|Table of Contents|

Study on Antimicrobial Activity and Stability of Total Flavonoid From Abelmoschus manihot(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年08
Page:
150-153
Research Field:
Publishing date:

Info

Title:
Study on Antimicrobial Activity and Stability of Total Flavonoid From Abelmoschus manihot
Author(s):
QIU Yan; WANG Mingzhu; ZHAO Zihua
(College of Bioscience and Engineering，Hebei University of Science and Technology，Shijiazhuang，Hebei 050018)
Keywords:
Abelmoschus manihot; total flavonoids; antimicrobial activity; stability
PACS:
-
DOI:
10.11937/bfyy.201608041
Abstract:
Taking Abelmoschus manihot flowers as test material，the total flavonoids was extracted by the ethanol refluxing and purified by AB-8 macroporous resin.The inhibition effect of extracts on microorganisms and the effect of temperature，pH value and ultraviolet radiation on its antimicrobial activities were studied by the method of filter paper dispersion.The results showed that the total flavonoids content of Abelmoschus manihot extracts was 46.5% after purifying and the extracts exhibited inhibition effects on bacteria.MIC values of total flavonoids against Staphylococcus aureus and Bacillus subtilis were both 0.125 mg/mL.The antibacterial activity of Abelmoschus manihot extracts was stable under heating and ultraviolet radiation but decreased with the increasing of pH value.

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Last Update: 2016-06-30