Also, some Japanese tea companies refrigerate their tea.
http://www.japanesegreenteaonline.com/faq2.htm (1 degree Centigrade)
http://www.zencha.net/ (cold storage)
http://www.o-cha.com/green-tea-faqs2.htm (cold storage)


>Mike Petro > wrote in
>...
> I like the Japanese method where they package the tea
> in nitrogen sparged end-consumer packages at the processing plant.
>...