Continuous Hydrolysis of Goat Whey in an Ultrafiltration Reactor: Generation of Alpha-Lactorphin

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Abstract
Bovine whey hydrolysate has been developed and applied to areas such as nutrition, culture media, and isolation of bioactive peptides. In order to produce such a type of hydrolysate, it is possible to use goat whey which constitutes also a food processing by-product. Enzymatic hydrolysis of goat whey by pepsin was carried out in a continuous ultrafiltration reactor. The permeate contained peptide hydrolysate that was resolved by RP-HPLC. Second order derivative spectroscopy, amino acid analysis, and mass spectrometry revealed the presence of a biologically active peptide called alpha-lactorphin. This constitutes preliminary information about goat whey enzymatic degradation for future applications.