Study on Antibacterial Composition from Leaves of Jasminum nudiflorum Lindl.

Abstract

Abstract: A antibiotic monomer was isolated from the leaves of Jasminum nudiflorum Lindl. by column chromatography(CC), thin layer chromatography(TLC) and recrystallization. The structure of this substance was identified as secoiridoid glucosides (jasminin) based on the chemical and spectroscopic evidence. Its antibiotic activity was unstable in strong acidic solution, but was stable after being treated by high temperature and ultraviolet. The minimal inhibition concentration (MIC) of this monomer against Staphylococlus aureus was 1 mg/ml, while against Shigella dysenteroae and Escheichia coli 0.5 mg/ml, and the minimum bactericidal concentration (MBC) was 2 mg/ml against these three bacteria.

Key words: Jasminum nudiflorum Lindl., isolation, secoiridoid glucosides, bacteriostatic activity, monomer

LU Cheng-Ying, YANG Wei-Bo, HUANG Zao-Cheng, ZHONG Wei. Study on Antibacterial Composition from Leaves of Jasminum nudiflorum Lindl.[J]. FOOD SCIENCE, 2007, 28(12): 43-46.

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Study on Antibacterial Composition from Leaves of Jasminum nudiflorum Lindl.

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