Dif­fer­ence be­tween Green Tea and Black Tea

Consumer Voice - - Comparative Test -

As stated ear­lier, both green and black teas are made from the leaves of the same tea bush. Whether these tea leaves end up green or black de­pends on how they are pro­cessed. Green tea is made from tea leaves that are ‘fixed’ (via steam or pan-fir­ing at a hot tem­per­a­ture) im­me­di­ately af­ter be­ing plucked. This process prevents the leaves from ox­i­diz­ing (turn­ing brown), en­sur­ing they re­main closest to their pre-plucked state Black tea, on the other hand, is made from leaves that are heav­ily ox­i­dized. Be­cause the en­zymes within the leaves are al­lowed to fully ox­i­dize the fin­ished leaves ap­pear dark and brown­ish in color. A high level of ox­i­da­tion also con­verts the polyphe­nols in the tea (cat­e­chins) into ox­i­dase com­pounds, most notably theaflavins and thearu­bi­gins. Theaflavins pro­vide black tea with its brisk­ness and sharp taste while thearu­bi­gins give body and im­part a dark red­dish-brown color typ­i­cally as­so­ci­ated with black teas.

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