Παραδείγματα από το σώμα κειμένου για organic acid
1. As blueberry contains such ingredients as sugar,protein, fatty substance, carbohydrate, tannin, organic acid (mainly citric acid), mineral matter, vitamins, anthocyan pigment, it is very good for health.
2. It contains S, mineral matters, various vitamins, essential amino acid, organic acid, hormone, antibiotic medicine, enzyme, anti–oxidants and other useful substances.
3. In this course, they found out that a kind of substance making organic acid promotes the metabolism of melanin pigment in the skin to give complexion a healthy appearance and radiance and prevent wrinkling.