The effect of high pressure on the microbial quality of apple juices

被引：0
|
作者：
Boyd, A [1 ]
Patterson, MF [1 ]
McCracken, A [1 ]
Mackey, B [1 ]
机构：
[1] Queens Univ Belfast, Dept Food Sci Food Microbiol, Belfast BT9 5PX, Antrim, North Ireland
来源：
ADVANCES IN HIGH PRESSURE BIOSCIENCE AND BIOTECHNOLOGY | 1999年
关键词：
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Six fresh apple juice samples were exposed to high pressure treatments, ranging from 250 to 400 MPa for 5 min at 20 degrees C. All the juices exhibited a significant reduction in total viable counts immediately post pressurisation. The pressurised samples were stored at 4 degrees C and sampled monthly. Counts from juices pressurised up to 350 MPa increased after 1 months storage, whereas 400 MPa treated juice did not increase in counts until 2 months storage. The surviving microbial population of the juices was found to be predominately yeasts, e.g. S. cerevisiae, Candida species, Zygosaccharomyces spp. and Rhodotorula spp., and moulds, e.g. Penicillium spp.
引用
收藏
页码：125 / 128
页数：4
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