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QUESTION: Rooibos tea is a herbal tea well known in South Africa. Can it be used by type O blood?
ANSWER: Yes, I though so highly of its health properties for type O that I included it in the 'Sip Right 4 Your Type' tea formulas for type O that we developed with The Republic of Tea. In particular I find Rooibos effective in 'tempering' the slightly over-enthusiastic type O immune system, leading to diminished allergies and autoiimmune problems.
Rooibos has significant anti-HIV activity (1) and appears to be somewhat protective against UV damage,(2) probably because of its anti-oxidant activity. The anti-oxidant activity in the plant also seems to suppress the age-related accumulation of lipid peroxides in th brain, at least in test animals. (3)
Rooibos has no caffiene, so it appears to be a good substitute in situations where the caffiene contain in green tea may prohibit its use. Like green tea, rooibos inhbits polyamine formation by blocking the enzyme ornithine decarboxlase. (4)
1. Nakano M, Itoh Y, Mizuno T, Nakashima H.Polysaccharide from Aspalathus linearis with strong anti-HIV activity. Biosci Biotechnol Biochem. 1997 Feb;61(2):267-71.
2. Shimoi K, Masuda S, Shen B, Furugori M, Kinae N. Radioprotective effects of antioxidative plant flavonoids in mice. Mutat Res. 1996 Feb 19;350(1):153-61.
3.Inanami O, Asanuma T, Inukai N, Jin T, Shimokawa S, Kasai N, Nakano M, Sato F, Kuwabara M. The suppression of age-related accumulation of lipid peroxides in rat brain by administration of Rooibos tea (Aspalathus linearis).
4. Comp Biochem Physiol C Pharmacol Toxicol Endocrinol 1997 Jan;116(1):39-45 Effect of Rooibos tea (Aspalathus linearis) on chick skeletal muscle cell growth in culture. Lamosova D, Jurani M, Greksak M, Nakano M, Vanekova M