Maslinic acid

Thin layer chromatography and column chromatography were performed from the ethyl acetate extraction of the bark stem of Phyllanthus acidus, and six terpenoids were isolated, including four diterpenes and two triterpenes. Their names were phyllanthol (1), 19-acetoxy-16α, 17- dihydroxy-ent-kaurane (2), 16α, 17-dihydroxy-ent-kaurane (3), 16α,17-acetonide-3αhydroxykauran (4), maslinic acid (5) and phyllane A (6).

8p viaburame 14-03-2025 1 0   Download

Lá ổi có chứa tinh dầu, trong đó có alpha-limonen, bêta-sitosterol, acid maslinic, acid guajavalic. Trong lá ổi non và búp non còn có 7-10% tanin pyrogalic, khoảng 3% nhựa là những hoạt chất có tính kháng khuẩn. Theo lương y Đinh Công Bảy, lá ổi thường được dùng làm thuốc chữa tiêu chảy do có chứa nhiều tanin

3p noinhodiuem123 22-08-2013 134 16   Download

Most drugs against malaria that are available or under development target a single process of the parasite infective cycle, favouring the appearance of resistant mutants which are easily spread in areas under chemotherapeutic treatments.

11p cosis54 04-01-2013 33 4   Download