METHOD FOR RETAINING FRESHNESS OF VEGETABLES AND FRUITS OR FLOWER TREES

摘要

PURPOSE: To effectively retain freshness of vegetables and fruits or flower treating a method being extremely safe also on food sanitation by treating these vegetables and fruits of flower trees with strawberry juice or strawberry extract obtained by extracting strawberry with water or a hydrophilic organic solvent. ;CONSTITUTION: Strawbrry is immersed in water and/or hydrophilic organic solvent (e.g. 80% methanol solution) and mashed with a homogenizer to carry out extract treatment and the mixed liquid is filtered to remove an insoluble matter and the extracted liquid is concentrated and subjected to freeze drying and then the dried material is ground into power in a glass mortar to provide strawberry extract. Then, the strawberry extract is dissolved in water to prepare a solution containing freshness-retaining agent. This solution containing the agent is applied to cut branch section, root part, etc., of vegetables and fruits or flower trees for 5 min to absorb therein and to effectively retain freshness of vegetables and fruits or flower trees by a method which is extremely safe also on food sanitation.;COPYRIGHT: (C)1994,JPO&Japio