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Thai National AGRIS Centre was established in March 13, 1980 by General National FAO Committee, Ministry of Agriculture and Cooperatives cooperated with Food and Agriculture Organization of the United Nations. Collects information related to agricultural sciences and technologies produced/printed in Thailand including those of agricultural information about Thailand produced/printed in abroad Technical management of agricultural information system: indexing, cataloging, creating Thai Agricultural Database Care and preservation of valuable agric [...]

Journal Article

期刊文章

Rancidity of coconut oil  [1989]

Sukoncheun Sringam; Siriwan Nettiwarawon (Kasetsart Univ., Bangkok (Thailand). Faculty of Agro-Industry. Dept. of Food Science and Technology);

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Three types of rancidity of coconut oil were studied; hydrolytic one by adding enzyme lipase, ketonic one by adding rotten coconut meat and the last one, oxidative, by adding oxygen in Rancimat apparatus. Free fatty acid,ketone contents and induction time and complete oxidation time were measured as the results of hydrolytic, ketonic and oxidative rancidity, respectively. Rancidity odor of the first 2 types was very repulsive and dependent on the concentration of free fatty acid and ketone. The odor of the oxidative one was mild. The oxidative stability of coconut oil was 4.8 times of rice bran oil. Major rancidities occurred in coconut oil were believed to be the hydrolytic and ketonic types. The lowest concentrations of free fatty acid and ketone that 50 untrained panel could detect were 0.26 % and 0.082 mg./g. Over 60 % of the panelists did not accept the rancidity odors.
来自期刊
Witthayasan Kasetsart sakha Witthayasat
ISSN : 0075-5192

书目信息

语言:
Thai
类型:
Numerical data
自何时收录于AGRIS:
1994
卷:
23
期:
3
起始页:
260
结束页:
266
所有题名:
"Rancidity of coconut oil"@eng
其它:
"Summaries (En, Th)"
"5 tables."
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书目信息

语言:
Thai
类型:
Numerical data
自何时收录于AGRIS:
1994
卷:
23
期:
3
起始页:
260
结束页:
266
所有题名:
"Rancidity of coconut oil"@eng
其它:
"Summaries (En, Th)"
"5 tables."