Tasting tea to drink tea to be told to a lot of people is emotional appeal of a kind of life, feeling talks on tea desk, talking about life is very cozy business. But the life as a result of business, people spends idea lesser and lesser to drink tea, a lot of tea also spent the expiration period in deposit. So is the expiration period of tea how long? Can be the tea that spent the expiration period still drunk after all? Drank overdue tea to have harm to the body? It is the doubt that at present a lot of people give out 3 even.
Today, small make up in the light of different tea kind, comb a different expiration period, hope everybody can have to the expiration period of tea roughly understanding.
General product has the expiration period, tea serves as one of food, nature of branch of national provision sanitation also established corresponding standard, made demarcate to the expiration period. Just, the expiration period of tea and its breed are concerned, nature of different breed expiration period is different also. So of the expiration period to tea make, compare commonly " ambiguous " .
Green tea
The expiration period of green tea is the briefest, in making circuit because of green tea, ferment without the course, deteriorate very easily so. Generally speaking, normal temperature issues the expiration period to be in 1 year or so, if store undeserved sentence is possible 8, 9 months begin to appear withered and yellow, change the phenomenon such as flavour.
Yellow tea
The making working procedure of yellow tea compares green tea merely much the process that fizzles out frowzily together, yellow tea existence feels lower, on the market rare sale, its expiration period is the same as green tea close, control one year commonly.
White tea
White tea is slight ferment tea, contrast of the photograph that make is simpler, held the former juice raw ingredient of tea adequately. Because the course ferments, so the expiration period is lengthened greatly. Common saying says: "A year of tea, 3 years of medicine, 7 years of treasure. " if white tea is drunk in those days, tea sex is cold cool, property of a medicine wants a few lower. After setting particular a particular year, mouthfeel does not fall to rise instead, property of a medicine also is met more apparent.
Green tea
Green tea, namely oolong, belong to ferment partly tea, the word that is put in the cold storage in freezer generally speaking also is controlled with respect to 18 months. And pass bake those, for example Wu Yiyan tea, even if put 2 years to still also can be drunk. If be a variety of oolong tea of conventional old technology, common says " Laotie " , should store only proper, also be Yue Jiuyue good.
Black tea
Black tea is to ferment completely tea, the expiration period is longer, can save 2 years of above. Nevertheless generally speaking, even if save relatively proper, 2 years above also can appear change the phenomenon of flavour, do not want as far as possible so when drink again after 2 years.
Black tea
Black tea is basic it is late ferment tea, have jump over Chen Yue's sweet characteristic. Come loose generally speaking tea is deposited 3, 5 years, flavor already reached optimal level, the word that presses tea closely comes 10 years 15 years about the same also.
Can be overdue tea still drunk?
Be in Japan, "The expiration period " also be called " admire flavour period " , japanese aricultural aquatic product saves (be equivalent to our country Ministry of Agriculture) ever also was aimed at " food admires flavour deadline to still can eat afterwards " give out standard answer: Although be after this date, also do not mean cannot edible. If unusual without check fish color is amiable the word of flavour, OK still of edible.
Simple for, tea also is a kind of food, tea expires and do not represent metamorphism surely, expire to perhaps be returned can drinkable, but metamorphism cannot be drunk again absolutely, this and expiration period do not have too big concern.
Whether to judge tea to deteriorate?
Save tea to want to notice dry, sealed, avoid smooth, shady and cool. If tea appears the following kinds of circumstances, no matter whether spent the expiration period, such tea cannot have been drunk.
1, become angry apparently
Tea is long after putting, darken is normal, for instance white tea is deposited through what control 5 years, color can arrive to deep Huang Zai from apricot yellow red brown, but tea soup is to connect all the time fully bright. Those who need an attention is, if tea soup becomes deep not only, still become dark brown is cloudy, a bit does not have bright feeling, such tea is degenerative likely very.
2, occurrence peculiar smell
Tea has very strong adsorptive sex, if follow the thing that has peculiar smell to be put together, before perhaps be being put into freezer, do not have sealed good, string together flavour very easily. If smell,tea has apparent camphor ball flavour, oily fishy smell, such tea still had better be not drunk.
3, molten, mildew changes
Tea first-rate moisture content is 5% the left and right sides, if moisture content exceeded 10% , tea becomes moldy with respect to very easy be affected with damp be affected with damp. It is flat that normal tea feels, break off easily. If tea is held,rise hair is soft, the feeling is humid wet, or smell flavour having mold, so this tea is degenerative and undoubted for certain, cannot again drinkable.
So, whether tea expires and can not consult completely the expiration period, often should observe whether tea produces metamorphism more, use method of appropriate keep in storage, can better extension the time tasting drink of tea.