From NIST Tech Beat: May 24, 2011
Contact: Mark Esser
(301) 975-8735
The National Institute of Standards and Technology (NIST) has released a suite of green tea reference materials to help manufacturers evaluate the composition of their products and assure researchers of the accuracy of analytical methods for studying the human health effects of this popular beverage and dietary supplement. The new standard reference materials (SRMs) were prepared as part of an ongoing collaboration with the National Institutes of Health Office of Dietary Supplements.
People have cultivated and consumed tea for at least the past 3,000 years and perhaps much longer than that. The origin of the use of Camellia sinensis (green tea), indigenous to Southeast Asia, is the subject of competing legends. Although there are various versions of the story, Chinese legend records that Emperor Shen Nong discovered the rejuvenating effects of tea when a few leaves fell into his pot of boiling water nearly 5,000 years ago.
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