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Brazil Won't Buy U.S. GMO Corn, Highlights Worldwide Divide Over GMOs
While genetically modified (GMO) foods seem to proliferate across the U.S., many other nations do not allow such products to enter or grow within their borders.
Brazil grows 29 varieties of GMO corn while the U.S. grows 43 different types, according to the International Service for the Acquisition of Agri-Biotech Applications. Photo credit: Flickr
A Bloomberg article illustrated how the world's vast patchwork of GMO regulations can deter international trade.
Case in point, even though the Brazilian chicken industry is suffering from a domestic corn shortage this year, companies refuse to buy corn from the U.S. because of Brazil’s stringent regulations on GMOs.
"In recent years, some of the largest commodity trading companies have refused to take certain GMO crops from farmers because the seeds used hadn’t received a full array of global approvals, something that can lead to holdups at ports or even the rejection of entire cargoes," the article stated.
Brazil happens to be the second largest producer of GMO crops in the world after the U.S., and grows 29 varieties of GMO corn. However, the South American country has had a contentious history over GMOs and does not allow certain varieties to enter the country—the U.S. cultivates 43 types of GMO corn. Brazil also mandates that all products containing GMO ingredients carry a label and, earlier this year, the Brazilian Ministry of Justice fined major food manufacturers including Nestle, PepsiCo and a Mexican baking company for concealing the presence of GMOs in their products.
Brazil, the world biggest exporter of chicken and grain traders, is now considering whether to request approval from the government to import GMO crops that aren’t currently permitted, Bloomberg reported.
Bloomberg's article highlights the international divisiveness over genetically altered food and the agri-tech industry, a reflection of general consumer and political unease over the safety and environmental concerns of GMOs and the pesticides they are designed to resist.
In the graphic below, the Genetic Literacy Project listed a dizzying mix of countries that have either banned or allowed GMO food cultivation or imports. The group also noted that the vast majority of genetically altered crops come from only a dozen nations that allow cultivation: the U.S., Brazil, Argentina, India, Canada, China, Paraguay, Pakistan, South Africa, Uruguay, Bolivia and the Philippines.
India received 250,000 tonnes of non-GMO corn from South Korea’s Daewoo International via Ukraine, however as experts warned to Reuters, it is difficult to ensure that the supply is 100 percent non-GMO, sparking fears of GMO contamination.
It only takes a few GMO seeds to mix with local varieties to enter India’s food supply chain, an Indian government scientist explained.
“The biggest risk of accepting anything less than 99, or 100, percent is that the imported GM corn may eventually get mixed with conventional seeds that farmers sow in India,” the scientist, who asked to not be named, told Reuters. “If, God forbid, any GM seed gets mixed here, it’ll spoil the entire Indian agriculture.”
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By Zulfikar Abbany
Bread has been a source of basic nutrition for centuries, the holy trinity being wheat, maize and rice. It has also been the reason for a lot of innovation in science and technology, from millstones to microbiological investigations into a family of single-cell fungi called Saccharomyces.
Chemical leavening<p>If you like a little heft in your loaf, you will need a leavening agent.</p><p>For those short on time, you can use baking soda. That's a chemical compound of sodium bicarbonate mixed with potassium bitartrate, or cream of tartar.</p><p>Soda breads have their traditions in parts of eastern and central Europe, and in Ireland and Scotland, with Melrose loaves and "farls."</p><p>They can taste a bit bland, though, and are often considered only as an emergency solution on Sundays. No disrespect intended: They taste just fine fresh from the oven.</p><p>Whether it's chemical or more "natural," leavening relies largely on the production of carbon dioxide.</p><p>When you mix an acid, such as vinegar, buttermilk, yogurt or apple cider, with an alkaline compound like baking soda, you get CO2. That CO2 creates bubbles, which in turn capture steam in the oven and allow a bread to rise.</p><p><span></span>But it's better with yeast. Tastes better, too. It just takes more time. </p>
What is yeast?<p>There are yeasts all around us — on grains, in the air, in biofuels. It even lives inside us, but that's not always a good thing.</p><p><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1090575/pdf/1471-2334-5-22.pdf" target="_blank">Candida yeast</a> can cause infections of the skin, feet, mouth, penis or vagina if it builds up too much in the body.</p><p>One of the most common yeasts, however, is <em>Saccharomyces cerevisiae</em>. That's <a href="https://www.dw.com/en/an-early-beer-archaeologists-tap-ground-at-worlds-oldest-brewery/a-45480731" target="_blank">"brewer's"</a> or "baker's" yeast.</p><p>You can get fresh baker's yeast, often in 42-gram (1.48-ounce) cubes, or as dried yeast (quick action or active, which requires rehydration) in a sachet of 7 grams.</p><p>There's little difference: One is compressed and the other is dehydrated and granulated. But they do the same thing, essentially. </p><p>Some commercial yeast producers add molasses and other nutrients. But natural yeast has plenty of useful nutrients in it anyway, including B group vitamins, so who knows whether it's good or necessary to add them. </p>
How does yeast work?<p>When you mix flour, yeast and water, you set off a veritable chain reaction. Enzymes in the wheat convert starch into sugar. And the yeast creates enzymes of its own to convert those sugars into a form it can absorb.</p><p>The yeast "feeds" on the sugars to create carbon dioxide and alcohol. The yeast burps and farts, releasing gases into the mix, and that creates bubbles to trap CO2. </p><p>It's a vital fermentation process that breaks down the gluten in the flour and helps make your bread more digestible.</p><p>The yeast cells split and reproduce, generating lactic and carbonic acid, raising the temperature and ultimately adding flavor to the mix.</p><p>The longer you leave the yeast to do its thing, the better for your bread. Time is more important than the amount of yeast. </p><p>In fact, that's an enduring question — how much yeast? I'll use 20 grams fresh yeast for 500 grams of flour. Others say that's enough yeast for 1 kilo. If you are converting a dry-yeast recipe to fresh yeast, some bakers advise tripling the weight. So, if a sachet of dried yeast is 7 grams, your fresh yeast is 21 grams.</p><p><span></span>But that also depends on the flours you are using, temperatures in the bowl and the room, and a host of other things. You'll just have to experiment and see. No number of books (and I've read a stack on bread) will help as much as trial and error.</p>
Wild yeast: Sourdough<p>So, good bread needs time. If you have a lot of time, why not move it up a notch and grow wild yeast — a sourdough starter — in your own home?</p><p>A sourdough starter is not to be mistaken (as it often is) for the leaven, or "mother," "sponge," or <em>levain</em>. That's more a second stage, a descendant of the starter. You take a scoop from your starter and add it to another flour and water mixture when you prepare the dough for a new loaf. </p><p>The sourdough process utilizes yeasts naturally present in flour and … yet more time. A longer fermentation process allows a richer lactic acid bacteria <em>lactobacilli</em> or LAB to evolve, and that can be healthy for your gut microbiome.</p><p>It's simple enough to start a sourdough starter. All you need is flour, warm water and time.</p><p>Some suggest equal measures of whole-grain flour and water at 28 degrees Celsius (82 degrees Fahrenheit), some say room temperature — just don't let the water exceed 40 C or the yeasts will die. Some suggest two parts flour to three parts water. But it's up to you whether you want a drier or wetter starter. You will know only through experimentation. </p><p>Some say you should filter tap water to remove chemicals like fluoride and avoid using water that's boiled and then cooled. Others say that really doesn't matter.</p><p>The main thing is, keep it clean and give it time. Days, weeks, months and years.</p>
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