What Kind of Reviews Dies Oceabsvof Goodness Seagreens
Savoring Seaweeds: What Y'all Need to Know Before Diving In
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Stale kombu, manus-harvested in Mendocino Land (Lisa Landers)
As you may have noticed, nori is the new potato bit. Or at least that's how marketers are trying to position it. Slightly salty with a delicate crisis, snack-sized sheets of roasted nori take become pop munchies for adults and kids alike. These seaweed "crisps" are crowd pleasers not only considering of the taste, texture and low calorie count, only because we figure that eating any kind of vegetable – even if information technology's from the ocean – must exist good for us. More and more parents are tossing those nifty seaweed snack-packs into school dejeuner boxes, relieved to take finally found something light-green that their children will consume.
But what practice we really know about the benefits of eating seaweeds? Long a staple in Asian countries, almost westerners are adequately new to the sea veggie scene. The popularity of seaweeds in the U.S. has been on the rise because they are indeed nutritious – and because recent studies point to wellness benefits ranging from weight loss to cancer prevention. Although it is decidedly a skilful move to add some seaweed to your dietary mix, at that place are a few things worth considering about the promise and prophylactic of eating these marine greens, before yous dive in.
Seaweeds 101
There are thousands of kinds of seaweed, but only a small fraction are typically eaten. Members of the algae family, seaweeds are categorized into three varieties: brownish, cherry-red and dark-green. Brown seaweed, which includes kelp and wakame, is the most commonly consumed worldwide, followed closely by red. Red seaweed encompasses dulse and all types of nori, which holds our sushi rolls together and fills those snack-packs sold by Trader Joes, SeaSnax, and Marin County based GimMe Seaweed (owned by Annie Chun). Of the less popular greenish seaweeds, body of water lettuces are amongst the variety about often eaten.
Seaweeds can be eaten fresh from the body of water, but are more often dried and then roasted or reconstituted to their original form and incorporated into soups or salads. Merely like the land-grown vegetables that we consume, seaweeds are cultivated and harvested commercially. Although harvested around the globe, China is responsible for nearly 60% of the world's seaweed product. Much of the nori that is packaged and sold in the U.S. seems to be farmed in Korea, although more than locally sourced seaweeds are sold by smaller companies such as Rising Tide Sea Vegetables, which hand-harvests wild seaweeds off the Mendocino Coast.
Fiber, Protein and Iodine Powerhouses
Seaweeds provide nutrients such every bit calcium and vitamins A, B-6 and C. Many seaweeds are too loaded with fiber and poly peptide. Only seaweed'south biggest claim to nutritional fame is that it is packed with iodine, a mineral that is essential for maintaining a healthy thyroid, which regulates our hormone levels.
Iodine deficiencies are on the rise among Americans because of our shift to natural sea common salt rather than iodized salt, and tin result in a broad range of bug including weight gain, depression and nausea. Getting enough iodine is particularly essential for pregnant women, helping to ensure healthy fetal evolution. Foods similar broiled potatoes, yogurt and cranberries are good sources of iodine, just none compare to the amounts found in well-nigh seaweeds.
But before you have the "more is more than" approach, it's important to note that y'all tin overdo it. Too much iodine consumption can lead to problems very similar to iodine deficiency. Iodine levels can vary depending on where the seaweed is cultivated, and some seaweeds tend to comprise much higher levels of iodine than others (kelp tends to be loftier, while nori is typically low).
The unmarried serving of nori contained in a SeaSnax roasted seaweed snack-pack contains 25 mcg of iodine, which is "well inside the safe zone," according to Dr. Jane Teas, a prominent researcher at the Academy of Due south Carolina. The National Institutes of Wellness recommends no more than 1100 mcg maximum iodine intake for adults and 300 mcg for kids 4-viii, while the minimum daily RDA is 150 mcg for adults and 90 mcg for 4-viii year-olds.
According to Teas, good for you Americans who don't have iodine sensitivities shouldn't worry about getting too much from eating whatsoever kind of seaweed in moderation. "For people in Japan, at that place seems to be some habituation to high iodine in their diet, and nearly people are not affected," says Teas. She does circumspection that you lot can get too much iodine from taking seaweed capsules as a supplement, however.
The Promise of Prevention
Researchers have but simply begun to uncover the medicinal backdrop of the unique chemical compounds found in seaweeds. Anecdotal evidence suggests that ancient Egyptians used seaweed to treat breast cancer, something scientists are studying today. A small-scale proof of concept study conducted recently by Teas and her colleagues showed that seaweed may help regulate estrogen levels. Teas calls for future research to see if it may besides contribute to reducing the risk of breast cancer and even helping reduce symptoms of PMS. In Japan, where breast cancer levels are particularly depression, studies go on to bespeak to seaweed as a major factor in this reduced charge per unit, which was one time attributed to increased soy consumption.
Seaweeds may help care for other types of cancer too. "In jail cell culture, seaweed has been shown to increase cancer prison cell mortality for several cancers, including colon and prostate cancer, melanoma, sarcoma and others," says Teas.
It's of import to bear in mind that much more research is needed, but studies have also suggested that eating seaweed may help reduce inflammation, lower blood force per unit area and boost general heart health, among other benefits. Although clinical trials accept not notwithstanding been conducted, a 2014 study establish that seaweed consumption has the potential to reduce the amount of fat that our bodies blot.
This is particularly promising news for those who remain unconvinced that they should swap their murphy chips for toasted nori. Maybe we can eat our seaweed and have our chips, too.
Mind Your Metals
Similar their terrestrial counterparts, sea greens can be contaminated by heavy metals such equally lead and mercury lurking in the environment where they are grown. Studies advise that seaweeds harvested in certain regions tend to contain lower metallic concentrations than others, and that certain seaweeds are more prone to arresting various toxins. Hijiki, for example, has been shown to be especially vulnerable to absorbing inorganic arsenic from seawater, while nori, kombu and wakame are not. Arsenic is a chemical ofttimes plant in association with metals and has been linked to cancer.
Fortunately, the U.Due south. has strict regulations in place for making sure that the seaweeds we eat don't incorporate unsafe levels of toxins. Look for packages stamped with the USDA certification mark or do a piffling enquiry earlier yous purchase to help ensure that your seaweed volition do you lot more skillful than harm.
Want more information? For a full rundown on seaweeds visit this reputable and comprehensive website created by the Irish Seaweed Research Group.
Source: https://www.kqed.org/bayareabites/96307/savoring-seaweeds-what-you-need-to-know-before-diving-in
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