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68results about How to "Long-lasting aroma" patented technology

Processing method for floral black tea

The present invention discloses a processing method for a floral black tea, and belongs to the field of tea processing methods. The processing method for the floral black tea comprises the following steps of A, drying green tea leaves in the sun, i.e., picking fresh tea leaves with one bud and one or two leaves, drying the green tea leaves in the sun until the weight of the fresh tea leaves is reduced by about 10% and the leaves slightly wither and lose luster, and taking the leaves indoor to carry out airing; B, airing the green tea leaves, i.e., airing the green tea leaves to cool the leaf temperature to room temperature; C, shaking the green tea leaves, i.e., standing the fresh tea leaves still until the leaves is cooled down, carrying out shaking three times separately, and after shaking of each time, spreading the leaves and airing the leaves for a certain time; D, stacking the green tea leaves, i.e., stacking the shaken green tea leaves in baskets or hampers for a certain time, and slightly compressing the leaves to appropriately increase the leaf temperature and enhance aroma; E, withering the leaves; F, rolling the leaves; G, fermenting the leaves at room temperature until 80-90% of tea strips change to red; and H, drying the leaves, i.e., stir-drying the leaves at high temperature using a stir dryer until the leaves are medium-dry, and baking the leaves to complete dryness using a baking dryer. The processing method can produce a floral black tea with stable quality, rich floral aroma and mellow flavor.
Owner:湖南省茶叶研究所 +1

Method for making naked green tea

The invention relates to a method for making tea, and in particular relates to a method for making naked green tea. The method comprises the following steps: 1) spreading green tea leaves; 2) removing water; 3) kneading; 4) performing primary baking; 5) finely kneading, namely, finely kneading the primarily baked tea leaves by using a fine kneading machine, setting the temperature at 70 DEG C, feeding 5kg of the leaves, and kneading for 30-40 minutes so as to obtain the tea leaf bars which are compact, fine, round and straight, like pine needles in shape and green and smooth in color, taking out the tea leaves, and spreading out for 30 minutes; 6) drying and enhancing the fragrance, namely, drying till the moisture content is 5-6% and subsequently enhancing the fragrance. Compared with a conventional green tea making process, the method for making the baked green tea, which is provided by the invention, additionally adopts a fine kneading procedure for enabling the bars to be fine and compact, fixing the fresh and green color and promoting the formation of fragrance and taste of green tea, and thus the made baked green tea has the advantages that the tea bars are fine, round and straight, the tea leaves are resistant to water soaking, the leaves are long-lasting in fragrance, the buds and the leaves are complete, the tea can be stored, the color is green and smooth, and the like.
Owner:谢荣富

Preparation method of golden peony white tea

The invention belongs to the field of processing of tea leaves, and particularly relates to a preparation method of a golden peony white tea. The preparation method specifically comprises the following steps of using high-quality fresh leaves of golden peonies serving as a national level good tea tree variety as raw materials, wherein the high-quality fresh leaves are selected from one or several kinds of fresh tea leaves with a single bud, one bud and one leaf, and one bud and two leaves; and sunning for the first time, rocking for the first time, spreading for the first time, rocking for the second time, withering, sunning for the second time, spreading for the second time and drying so as to obtain finished products.The white tea prepared by the preparation method disclosed by the invention is complete in shape and grayish green or dark green in color; the buds and the leaves are covered with pekoe, so that the white tea has silvery white gloss; the white tea has distinct fragrance of flowers and fruits, and the fragrance is natural and long. When the preparation method disclosed by the invention is used, the activity of enzymes in the tea leaves can be improved, the transformation and the formation of soluble matters including amino acids, saccharide and the like are facilitated, and the freshness and the refreshing degree of the tea leaves are increased, so that the taste of the tea leaves is good; besides, the transformation of matters is sufficient, so that the tea which is preserved for one year can achieve the quality level of the tea which is prepared by a conventional method and preserved for 2-3 years.
Owner:SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI

Black tea fermentation process

The invention provides a black tea fermentation process, and relates to the technical field of tea preparation process. The black tea fermentation process comprises the following steps: putting rolled tea into bamboo pans; uniformly spreading to be 10 to 15cm in thickness; putting the bamboo pans on an iron shelf, wherein the bamboo pans are at height intervals of 20 to 25cm; then covering the tea with wet towels or wet cloth to ferment, wherein the room temperature is kept to be 25 to 30 DEG C, and the mass humidity is kept to be higher than 95% during fermentation of the tea, and the fermentation needs 1.5 to 5 hours; the season for picking spring tea is relatively low in temperature, the average daily temperature is 10 to 17 DEG C, and thus the spring tea needs 2 to 5 hours to ferment; summer and autumn are relatively high in temperature, the average daily temperature is 20 to 40 DEG C, and thus the summer tea needs 1.5 to 3 hours to ferment; in fermentation, various chemical components in the black tea obviously change, and the external characteristics of the black tea also change regularly, namely, the leaves color changes from dark green to yellow green, yellow, reddish yellow, yellowish red, red and dark red in sequence; the flavor changes from green grass, faint scent and flower flavor in sequence. The black tea prepared by the fermentation method shows a stripy, dull black and oily appearance and has a little gold hair; the flavor is heavy and lasts long; the tea soup is red, uniform and bright, tastes mellow and is sweet after taste; the leaves bottoms are red, uniform and bright, and delicious.
Owner:周学付

Air conditioner filter containing wormwood

The invention discloses an air conditioner filter containing wormwood. The air conditioner filter includes a shell, wherein two symmetrical and transversely-arranged limiting plates are fixedly installed on the inner walls of the two sides of the shell; the shell is divided into a first filter element chamber and a second filter element chamber which are arranged up and down by the two limiting plates; symmetrically-arranged limiting devices are fixedly installed on the inner walls of the two sides of the first filter element chamber and the inner walls of the two sides of the second filter element chamber. A first filter element is clamped in the first filter element chamber through the corresponding limiting devices; a second filter element is clamped in the second filter element chamberthrough the corresponding limiting devices. Air flowing into the vehicle is subjected to sterilization, odor removal, filtration and the like through the first filter element; a wormwood layer in thesecond filter element can slowly release fragrance, the fragrance enters a vehicle together with the air through an air outlet to keep the lasting fragrance effect in the vehicle, and the air in thevehicle has the effects of resisting allergy and protecting the skin. The first filter element and the second filter element can be conveniently assembled and disassembled through the limiting devices, the two filter elements can also be independently used, and the flexibility of equipment is improved.
Owner:馆陶县科学技术局
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