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Effect of Ultra-High Pressure Processing (UHPP) on the Microstructure of Bacillus subtilis
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Qing-Mei ZENG1, Hui-Ming XIE1, Jian PAN1, Yi YANG1, Hui-Qun XU2, Xun-Duan HUANG1, Yang-Nan ZHAO1
Chinese Journal of High Pressure Physics | 2006, 20(1) : 83 - 87
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Chinese Journal of High Pressure Physics | 2006, 20(1): 83-87
Effect of Ultra-High Pressure Processing (UHPP) on the Microstructure of Bacillus subtilis
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Qing-Mei ZENG1, Hui-Ming XIE1, Jian PAN1, Yi YANG1, Hui-Qun XU2, Xun-Duan HUANG1, Yang-Nan ZHAO1
Affiliations
  • 1.Key Laboratory of Bio-Process (Hefei University of Technology), Ministry of Education, Hefei 230009, China
  • 2.Anhui Province Import and Export Commodity Inspection and Quarantine Bureau, Hefei 230006, China
Published: 2006-03-05
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The effect of ultra-high pressure processing on the microstructure of Bacillus subtilis AS 1.140 was investigated, and the inactivation mechanism of its vegetative form and spore was studied. The change of B. subtilis microstructures were analyzed and compared in terms of the oberation with a Transmission Electron Microscope (TEM) after UHPP (500 MPa, 60 ℃, 20 min). Results showed that the vegetative cell wall of B. subtilis was shrinked, breached and leaked out cytoplasm, the layer structure of cytoplasm disappeared, and a large electron transmission area appeared in the cell after compression. The outer coat of its spores was also breached, the layer structure of spores' inclusion disordered, the inclusion leaked out from the cell, and a partial electron transmission area appeared after compression.

Bacillus subtilis AS 1.140  /  ultra-high pressure processing (UHPP)  /  Microstructure
曾庆梅, 谢慧明, 潘见, 杨毅, 徐慧群, 黄训端, 赵阳楠. 超高压处理对枯草芽孢杆菌超微结构的影响. 高压物理学报, 2006 , 20 (1) : 83 -87 .
Qing-Mei ZENG, Hui-Ming XIE, Jian PAN, Yi YANG, Hui-Qun XU, Xun-Duan HUANG, Yang-Nan ZHAO. Effect of Ultra-High Pressure Processing (UHPP) on the Microstructure of Bacillus subtilis[J]. Chinese Journal of High Pressure Physics, 2006 , 20 (1) : 83 -87 .
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Year 2006 volume 20 Issue 1
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  • Receive Date：2004-10-09
  • Online Date：2026-11-01
  • Published：2006-03-05
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History
  • Received：2004-10-09
  • Revised：2005-11-28
Funding
Affiliations
    1.Key Laboratory of Bio-Process (Hefei University of Technology), Ministry of Education, Hefei 230009, China
    2.Anhui Province Import and Export Commodity Inspection and Quarantine Bureau, Hefei 230006, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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