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Further Investigations on the Properties of the 2,4-Dinitrophenylhydrazine Derivatives of Diacetyl, α-Acetolactic Acid, and Acetoin

✍ Scribed by R. C. LINDSAY; E. A. DAY; W. E. SANDINE

Book ID
108797030
Publisher
Institute of Food Technologists
Year
1964
Tongue
English
Weight
206 KB
Volume
29
Category
Article
ISSN
0022-1147

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✍ J. C. de Man 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 286 KB

## Abstract Of several ions tested, only Fe^+3^, Cu^+2^ and Al^+3^ catalysed the decarboxylation of α‐acetolactic acid at pH 4.8. At pH 2.2, only Fe^+3^ and Cu^+2^ were active. Fe^+3^ and Cu^+2^ were shown to form complexes with α‐acetolactic acid. Fe^+3^ and Cu^+2^ not only decarboxylated but a