Is it possible to reduce or remove the Iodine content in Seaweed extracts?.
Iodine was incorpored in organic molecules by action of haloperoxidades enzyme in reponse to oxidative stress.
In order to remove the iodine content a possibility culture the macroalgae in artificial sea water without the addition of iodine in the composition.
Most of the work has been carried out on Laminariales (kelps). Iodine is mostly stored as iodide in the extracellular matrix located in the peripheral tissue (Kupper et al. 2008). Iodide has been suggested as an inorganic antioxidant. Iodine-rich kelps are good for helping the thyroid to function and the treatment of goiter. But, if you want to reduce the iodide content, an oxidative stress should release it to the atmosphere (but is that good? It has been linked to the formation of clouds).
Iodine can be released initially as iodide from varying species of seaweed through oxidation stress i.e. chambered ozone, which in turn yields Iodine oxides. The species also plays a large effect with Laminaria kelps being the most potent Iodine emitter (Laminaria digitata has the highest recorded amount). These sea kelp are very low lying and are only exposed mainly at spring tide events (the lowest possible tide of the month).
Some suggest photochemical stress is also possible to release the iodide.
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