Green Tea may also benefit bone health (Sept. 17, 2009) — Many scientific studies have linked tea to beneficial effects in preventing cancer, heart disease, and other conditions.
Recent studies by Hong Kong researchers report that green tea may help improve bone health. They found that the tea contains a group of chemicals that can stimulate bone formation.
The beverage has the potential to help in the prevention and treatment of osteoporosis and other bone diseases.
The scientists exposed a group of cultured bone-forming cells (osteoblasts) to three major green tea components — epigallocatechin (EGC), gallocatechin (GC), and gallocatechin gallate (GCG) — for several days.
They found that EGC boosted the activity of a key enzyme that promotes bone growth by up to 79 percent.
EGC also boosted levels of bone mineralization in the cells, which strengthens bones.
The scientists also showed that high concentrations of ECG blocked the activity of a type of cell (osteoclast) that breaks down or weakens bones.
Their findings are in ACS’ Journal of Agricultural and Food Chemistry, a bi-weekly publication.

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