Journal of Northeast Agriultural University(English Edition)

2009, v.16(03) 37-40

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Drying Technology of Angiotensin Converting Enzyme Inhibitory Peptide Derived from Bovine Casein
Drying Technology of Angiotensin Converting Enzyme Inhibitory Peptide Derived from Bovine Casein

摘要(Abstract):

Drying technology of angiotensin converting enzyme(ACE) inhibitory peptides derived from bovine casein was investigated. No signif icance was observed on ACE inhibitory activity of products prepared by spay drying and freeze drying(P>0.05) . Spay drying was the best drying process for practical industry production. The inlet temperature ranged from 140℃ to 160℃ and the exit temperature ranged from 70℃ to 90℃ during the spay drying process. Under the optimal conditions,scale-up of angiotensin converted enzyme inhibitory peptide from 1 L to 10 L and the experiment was successively conducted. Peptide yield was 29% and half inhibitory concentration(IC50) was 0.53 g · L-1.

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基金项目(Foundation): Supported by Scientific Research Foundation for Young Scholars of Heilongjiang Province of China (QC07C25);; The National High Technology Research and Development Program of China (2008AA10Z315)

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