Study of the effect of water activity on lipid oxidation = 지방산화에 미치는 수분활성도의 영향에 관한 연구

The effects of water activity on lipid oxidation were studied in freeze-dried emulsion composed of linoleic acid and gelatinized soluble starch. Water activity of freeze-dried emulsion was adjusted by peristaltic pump in closed system at constant temperature. The apparatus showed high efficiency in both cases of water activity determination and adjustment. It was possible to check the degree of oxidation by peroxide value test. Lipid oxidation was checked in the water activities of 0.11 and 0.65. The reaction rate of oxidation was faster in the water activity of 0.65 than that of oxidation in the water activity of 0.11 as shown in peroxide value change vs. incubation time. In order to compare the reaction rate constants, the peroxide values were evaluated kinetically. The kinetic data indicated that in cases of water activities 0.01 and 0.65, reaction rate constants were different in the monomolecular decomposion period of hydroperoxide, but those were equal in the bimolecular decomposition period, of hydroperoxide.
Advisors
Rhee, Joon-S.researcher이준식researcher
Publisher
한국과학기술원
Issue Date
1984
Identifier
64054/325007 / 000821212
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 생물공학과, 1984.2, [ v, 45 p. ]

URI
http://hdl.handle.net/10203/28174
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=64054&flag=t
Appears in Collection
BS-Theses_Master(석사논문)
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