The invention relates to the field of beverage preparation, in particular to a beverage preparation technology. The beverage preparation technology comprises the following steps of (a)
drying the olive leaves, crushing, screening, weighing, extracting by composite
enzymatic hydrolysis, sucking and filtering, and fixing capacity;
drying the
lotus leaves, crushing, screening, weighing, extracting byhot water, sucking and filtering, and fixing capacity;
drying the
ginkgo leaves, crushing, screening, weighing, extracting by hot water, sucking and filtering, and fixing capacity; drying the liquorice root,
slicing, screening, weighing, extracting by hot water, sucking and filtering, and fixing capacity; (b) mixing the extracting solution of
olive leaf, extracting solution of
lotus leaf, extracting solution of
ginkgo leaf, and extracting solution of liquorice root in step (1) according to a volume ratio of 15:2:2:1, and adding the white granulated
sugar according to a ratio of 2:100(g / ml) (white granulated
sugar to mixed liquid). The beverage has the advantages that the value of the
olive leaf is fully utilized; the effects of clearing heat, relieving
sore throat, removing
phlegm, producing
body fluid, tonifying the
spleen, detoxifying, and protecting the liver are realized.