Feed additive including resveratrol from mulberry stem as a antibiotic alternative and its feeding method

摘要

PURPOSE: A feed additive containing mulberry branch-derived resveratrol, a food composition containing thereof, and a feeding method thereof are provided to offer the excellent biological active effect. CONSTITUTION: A feed additive containing mulberry branch-derived resveratrol is obtained by the following steps: compressing and drying mulberry leaves and branches; grinding the compressed mulberry leaves and branches for obtaining solid portions; mixing the solid portions with an organic solvent for dissolving, and filtering to obtain an extract; removing the organic solvent from the extract, and obtaining solids; and mixing 0.7~1wt% of obtained solids, 35~45wt% of silica, 35~45wt% of wheat shorts, and 10~20wt% of soda ash. The organic solvent is ethanol.