Anti-bacterial activity of leaf extracts from <em>Heptacodium miconioides</em>

ZHANG Jun-hui; JINZe-xin

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Volume 24 Issue 3

Feb. 2017

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Article Navigation > Journal of Zhejiang A&F University > 2007 > 24(3): 369-371

ZHANG Jun-hui, JINZe-xin. Anti-bacterial activity of leaf extracts from Heptacodium miconioides[J]. Journal of Zhejiang A&F University, 2007, 24(3): 369-371.

Citation:

ZHANG Jun-hui, JINZe-xin. Anti-bacterial activity of leaf extracts from Heptacodium miconioides[J]. Journal of Zhejiang A&F University, 2007, 24(3): 369-371.

Anti-bacterial activity of leaf extracts from Heptacodium miconioides

ZHANG Jun-hui^,,
JINZe-xin

1.
Institute of Ecology, Taizhou University, Linhai 317000, Zhejiang, China

Funds:

浙江省自然科学基金资助项目(399203);浙江省台州市科学技术局资助项目(044205)

Received Date: 2006-08-06
Rev Recd Date: 2006-11-03
Publish Date: 2007-06-20

Abstract

The anti-bacterial activity of Heptacodium miconioides(sevenseedflower tree) on Staphylococcus aureus and Escherichia coli were studied by a disc diffusion testwith leaves picked atdifferentdates(4thApr, 18thApr,2nd May, 16thMay, 30thMay, 30th Jun, 27th Jun, 11th Jul, 25th Jul, 8th Aug, 22nd Aug, 5th Sep, 19thSep). Compared with boiling or Soxhlets extraction methods, ultrasound was suitable for analysis of larger quantities of samples. When diluted 80 times. 1 g ultrasound extraction still had a strong anti-bacterial rate(60%). Furthernore, a strong anti-bacterial rate( 50%)wasobserved during the entire leafgrowing periodwith S. aureus having a higher susceptivity than E. coli.Although it fluctuated with time, leaves of H. miconioides displayed the highest anti-bacterial activity the first 10 d of April, the middle 10 d of July, and the last 10 d of September.[Ch, 1 tab. 1 fig. 7 ref.]
- botany,
- Heptacodium miconioides(sevenseedflower),
- extract,
- anti-bacterial activity

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Anti-bacterial activity of leaf extracts from Heptacodium miconioides

ZHANG Jun-hui^,,
JINZe-xin

1. Institute of Ecology, Taizhou University, Linhai 317000, Zhejiang, China

Funds:

浙江省自然科学基金资助项目(399203);浙江省台州市科学技术局资助项目(044205)

Received Date: 2006-08-06
Rev Recd Date: 2006-11-03
Publish Date: 2007-06-20

Key words:

botany /
Heptacodium miconioides(sevenseedflower) /
extract /
anti-bacterial activity

Abstract: The anti-bacterial activity of Heptacodium miconioides(sevenseedflower tree) on Staphylococcus aureus and Escherichia coli were studied by a disc diffusion testwith leaves picked atdifferentdates(4thApr, 18thApr,2nd May, 16thMay, 30thMay, 30th Jun, 27th Jun, 11th Jul, 25th Jul, 8th Aug, 22nd Aug, 5th Sep, 19thSep). Compared with boiling or Soxhlets extraction methods, ultrasound was suitable for analysis of larger quantities of samples. When diluted 80 times. 1 g ultrasound extraction still had a strong anti-bacterial rate(60%). Furthernore, a strong anti-bacterial rate( 50%)wasobserved during the entire leafgrowing periodwith S. aureus having a higher susceptivity than E. coli.Although it fluctuated with time, leaves of H. miconioides displayed the highest anti-bacterial activity the first 10 d of April, the middle 10 d of July, and the last 10 d of September.[Ch, 1 tab. 1 fig. 7 ref.]

ZHANG Jun-hui, JINZe-xin. Anti-bacterial activity of leaf extracts from Heptacodium miconioides[J]. Journal of Zhejiang A&F University, 2007, 24(3): 369-371.

Citation:

ZHANG Jun-hui, JINZe-xin. Anti-bacterial activity of leaf extracts from Heptacodium miconioides[J]. Journal of Zhejiang A&F University, 2007, 24(3): 369-371.

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