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New tech reduces salt without compromising taste
Novel food processing tech promises to lower sodium content without reducing flavor intensity.
- Current food processing technology reduces flavor intensity and requires much additional salt.
- New tech from Washington State University promises to reduce sodium content without affecting flavor.
- Too much salt consumption can lead to a host of illnesses.
Serving our palates for thousands of years, salt makes a big difference to how we perceive the taste of a food. But consuming too much salt can result in increased blood pressure, added risk of stroke, failure of the heart, kidney disease, stomach cancer, osteoporosis and more health issues. Now new technology promises to drastically reduce the amount of salt in food without sacrificing its tastiness.
Salt, a mineral mainly made up of sodium chloride, is found abundantly in modern processed food, in particular, which accounts for 60-80% of all food consumed by Americans. This kind of food contains high levels of sodium, both for taste and preservation, as the current preservation method (called retort) is known for reducing the intensity of flavors. The new technology, called microwave assisted thermal sterilization (MATS), promises to get the sodium number much lower but not affect the flavor as significantly.
Developed by researchers from Washington State University (WSU), MATS utilizes microwave tech to destroy any pathogens in food. For a comparative taste test, the scientists used the traditional preservation method retort and MATS on mashed potatoes. Tasting panels were held and the University's e-tongue was also employed to gauge how the tech lowered salt content and affected the fllavor intensity of other ingredients, be it petter or garlic. If pepper intensity stays high, then less salt is needed to make the food tasty.
Food science professor Carolyn Ross, the lead author of the paper, said that they found pepper intensity was the same after MATS as when used on fresh potatoes. But after retort, it was another matter.
"The heating process of retort, which takes longer to get up to temperature and longer to cool off, changes the texture and flavor of food," explained Ross. "MATS is much faster, so it doesn't have nearly as big an impact on those areas."
Why Is Salt So Bad for You, Anyway?
The researchers discovered that using MATS could help reduce salt content in mashed potatoes by up to 50 percent without affecting taste. The tasters were able to tell there was less salt but since the flavor intensity of the other ingredients was actually higher, the salt was not missed. "Basically, if you can enhance the flavors of herbs, the food still seems salty enough to be enjoyed," said Ross.
The scientists think their MATS technology could be particularly helpful to older adults, who often have to eat prepared meals due to issues of safety and expedience.
The research team also included WSU's Sasha Barnett, Shyam Sablani, and Juming Tang.
To read their new study, "The potential for microwave technology and the ideal profile method to aid in salt reduction," check out its publication in the Journal of Food Science.
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Construction of the $500 billion dollar tech city-state of the future is moving ahead.
- The futuristic megacity Neom is being built in Saudi Arabia.
- The city will be fully automated, leading in health, education and quality of life.
- It will feature an artificial moon, cloud seeding, robotic gladiators and flying taxis.
The Red Sea area where Neom will be built:
Saudi Arabia Plans Futuristic City, "Neom" (Full Promotional Video)<span style="display:block;position:relative;padding-top:56.25%;" class="rm-shortcode" data-rm-shortcode-id="c646d528d230c1bf66c75422bc4ccf6f"><iframe type="lazy-iframe" data-runner-src="https://www.youtube.com/embed/N53DzL3_BHA?rel=0" width="100%" height="auto" frameborder="0" scrolling="no" style="position:absolute;top:0;left:0;width:100%;height:100%;"></iframe></span>
Frequent shopping for single items adds to our carbon footprint.
- A new study shows e-commerce sites like Amazon leave larger greenhouse gas footprints than retail stores.
- Ordering online from retail stores has an even smaller footprint than going to the store yourself.
- Greening efforts by major e-commerce sites won't curb wasteful consumer habits. Consolidating online orders can make a difference.
A pile of recycled cardboard sits on the ground at Recology's Recycle Central on January 4, 2018 in San Francisco, California.
Photo by Justin Sullivan/Getty Images<p>A large part of the reason is speed. In a competitive market, pure players use the equation, <em>speed + convenience</em>, to drive adoption. This is especially relevant to the "last mile" GHG footprint: the distance between the distribution center and the consumer.</p><p>Interestingly, the smallest GHG footprint occurs when you order directly from a physical store—even smaller than going there yourself. Pure players, such as Amazon, are the greatest offenders. Variables like geographic location matter; the team looked at shopping in the UK, the US, China, and the Netherlands. </p><p>Sadegh Shahmohammadi, a PhD student at the Netherlands' Radboud University and corresponding author of the paper, <a href="https://www.cnn.com/2020/02/26/tech/greenhouse-gas-emissions-retail/index.html" target="_blank">says</a> the above "pattern holds true in countries where people mostly drive. It really depends on the country and consumer behavior there."</p><p>The researchers write that this year-and-a-half long study pushes back on previous research that claims online shopping to be better in terms of GHG footprints.</p><p style="margin-left: 20px;">"They have, however, compared the GHG emissions per shopping event and did not consider the link between the retail channels and the basket size, which leads to a different conclusion than that of the current study."</p><p>Online retail is where convenience trumps environment: people tend to order one item at a time when shopping on pure player sites, whereas they stock up on multiple items when visiting a store. Consumers will sometimes order a number of separate items over the course of a week rather than making one trip to purchase everything they need. </p><p>While greening efforts by online retailers are important, until a shift in consumer attitude changes, the current carbon footprint will be a hard obstacle to overcome. Amazon is trying to have it both ways—carbon-free and convenience addicted—and the math isn't adding up. If you need to order things, do it online, but try to consolidate your purchases as much as possible.</p><p>--</p><p><em>Stay in touch with Derek on <a href="http://www.twitter.com/derekberes" target="_blank">Twitter</a>, <a href="https://www.facebook.com/DerekBeresdotcom" target="_blank">Facebook</a> and <a href="https://derekberes.substack.com/" target="_blank">Substack</a>. His next book is</em> "<em>Hero's Dose: The Case For Psychedelics in Ritual and Therapy."</em></p>
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