[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5851/kosfa.2015.35.3.350

Improved Functional Characteristics of Whey Protein Hydrolysates in Food Industry

Jeewanthi, Renda Kankanamge Chaturika (Department of Food Science and Biotechnology of Animal Resources, Konkuk University)
Lee, Na-Kyoung (Department of Food Science and Biotechnology of Animal Resources, Konkuk University)
Paik, Hyun-Dong (Department of Food Science and Biotechnology of Animal Resources, Konkuk University)

Publication Information

Food Science of Animal Resources / v.35, no.3, 2015 , pp. 350-359 More about this Journal

Abstract

This review focuses on the enhanced functional characteristics of enzymatic hydrolysates of whey proteins (WPHs) in food applications compared to intact whey proteins (WPs). WPs are applied in foods as whey protein concentrates (WPCs), whey protein isolates (WPIs), and WPHs. WPs are byproducts of cheese production, used in a wide range of food applications due to their nutritional validity, functional activities, and cost effectiveness. Enzymatic hydrolysis yields improved functional and nutritional benefits in contrast to heat denaturation or native applications. WPHs improve solubility over a wide range of pH, create viscosity through water binding, and promote cohesion, adhesion, and elasticity. WPHs form stronger but more flexible edible films than WPC or WPI. WPHs enhance emulsification, bind fat, and facilitate whipping, compared to intact WPs. Extensive hydrolyzed WPHs with proper heat applications are the best emulsifiers and addition of polysaccharides improves the emulsification ability of WPHs. Also, WPHs improve the sensorial properties like color, flavor, and texture but impart a bitter taste in case where extensive hydrolysis (degree of hydrolysis greater than 8%). It is important to consider the type of enzyme, hydrolysis conditions, and WPHs production method based on the nature of food application.

Keywords

whey protein; whey protein hydrolysate; enzymatic hydrolysis; functionality; food application;

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Times Cited By KSCI : 2 (Citation Analysis)

Reference
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