LUMEX鲁美科思分析仪器
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分析测试百科网 > 鲁美科思 > 资料下载 > DETERMINATION OF D- AND L- ISOMERS OF TARTARIC AND MALIC ACIDS IN WINES, WINE MATERIALS, AND FOOD ADDITIVES
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DETERMINATION OF D- AND L- ISOMERS OF TARTARIC AND MALIC ACIDS IN WINES, WINE MATERIALS, AND FOOD ADDITIVES
发布时间：
2022-01-20 11:36
来源：LUMEX鲁美科思分析仪器
| 领域： | 酒类 | ||
| 资料类型： | 其他资料 | ||
| 资料文件名 | 下载 |
|---|---|
DETERMINATION OF D- AND L- ISOMERS OF TARTARIC AND MALIC ACIDS IN WINES, WINE MATERIALS, AND FOOD ADDITIVES |
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Naturally occurred is predominantly L-form of tartaric acid whereas its D-form and the relevant racemic mixture can be artificially synthesized. Generally, artificial acidification of wine with tartaric acid is allowed by OIV, but only pure L-form must be used for this purpose. Thus the analysis of tartaric acid isomers either in food additives or directly in wine can be an important parameter in clarifying any deviations in wine production. Analysis of isomers of malic acid is also within the necessary oenological procedures stated in OIV recommendations.
