Effect of Shelf-Life and Light Exposure on Acetaldehyde Concentration in Milk Packaged in HDPE and PETE Bottles

Topics:
Food and Beverage
Tags:
Food & Beverage,
Manufacturing,
Threshold,
Virginia Polytechnic Institute
Source:
Virginia Polytechnic Institute and State University

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Overview: Poly (ethylene terephthalate) (PETE) packaging is one of the popular choice of packaging material for milk, but has the disadvantage of releasing odorous acetaldehyde into food matrices. Sensory detection group thresholds for acetaldehyde in whole, low fat and nonfat unflavored milks were 3939, 4020, and 4040 ppb respectively with no significant difference due to fat level. Chocolate flavored milk and spring water showed detection thresholds levels for acetaldehyde of 10048 and 167 ppb respectively. This paper uses this information to determine if acetaldehyde migration from the package to the product would influence the flavor of the product.

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Format: PDF | Size: 847KB | Date: Feb 2000 | Pages: 87

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