The Okinawan citrus shikuwasa has a secret to longevity
Shikuwasa contains plenty of vitamin C, an excellent
antioxidant citric acid that recover one from
exhaustion. Especially the amount of nobiletin, a kind of
flavonoid is far better than any other citrus.
It is said that nobiletin is effective in inhibiting
carcinogenicity,preventing diabetes,restraining the cause
of liver disability, controlling melanism a whitening
effect of the skin.
Currently research on the possibility of fundamental
treatment for Alzheimer´s disease is being conducted.
Also Yanbaru, an area famous for production of shikuwasa
is also known for area of longevity.