Preparation method of fructus forsythiae dark tea

Abstract

The invention discloses a preparation method of fructus forsythiae dark tea. The preparation method comprises the following steps: (1) picking of green tea leaves; (2) fermentation of raw leaves; (3)sterilizing; (4) rolling; (5) re-packaging, wrapping-twisting and scattering; (6) tea frying; (7) gathering with a shallow basket; and (8) packaging of a finished product. The method mainly comprisesthe following steps: picking fructus forsythiae leaves with fleshy mesophyll and thick stems from June to August, and fermenting the fructus forsythiae leaves for 3-5 hours at 28-30 DEG C until the fructus forsythiae leaves become yellowish brown from dark green and give out light grass fragrance; carrying out enzyme deactivation at 220-240 DEG C for 3-5 minutes; performing rolling for 30-40 minutes, and then repeatedly conducting wrapping-twisting 4-6 times until forming is realized; and conducting stir-frying at a temperature of 200 DEG C for 15-20 minutes. The fructus forsythiae dark tea produced by the method has the effects of clearing away heat and toxic materials, helping produce saliva and slake thirst, resisting bacteria and inducing diuresis, invigorating stomach and increasing appetite, is pure in fragrance and strong in taste, belongs to a pure natural tea product suitable for people of all ages, and has great health-care value and market value.

Description

technical field [0001] The invention relates to the field of tea preparation, in particular to a method for preparing forsythia black tea from forsythia leaves. Background technique [0002] Forsythia is a commonly used Chinese medicinal material and one of the 40 bulk medicinal materials in my country, with a long history of application. It has the effects of clearing heat, reducing swelling and dispelling stagnation. It is the main medicine for treating exogenous febrile diseases, febrile stranguria with urinary retention, sores and swelling. In recent years, with the in-depth research on forsythia resources, it was found that the content of active ingredients such as forsythin, forsythiatin, and oleanolic acid in the leaves of forsythia were higher than those in the fruit, and the leaves of forsythia were also rich in Mg, Zn, Se and other essential elements for the human body, forsythia leaf extract has significant in vivo and in vitro antioxidant and hepatoprotective ef...

AI Technical Summary

Problems solved by technology

Forsythia black tea prepared from forsythia leaves in the market usually follows the existing dark tea preparation method, which generally contains less effective substances, and lacks tea aroma and brown color