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California Polytechnic State University, San Luis Obispo

Antimicrobial peptide

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Full-Text Articles in Life Sciences

Determining Antimicrobial Activity In Hydrolysates Obtained From Buttermilk Substrates By Trypsin And Pepsin, Deborah Kim, Karen Ramun, Stephanie Carpintero, Suyapa Padillo, Antonio-Jose Trujillo, Rafael Jimenez-Flores Aug 2015

Determining Antimicrobial Activity In Hydrolysates Obtained From Buttermilk Substrates By Trypsin And Pepsin, Deborah Kim, Karen Ramun, Stephanie Carpintero, Suyapa Padillo, Antonio-Jose Trujillo, Rafael Jimenez-Flores

STAR Program Research Presentations

Milk proteins within their structure and sequence, contain peptides that exhibit antithrombotic, immunomodulatory, antimicrobial, antihypertensive, and other bioactivities. These peptides are released as the enzymes cleave milk proteins at certain locations of the amino acid chains. In this research, four different substrates were hydrolyzed with the gastrointestinal enzymes, pepsin and trypsin. The substrates were buttermilk (BM) and whey buttermilk (WBM), which are waste products of butter and cheese production, and supercritical CO2 fluid (SFE) treated buttermilk (S-BM) and whey buttermilk (S-WBM). SFE acts as a solvent which removes triglycerides from the substrates and changes the overall composition of samples. …