| 摘要 |
PURPOSE:An agent for accelerating color development and increasing the saccharide content in citrus fruits, which is obtained as an extract by extracting the culture mixture of mycelia of an edible mushroom belonging to Basidomycetes and is safe to man and the trees with enabling the earlier shipment of the fruits. CONSTITUTION:The mycelia of an edible mushroom belonging to Basidomycetes such as shiitake mushroom are cultured in a solid or liquid culture medium and the culture mixture is extracted with an aqueous culture medium and the extract is utilized as said agent. The culture medium is preferably bagasse culture medium containing 10 parts of bagasse and 1 part of maltose from rice as a solid one because they are inexpensive and readily available. As the liquid culture medium, GPY medium containing glucose, pepton and yeast, MY medium containing powdered malt essence and yeast, and others are recommended. Preferred aqueous solvent is water. |
