Food additives
Citric acid (E330), sodium citrate (E331) and potassium citrate (E332) are permitted EU Food Additives and may be used quantum satis. According to the JECFA (Joint Expert Committee on Food Additives of the WHO/ FAO), these products may be used without limitation, according to Good Manufacturing Practice. The US Food and Drug Administration classifies citric acid, sodium citrates and potassium citrates as GRAS (Generally Recognized as Safe) food ingredients. Their purity complies with the US Food Chemicals Codex.