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tea leaves fresh-keeping cold storage
May 02, 2018

       Now more and more tea merchants are choosing to build tea fresh-keeping cold storage.

As we know, tea leaves if put in normal environment, will lose drinking value as its chemistry changed causing color, fragrance, taste deterioration.

  Once happened, its properties will be abnormal, directly influencing the tea leaves water content, odor, color and other factors.


  What is a tea fresh-keeping cold storage like?

General cold storage engineering has strict requirements for tea leaf fresh-keeping cold storage in temperature, humidity, shade etc.. only all parameters are met can ensure tea leaves quality.

What is the normal temperature for tea leaves fresh-keeping cold storage?

generally the tea leaves cold storage required temperature is about 0-5℃.

Haocool refrigeration suggest green tea leaves fresh-keeping cold storage temperature controlled to be around 8℃, Oolong tea and tieguanyin tea 5 ℃.

And the storage time is related also, if you want to store up to 6 months, the tea cold storage stay 0-5℃, if over half year, we suggest using lower temperature as to -10~-18℃.

And if stored in cold storage we cannot ignore at rest.  Tea leaves will change as time went by, usually from browning, aging, decreased freshness. If it is not dealt with properly, the tea leaves quality will deteriorate, especially for green tea.


  What needs to be taken care of besides cold storage?

Haocool has found it has to deal with oxygen content properly to keep tea leaves fresh longer. So besides cold storage, we need to avoid sunshine, decrease oxygen content, and if possible, invest controlled atmosphere equipment for tea leaves fresh-keeping cold storage.

  And the temperate of tea leaves cold storage cannot be instable.

As we know, the temperature decides the speed of chemical action. High temperature will prompt the deterioration of tea leaves quality, low temperature can decrease. So we must pay attention to the temperature and humidity change, if change is too much, we can adjust it well back to necessary level.

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