Can Chocolate, Tea, Coffee and Zinc Help Make You More Healthy? - Mind And Muscle


eating_chocolate_coffee_or_tea_combined_with_zinc_can_help_combat_ageing_1541502959_725x725

Aging and a low life expectancy are caused, at least partly, by oxidative stress. A team of researchers led by Prof. Dr. Ivana Ivanovi-Burmazovi from the Chair of Bioinorganic Chemistry at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), together with researchers from the USA, have discovered that zinc can activate an organic molecule, helping to protect against oxidative stress.

Zinc is a trace mineral we need in order to remain healthy. FAU researchers working together with Prof. Dr. Christian Goldsmith from Auburn University, Alabama, USA, have discovered that zinc can protect against the superoxide responsible for oxidative stress when taken together with a component found in foodstuffs such as wine, coffee, tea and chocolate. This component is a hydroquinone group found in polyphenols, in other words the plant substances responsible for smell and taste. Zinc activates the hydroquinone groups, producing natural protection against superoxide, a by-product of human cell respiration which damages the body’s own biomolecules, for example proteins or lipids, as well as the human genome. Superoxide is thought to have a role to play in the ageing process and a number of illnesses such as inflammation, cancer or neurodegenerative diseases.

New metal complex against superoxide

Hydroquinone alone is not capable of breaking down superoxide. If zinc and hydroquinone combine, however, a metal complex is created which imitates a superoxide dismutase enzyme (SOD). These enzymes protect the body from the degradation processes caused by oxidation and have an antioxidative effect. In this way, the superoxide can be metabolised and damage to the organism prevented; oxidative stress is avoided.

Chocolate, coffee etc. with added zinc

For the first time, the function of this enzyme has been copied without reverting to redox-active transition metals such as manganese, iron, copper or nickel. Whilst the metals could also have an antioxidative effect, any positive effects are quickly outweighed by the fact that if too much is taken they can even cause oxidative stress to increase. Zinc is much less toxic than the transition metals mentioned above, making it possible for new medication or supplements to be created with considerably fewer side-effects. It would also be plausible to add zinc to food which contains hydroquinone naturally to boost the consumer’s health. ‘It is certainly possible that wine, coffee, tea or chocolate may well become be available in future with added zinc. However, any alcohol content whatsoever would destroy the positive effects of this combination,’ emphasises Ivana Ivanovi-Burmazovi.

Story Source:

Materials provided by University of Erlangen-Nuremberg. Note: Content may be edited for style and length.


Journal Reference:

  1. Meghan B. Ward, Andreas Scheitler, Meng Yu, Laura Senft, Annika S. Zillmann, John D. Gorden, Dean D. Schwartz, Ivana Ivanović-Burmazović, Christian R. Goldsmith. Superoxide dismutase activity enabled by a redox-active ligand rather than metalNature Chemistry, 2018; DOI: 10.1038/s41557-018-0137-1
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