The teas of Portuguese centenarians

Silva, Alda Pereira da; Costa, M. Céu; Rijo, Patrícia; Gorjão Clara, João Pedro Pereira; Bicho, Manuel

http://hdl.handle.net/10451/37801

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Authors

Silva, Alda Pereira da

Costa, M. Céu

Rijo, Patrícia

Gorjão Clara, João Pedro Pereira

Bicho, Manuel

Abstract(s)

Introduction: Medicinal plants traditional consumption habits, can contribute to longevity. Methods: A sample of 253 centenarian individuals in Portugal, both sexes, median age 100 years, was studied, to verify past habits in relation to medicinal-interest plants use. It was compared with a control group median age 67 year, with a reduced theoretical probability of reaching 100 years. Results: Among the 8 most cited plants, in decreasing frequency order, in centenarian's group: Lemon-balm, barley, lemon-verbena, orange (leaf-flower), linden, whig-plant, pennyroyal and mount-carqueja (Pterospartum-tridentatum); in the control group: Lemon-balm, lemonverbena, chamomile, linden, prince-herb, green-tea, lemon-tea and minttea. Whereas 28% of the control subjects reported not using infusion plants, in the centennial group, only 9.1% reported not routinely use them (χ2¼30,42, po0.001). Among the 8 plants most marked by the centenarians that were not mentioned by the controls, they include barley, whig-plant, pennyroyal and mount-carqueja. Conclusion: the high antioxidant power associated with the use of plants by centenarian individuals, determined by anti-free radical's activity, lipoperoxidation inhibition and antitumor potential, may have contributed to their exceptional longevity.