E338 - Fosforik asit

Fonksiyonlar: en:Antioxidant, en:Sequestrant

Phosphoric acid -also known as orthophosphoric acid or phosphoricV acid- is a weak acid with the chemical formula H3PO4. Orthophosphoric acid refers to phosphoric acid, which is the IUPAC name for this compound. The prefix ortho- is used to distinguish the acid from related phosphoric acids, called polyphosphoric acids. Orthophosphoric acid is a non-toxic acid, which, when pure, is a solid at room temperature and pressure. The conjugate base of phosphoric acid is the dihydrogen phosphate ion, H2PO−4, which in turn has a conjugate base of hydrogen phosphate, HPO2−4, which has a conjugate base of phosphate, PO3−4. Phosphates are essential for life.The most common source of phosphoric acid is an 85% aqueous solution; such solutions are colourless, odourless, and non-volatile. The 85% solution is a syrupy liquid, but still pourable. Although phosphoric acid does not meet the strict definition of a strong acid, the 85% solution is acidic enough to be corrosive. Because of the high percentage of phosphoric acid in this reagent, at least some of the orthophosphoric acid is condensed into polyphosphoric acids; for the sake of labeling and simplicity, the 85% represents H3PO4 as if it were all in the ortho form. Dilute aqueous solutions of phosphoric acid exist in the ortho form. - Wikipedia

EFSA değerlendirmesi: Re‐evaluation of phosphoric acid–phosphates – di‐, tri‐ and polyphosphates -E 338–341, E 343, E 450–452- as food additives and the safety of proposed extension of use (2019/06/12)

Avrupa Gıda Güvenliği Otoritesi (EFSA), bazı popülasyon gruplarının E338 - Fosforik asit için Kabul Edilebilir Günlük Alım Miktarına (ADI) ulaşma veya onu aşma riskinin yüksek olduğunu belirlemiştir.

E338 - Fosforik asit gıda katkı maddesine maruz kalma miktarınızı belirlemek için, onu içeren ürünler listemize göz atabilirsiniz. Aşağıda E338 - Fosforik asit içeren ürün listesine bakınız.

	Bebekler	Yürümeye Yeni Başlayan Çocuklar	Çocuklar	Ergenler	Yetişkinler	Yaşlılar
	< 1	1 ila 2	3 ila 9	10 ila 17	18 ila 64	65+
Yüksek risk (İnsanların %50'si veya daha fazlası)
Orta risk (İnsanların% 5'i veya daha fazlası)

: Kabul edilebilir günlük alım miktarına (ADI) ulaşma veya aşma riski