FRESHNESS-MAINTAINING AGENT HAVING REDUCED OFF-FLAVOR

[Problem] To provide a freshness-maintaining agent having reduced off-flavor containing monomenthyl glutarate. [Solution] Disclosed is a composition containing high-purity monomenthyl glutarate having a content of dimenthyl glutarate of 5 mass% or lower in a freshness-maintaining agent comprising mo...

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Bibliographische Detailangaben
Hauptverfasser:	FUNABASHI, KUMIE, KOBAYASHI, MUNETAKA, MASUDA, YUI, TAKABAYASHI, SACHIKO, MURASAWA, SHOGO
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMISTRY DETERGENTS ESSENTIAL OILS FATTY ACIDS THEREFROM FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HUMAN NECESSITIES METALLURGY PERFUMES PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Beschreibung
Zusammenfassung:	[Problem] To provide a freshness-maintaining agent having reduced off-flavor containing monomenthyl glutarate. [Solution] Disclosed is a composition containing high-purity monomenthyl glutarate having a content of dimenthyl glutarate of 5 mass% or lower in a freshness-maintaining agent comprising monomenthyl glutarate and dimenthyl glutarate. Such a composition can be obtained efficiently by a preparation method including a step for extracting monomenthyl glutarate as an alkali salt from a composition containing monomenthyl glutarate and dimenthyl glutarate in which the latter is present in an amount exceeding 5%. Le problème abordé par la présente invention est de pourvoir à un agent de conservation de la fraîcheur contenant un glutarate de monomenthyle ayant un défaut d'arôme réduit. La solution selon l'invention porte sur une composition contenant un glutarate de monomenthyle de pureté élevée ayant une teneur en glutarate de dimentyle de 5 % en poids ou moins dans un agent de conservation de la fraîcheur contenant un glutarate de monomenthyle et un glutarate de dimenthyle. Cette composition peut être obtenue de manière efficace par un procédé de préparation comprenant une étape d'extraction du glutarate de monomenthyle sous forme de sel alcalin d'une composition contenant un glutarate de monomenthyle et un glutarate de dimenthyle dans laquelle ce dernier est présent en une quantité supérieure à 5 %.