Effect of Different Packaging Materials on the Quality of Muscat Grape Juice

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Abstract:

Grape juice drinks processed from Muscat grapes as raw material was filled in glass bottle, PP plastic bottle and PE plastic bottle respectively after high temperature sterilizing. Original grape juice acted as control, and then all kinds of nutrients, color and aromatic substances were determined to evaluate the effect of different packaging materials on grape drink quality. The results showed that the content of total acid, reducing sugar and soluble solids of three packaging samples were decreased to some extent, and the color changed significantly. To be more specific, PP plastic packaging samples had the greatest nutrients loss and the most obvious color change. The sample packaging with glass had the most aroma types, the best preservation of the linalool and the maximum content of Terpenoids Chemicals compared to the other two packaging materials. Altogether, the glass was the best package materials compared with the other two materials.

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194-197

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November 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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