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1033results about "Tea flavoring" patented technology

Recovery method for aroma components in production process for instant tea powder

The invention discloses a recovery method for aroma components in a production process for instant tea powder. The recovery method comprises the following steps: crushing tea into coarse powder by using a pulverizer, mixing the obtained tea powder with water and extracting aroma components in the tea; filtering tea soup obtained after extraction by using a multilayer plate and frame type filter press; subjecting a filtrate obtained after plate and frame type filtration to ultrafiltration so as to obtain a clear filtrate and subjecting the filtrate to vacuum concentration; subjecting a concentrate obtained after concentration to spray drying so as to obtain the tea powder, wherein solid content of the concentrate is 40 to 50 wt%; and with condensed water generated in the process of vacuum concentration as a material liquid for pervaporation, carrying out pervaporation membrane separation and subjecting concentrated aromatic substances in the tea to spray drying to recover the aromatic substances to the tea powder. According to invention, most aromatic substances in the tea can be recovered, the quality of the tea powder is improved, and the utilization rate of the tea is increased; compared with a traditional extractive distillation method and the like, the recovery method for the aroma components in the tea through pervaporation membrane separation has the advantages of high separability, low energy consumption, a mild operation temperature, no additive, etc.
Owner:NANJING UNIV OF TECH

Preparation method of osmanthus-fragrans red tea

InactiveCN104365882APrevention and treatment of stomach cold and gas painRelieve dry mouthPre-extraction tea treatmentTea flavoringDrying mouthDecayed teeth
The invention discloses a preparation method of osmanthus-fragrans red tea. The preparation method comprises the following processing steps: (1) material selection; and (2) scenting, wherein the scenting comprises the following steps: (a) osmanthus-fragrans preparing amount weighing, wherein the weight ratio of the osmanthus-fragrans preparing amount to red tea is equal to (20-25):100, (b) tea-base treatment, (c) osmanthus fragrans curing and sorting; (d) scenting and mixing; (e) spreading for heat dissipating; (f) re-heaping up and scenting; (g) osmanthus fragrans firing in reginement processing; (h) spreading for cooling; (i) osmanthus fragrans taking out; and (j) uniform stacking and boxing. The red tea prepared by adopting the preparation method is mellow and fragrant, the fragrance of the osmanthus fragrans and the flavor of tea are relatively well mixed, and the stomach cold and the pain caused by qi stagnation can be prevented; the effects of relieving dry mouth and tongue, moistening the intestines, relaxing the bowels and reducing gastrointestinal discomfort caused by distension are achieved; the effects of whitening skin and relieving vivotoxin are achieved; the osmanthus-fragrans red tea is used for treating ozostomia, toothache caused by wind and fire, toothache caused by stomach heat, and toothache caused by decayed teeth; the effect of warming yang is achieved, and the osmanthus-fragrans red tea is mainly used for treating hypertension with yang weakness.
Owner:苏州市东山茶厂
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