MANUFACTURING METHOD OF PURIFIED TOCOPHEROL

PROBLEM TO BE SOLVED: To provide an efficient manufacturing method of purified tocopherol inhibited from coloration with the lapse of time. SOLUTION: The manufacturing method of purified tocopherol comprises a step of simple distillation of raw material tocopherol under a condition of a maximum colu...

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Bibliographic Details
Main Authors KASUGA SHINYA, SENDA TAICHI, NAKAJIMA YOSHINO, YOSHINO HIROSHI, MARUKAWA JUNKO
Format Patent
LanguageEnglish
Published 18.08.2011
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:PROBLEM TO BE SOLVED: To provide an efficient manufacturing method of purified tocopherol inhibited from coloration with the lapse of time. SOLUTION: The manufacturing method of purified tocopherol comprises a step of simple distillation of raw material tocopherol under a condition of a maximum column top temperature of 240°C or lower and/or a distillation time of at most 200 min. COPYRIGHT: (C)2011,JPO&INPIT
Bibliography:Application Number: JP20100020807