Study on Antibacterial Activity of  Fruits

ZHANG Xing; YANG Hui-bo; LI Ya-zhou; TONG Ji-ming

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Study on Antibacterial Activity of Fruits

更新时间：2024-01-04

- Study on Antibacterial Activity of Fruits
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 17, Issue 21, Pages: 188-191(2011)
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- Published：2011
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ZHANG Xing, YANG Hui-bo, LI Ya-zhou, et al. Study on Antibacterial Activity of Fruits[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(21): 188-191.
DOI：

ZHANG Xing, YANG Hui-bo, LI Ya-zhou, et al. Study on Antibacterial Activity of Fruits[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(21): 188-191. DOI：

摘要

目的: 研究赤雹果不同提取物体内、外抗菌活性

筛选抗菌活性提取物。方法: 体外抗菌实验采用营养肉汤对金黄色葡萄球菌等14个菌株进行试管连续稀释法和营养琼脂扩散法测定赤雹果不同提取物的最低抑菌浓度和最低杀菌浓度。采用金黄色葡萄球菌26002-6标准株感染昆明种小鼠作为模型测定赤雹果不同提取物对该小鼠的保护作用。结果: 赤雹果挥发油对标准菌株:金黄色葡萄球菌26001-26、金黄色葡萄球菌26002-6、大肠杆菌44102-3a3、白色葡萄球菌26069-5、甲型副伤寒杆菌50001-25、乙型副伤寒杆菌50076-1、伤寒杆菌50071-10的MIC分别为0.17

0.08

0.33

0.17

0.33

0.66 g·L-1

MBC分别为0.17

0.17

0.33

0.66

1.32 g·L-1;对临床分离菌株:金黄色葡萄球菌、大肠杆菌0415、大肠杆菌0416、粪肠球菌0318、奇异变形杆菌、鲍曼不动杆菌0207、肺炎链球菌09030813的MIC分别为0.66

0.66

0.08

0.66

1.32 g·L-1

MBC分别为1.32

1.32

0.08

1.32

2.64 g·L-1。赤雹果水提物和赤雹果多糖仅对部分细菌有作用。赤雹果挥发油和赤雹果多糖对金黄色葡萄球菌感染小鼠具有明显保护作用

小鼠平均存活天数为(5.90±1.79)

(4.89±2.03)d;赤雹果水提物对金黄色葡萄球菌感染小鼠保护作用较弱。结论: 赤雹果抗菌活性部位为挥发油及多糖类成分。

Abstract

Objective: To study the antibacterial activity of Thladianthea dubia fruits in vivo and in vitro

and screen the extracts of antibacterial activity. Method: By methods of tube continuous dilution and agar plate diffusions to 14 strains of bacteria

for example Staphylococcus aureus

minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC) of different extracts of T. dubia fruits were determined in vitro . We chosen mice infected by the type strain of S. aureus 26002-6 as models to test the protection of the extracts of T. dubia fruits. Result: With regard to volatile oil of T. dubia fruits (VTDF)

the MICs to the type strains of S. aureus 26001-26

Staphylococcus aureus26002-6

Escherichia colt44102-3a3

S.albus 26069-5

Salmonella paratyphi A 50001-25

S.paratyphi B 50076-1

S.typhosa50071-10 were respectively 0.17

0.08

0.33

0.17

0.33

0.66 g·L-1

the MBCs were 0.17

0.17

0.33

0.66

1.32 g·L-1;and the MICs to the clinical-separated strains of S. aureus

Escherichia colt0415

E.colt0416

Enterococcus faecalis0318

Proteus mirabilis

Acinetobacter baumannii0207

S. pneumoniae 09030813 were respectively 0.66

0.66

0.08

0.66

1.32 g·L-1

the MBCs were 1.32

1.32

0.08

1.32

2.64 g·L-1. However

water extract and polysaccharides of T. dubia fruits (WTDF

PTDF) had antibacterial activity on partial bacteria in vitro . VTDF and PTDF might have obvious protective effect on infected mice induced by S. aureu

WTDF might have weak protective effect on infected mice induced by S. aureu . Conclusion: The antibacterial activity parts of T. dubia fruits are VTDF and PTDF.

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