Abstract Title

GMP Substitution in Brownies for PKU Patients

Additional Funding Sources

This project is supported by the American Chemical Society Project SEED Program.

Abstract

Glycomacropeptide (GMP) is a naturally occurring short-chain protein produced during cheese processing. GMP contains almost all essential amino acids except for phenylalanine (Phe). Phe is not able to be digested by individuals born with the inherited disorder Phenylketonuria (PKU). Consumption of proteins with Phe can be lethal to people with PKU making dietary supplements a requirement. Avoiding protein in one’s diet is very difficult to achieve and limits the food options available for sustenance. By creating new brownie formulations with different percentages of GMP replacing the eggs and flour, the moisture, color, height, sensory, and Phe content of the brownies were tested and compared to the control. After a thorough analysis of the data, formulation 1C was chosen as the closest to the control for the taste and height aspect. At the same time, 1A reflects closer to the control on moisture and color.

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GMP Substitution in Brownies for PKU Patients

Glycomacropeptide (GMP) is a naturally occurring short-chain protein produced during cheese processing. GMP contains almost all essential amino acids except for phenylalanine (Phe). Phe is not able to be digested by individuals born with the inherited disorder Phenylketonuria (PKU). Consumption of proteins with Phe can be lethal to people with PKU making dietary supplements a requirement. Avoiding protein in one’s diet is very difficult to achieve and limits the food options available for sustenance. By creating new brownie formulations with different percentages of GMP replacing the eggs and flour, the moisture, color, height, sensory, and Phe content of the brownies were tested and compared to the control. After a thorough analysis of the data, formulation 1C was chosen as the closest to the control for the taste and height aspect. At the same time, 1A reflects closer to the control on moisture and color.