Aldehyde dehydrogenase 1 family, member A3, ti a tun mo si ALDH1A3 tabi retinaldehyde dehydrogenase 3 (RALDH3), je enzyme ninu awon eniyan ti  ALDH1A3 gene, n koodu funIse re Aldehyde dehydrogenase isozymes je awon enzymes ti a ro wipe won n sise takuntakun ni pipa oro awon aldehyde ti o jeyo ninu eto ogogoro ati ituka lipid ninu ara.. 
Wọ́n pe ẹ̀sìn yìí ní "ẹgbẹ́ òkùnkùn" tí àwọn aláṣẹ Vitname sì fi òpin síi ní ọdún 1975.Àwọn Ìtọ́kasí ẹ̀sìn.. 