Effect of the lactoperoxidase system on lipoprotein lipase activity and lipolysis in milk-Reference-Cited by-同舟云学术

Effect of the lactoperoxidase system on lipoprotein lipase activity and lipolysis in milk

Published:1985-11 Issue:4 Volume:52 Page:513-520
ISSN:0022-0299
Container-title:Journal of Dairy Research
language:en
Short-container-title:Journal of Dairy Research

Author:

Ahrné Lennart,Björck Lennart

Abstract

SUMMARYThe lactoperoxidase/SCN-/H2O2system (LPS) was found to inhibit lipoprotein lipase (LPL) in milk. Inhibition was related to the amount of SCN-/H2O2added to milk. Lipolysis was unaltered until LPL activity was decreased to <40% of the original activity. When LPL was inhibited further, decreased lipolysis was observed. Purified LPL was also inhibited by LPS, at similar concentrations of SCN-/H2O2as in milk. It was shown that non enzymically prepared OSCN-inhibited LPL at concentrations comparable to those produced by the LPS. Cysteine could eliminate the effect of LPS on LPL. The sulphydryl reagents dithiobisnitrobenzoic acid and Na tetrathionate had no effect on LPL activity.

Publisher

Cambridge University Press (CUP)

Subject

Animal Science and Zoology,General Medicine,Food Science

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