Process for producing tea concentrates

摘要

A process for preparing tea concentrates particularly those suitable for making cold soluble instant tea products. The process involves preparing an extract of tea leaves that contains insoluble tea solids and at least 5% soluble tea solids. The extract is treated with air or oxygen at a temperature between room temperature and 100 DEG C for 1 to 120 minutes; while cell wall material from a vegetable source is mixed with it prior to or after said treatment with said air or oxygen. The solubilised extract is filtered and concentrated to yield the tea concentrate.