... infant food; Produced in enclosed environment; Main ingredient AA (Arachidonic acid) Appearance The oil is in light yellow or orange color, with ... ethyl ether, petroleum ether, acetone and hexane etc. Physiochemical Index: AA(C20H32O2),% ≥40.0Moisture,% ≤0.1Impurity,% ≤0.2Acid value(KOH),mg ... (Pb), mg/kg ≤0.1Arsenic(As), mg/kg ≤0.1 AA (Arachidonic acid) oil