PRODUCTION METHOD OF TEA LEAF EXTRACT, DETERIORATION SUPPRESSION METHOD FOR TEA POWDER, TEA GRANULE AND PRODUCTION METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a production method of a tea leaf extract capable of extracting a tea leaf extraction from unrefined tea.;SOLUTION: The production method of a tea leaf extract comprises: an extraction step for extracting unrefined tea using natural mineral water, electrolytic water or mixed water thereof at a prescribed temperature; and a filtration step for removing tea grounds from the extract extracted in the extraction step. The produced tea leaf extract can be used for a tea granule preferably, and the tea granule can be produced using a fluid bed granulator 2. The fluid bed granulator comprises a granulation tank 4 and a spray device 16, heated air is supplied into the granulation tank for floating tea powders, then in a floated state of the tea powders, the tea leaf extract is sprayed from the spray device for making the tea powders granules.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT