Used in research settings to detect and quantify egg yolk hyperphosphoprotein phosphopeptides in biological samples. Commonly applied in food science to study egg allergens and protein digestion. Supports development of hypoallergenic food products by monitoring phosphopeptide levels during processing. Also utilized in immunology studies to understand immune responses to egg-derived peptides. Enables accurate measurement of phosphopeptide markers in dairy and infant formula testing. Suitable for in vitro diagnostic research related to food allergies and nutrient absorption.