Bladderwrack, also referred to as black tang, rockweed, red fucus, and different other names, is an edible brown seaweed that grows along the coasts of the Atlantic and Pacific oceans and the North and Baltic seas. Like a lot of other seaweeds such as kelp, nori, and kombu, bladderwrack is beloved – specifically in East Asia – for its medicinal properties. Indeed, it was the unique source of iodine in Europe, and was utilized in the early nineteenth century to treat goiter, a swelling of the thyroid gland induced by an iodine deficiency.
Rich in iodine – Since bladderwrack was Europe’s original source of iodine, it helps make sense to commence by pointing out this seaweed’s amazing iodine content material. Without a doubt, 50 grams of bladderwrack incorporate much more than a hundred % of our recommended every day intake of this vital, thyroid-regulating mineral – much more than any other seaweed. In addition, the organic iodine present in bladderwrack is much more very easily absorbed than the inorganic form located in iodized salt and other iodine-enriched items.
Safety from radioactive iodine – Bladderwrack is ready to protect the thyroid from absorbing cancer-causing radioactive iodine in the event of a nuclear disaster, this kind of as the one particular that befell Fukushima in 2011. This is since the organic iodine located in the seaweed binds with, and fills, the thyroid gland’s receptors, therefore avoiding radioactive iodine from doing the same. This need to be viewed as a brief-phrase remedy, even so, because excessive iodine consumption can lead to thyroid dysfunction.
Higher in fiber – All sea greens are great sources of soluble fiber, and bladderwrack is not an exception. Comprised of among 20 and forty % fiber (mainly in the type of alginic acid, mucilage, and fucoidan), bladderwrack is a wonderful selection for people struggling from constipation, as nicely as a good weight reduction foods since its higher fiber content material (which aids you feel fuller for longer) is coupled with no unwanted fat and handful of calories. Furthermore, soluble fiber also coats the digestive tract and protects it from injury by refluxed abdomen acid. For this purpose, bladderwrack extracts are frequently discovered in wellness dietary supplements for heartburn treatment (heartburn becoming a symptom of acid reflux or GERD).
Zeaxanthin – A single of the most intriguing names in bladderwrack’s substantial record of trace minerals is zeaxanthin. Zeaxanthin is what offers the macula of our eyes its yellow color, and this natural carotenoid – also discovered in leafy green veggies, fruits, and egg yolks – assists to guard the eye from oxidative and light-induced harm. A lack of zeaxathin (along with its fellow eye-based mostly antioxidant, lutein) can lead to macular degeneration, so it’s essential to regularly eat foods that contain it.
Fucoidan – Bladderwrack includes impressive levels of fucoidan, a sulfated polysaccharide that exists in the cell walls of most brown algae. In accordance to a May possibly 2003 examine by researchers Maruyama, Tamauchi, Hashimoto, and Nakano, fucoidan has the potential to inhibit tumor development. Other research have also proven that fucoidan possesses anti-viral properties. These advantages, coupled with the fact that fucoidan regulates the manufacturing of AP-I (which, in flip, regulates cell proliferation), makes bladderwrack and other fucoidan-rich food items highly efficient at combating cancer.
Aside from the nutrients pointed out above, bladderwrack also is made up of various levels of calcium and magnesium (required for superior bone health), protein (necessary for cell development and restore), and numerous trace minerals this kind of as potassium, zinc, selenium, iron, chlorophyll, phosphorous, bromine, and the much-required antioxidant, vitamin C.
Michael Ravensthorpe is an independent writer whose analysis interests consist of nutrition, alternative medicine, and bushcraft. He is the creator of the site, Spiritfoods, through which he promotes the world’s healthiest foods.
Bladderwrack: The Ocean’s Best Supply of Iodine
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