic acid. Ascorbates are highly reactive antioxidants used as food preservatives. [2]
Potassium ascorbate is a compound with formula KC 6 H 7 O 6. It is the potassium salt of ascorbic acid and a mineral ascorbate. As a food additive, it has E number E303, INS number 303. Although it is not a permitted food additive in the UK, USA and the EU, [2] [3] it is approved for use in Australia and New Zealand. [4]