Lêng-Sng
Lêng-sng (Eng-gí: citric acid, hoà-hak-sek: C6H8O7), mā ū kóng le-bóng-sng, sī chū-jiân-kài ê chi̍t khoán jio̍k-sng, seng-hoà-siōng sī tāi-siā koè-têng tiōng-iàu ê tiōng-kài-bu̍t, lêng-sng sûn-khoân ê koan-kiàn.
Tī sán-gia̍p-siōng, mā sī siông-kiàn ê si̍t-phín kap ím-liāu thiam-ka-bu̍t.
Lêng-sng ê iâm-ki hêng-thài sī lêng-sng-iâm (citrate).
Chham-chiàu
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