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PASTEURISATION PROCESS FOR MICROBIAL CELLS AND MICROBIAL OIL
专利权人:
DSM IP Assets B.V.
发明人:
Albert SCHAAP,Daniel VERKOEIJEN
申请号:
US15248065
公开号:
US20170081684A1
申请日:
2016.08.26
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An improved pasteurisation protocol for pasteurising microbial cells is disclosed. The protocol has three stages, a first heating stage, a second plateau stage at which the cells are held at a (maximum and) constant temperature, and a third cooling stage. Both the heating and the cooling stages are rapid, with the temperature of the cells passing through 40 to 80° C. in no more than 30 minutes in the heating stage. The heating rate is at least 0.5° C./minute and during cooling is at least −0.5° C./minute. The plateau maximum temperature is from 70 to 85° C. By plotting the pasteurisation protocol on a time (t, minutes) versus temperature (T, ° C.) graph, one obtains a trapezium having an area less than 13,000° C. minute. Not only does this result in a smaller energy input (and so a reduction in costs), but a better quality (and less oxidised) oil results having a peroxide value (POV) of less than 1.5 and an anisidine value (AnV) of less than 1.0.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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