Preparation method of Yunnan black tea extract and use thereof

Abstract

The invention relates to a method for preparing extract of yunnan black tea and application thereof. The extract is prepared and obtained by extraction with ultrasonic extraction method and the combination of silica gel chromatographic separation method; the extraction processes comprise fetching of yunnan black tea, ultrasonic extraction, silica gel chromatographic separation, concentration, and obtaining of extract in sequence. When the extract of yunnan black tea is added to the tobacco of cigarettes, the invention can cause the fragrance of cigarettes to be permeable and abundant, the smell of cigarettes to be refined and fine, and the rest smell to be significantly improved in the aspect of comfort. Compared with the traditional extraction method, by using the yunnan black tea which is extracted by the ultrasonic wave of mixed solvent, the dosage ethanol is greatly reduced, the extracting and heating time is shortened, and the extraction efficiency is improved; by combining the silica gel chromatographic separation, the quality and purity of active ingredient is improved. The method relates to uncomplicated equipment, is easy for operation, has no pollution, and provides an improved extraction method which has good effect for the preparation of the extract of yunnan black tea.

Description

Technical field:

[0001] The invention relates to the extraction and application of tea leaves in natural spices, in particular to a preparation method and application of Yunnan black tea extract. Background technique:

[0002] China is the hometown of tea and the earliest country to discover and use tea. Tea has many functions such as medicinal and edible. Tea extract contains amino acids and a variety of natural active ingredients, such as polyphenols, catechins, polysaccharides, vitamins, alkaloids, etc., which have the functions of refreshing, tooth-fixing, anti-caries, anti-inflammatory, anti-radiation and anti-cancer. With low side effects, it is a versatile natural plant extract that is widely used in food, beverage, cosmetics and other industries.

[0003] Dian black tea is one of the six major teas in my country; its extract is a traditional tobacco additive material, which has the effect of long-lasting fragrance and improving the smoking taste and aroma quality of cigar...