Comparing E330 - Citric acid vs E343I - Monomagnesium phosphate
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Popular questions
Is citric acid bad for you?
At typical food levels, citric acid (E330) is considered safe by major regulators (GRAS; EFSA/JECFA). Concentrated or frequent acidic exposure can irritate the mouth/stomach or contribute to tooth enamel erosion.
Where does the citric acid cycle occur?
In eukaryotic cells it occurs in the mitochondrial matrix; in bacteria it occurs in the cytosol.
What does citric acid do to your body?
It is a normal intermediate in energy metabolism and is readily metabolized to carbon dioxide and water. Citrate can bind minerals, which may enhance absorption of some and help prevent certain kidney stones by increasing urinary citrate.
Where does citric acid come from?
It occurs naturally in citrus fruits, but most food-grade citric acid is produced by fermenting sugars (e.g., from corn, beet, or cane) with Aspergillus niger.
How is citric acid made?
Industrially, sugars are fermented with Aspergillus niger to produce citric acid, then it is recovered and purified—often by precipitating calcium citrate and converting it back with sulfuric acid or via ion-exchange/crystallization.
What is the formula for magnesium phosphate?
For the food additive E343(i) monomagnesium phosphate, the formula is Mg(H2PO4)2 (often found as hydrates); the fully basic “magnesium phosphate” is Mg3(PO4)2.
What does monobasic mean?
Monobasic means only one acidic hydrogen per acid unit is replaced by a metal; in phosphates it refers to dihydrogen phosphate salts (H2PO4−), such as Mg(H2PO4)2.
What is magnesium ascorbyl phosphate?
It’s a stabilized vitamin C (ascorbic acid) derivative used mainly in cosmetics and skincare; it is different from the food additive magnesium phosphates (E343).
What is the molar mass of magnesium phosphate?
Anhydrous monomagnesium phosphate, Mg(H2PO4)2, is about 218.28 g/mol; the tribasic magnesium phosphate Mg3(PO4)2 is about 262.86 g/mol (hydrate forms will differ).
Why boric acid is monobasic acid?
In water, boric acid B(OH)3 acts as a Lewis acid that accepts one OH− to form B(OH)4−, effectively releasing only one proton equivalent, so it is monobasic.