Process method for preparing cold brewing tea by ice crystallization cell wall breaking
A process method and technology of cold brewing tea, which is applied in the field of ice crystallization cell wall breaking to prepare cold brewing tea, and can solve problems such as adverse health effects
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[0028] The first step is to spray liquid nitrogen on the fresh tea leaves to lower the temperature below -40°C to make them ice crystallize;
[0029] The second step is to put the ice-crystallized tea leaves into a vacuum container;
[0030] The third step is twisting in a vacuum container;
[0031] The fourth step is to heat the vacuum container at a heating temperature of 70°C to 100°C;
[0032] The fifth step is to stir in a heated vacuum container until dry;
[0033] Instant cold brew tea.
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