Green Tea Reduces Incidence and Number of Lung Tumors
Study description: 390 lab animals were divided
into four different groups:
- green tea group - 5% green tea
"dust" was mixed into the animals' food
- MNNG group - the animals were
deliberately injected with a substance called MNNG which is known to cause
lung cancer
- green tea plus MNNG - the
animals
were deliberately injected with MNNG and received green tea
"dust" in their food
- control group - nothing was
done
Type of study: Animal
What happened: Green tea reduced the incidence of lung cancer and precancerous lesions in the lab animals.
Specifically,
in the "green tea plus MNNG group," the rate of
induced cancers and precancerous lesions was 13.6%, compared to
79.8% in the "MNNG group." Green tea also
lowered the number of tumor nodules from a high of 16 per mouse to less than one per mouse.
Citation: Luo D, Li Y. Preventive effect of
green tea on MNNG-induced lung cancers and precancerous lesions in LACA mice.
Hua Xi Yi Ke Da Xue Bao 1992;23(4): 433-7. [Article in Chinese] (Click here to read PubMed study
abstract.)
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Nadine Taylor, M.S., R.D. presents
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