Process for production of powdered tea product
US4063994A · kind A · utility
1Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1976 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Apr 12, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23F3/225
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Dried tea flakes are prepared by vacuum drum drying a tea extract having a solids content of 40-55% which extract is applied to the drum in a film having a thickness of between 0.065 and 0.005 cm. The drum is maintained at an internal temperature of 95.degree.-125.degree. C. Water is evaporated from the film under vacuum from 3-15 torr over a period of from 10-150 seconds to result in a dried product having an apparent density of less than 12 grams per 100 cc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.