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Category: food – Page 12

Dietary AGE Products Shorten Lifespan On A Calorie Restricted Diet

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Cocoa extract fails to prevent age-related vision loss, clinical trial finds

Brigham and Women’s Hospital-led research reports no significant long-term benefit of cocoa flavanol supplementation in preventing age-related macular degeneration (AMD). The paper is published in the journal JAMA Ophthalmology.

AMD is a progressive retinal disease and the most common cause of severe vision loss in adults over age 50. AMD damages the macula, the central part of the retina responsible for sharp, detailed vision. While peripheral sight is typically preserved, central vision loss can impair reading, driving, facial recognition, and other quality of life tasks. Abnormalities of blood flow in the eye are associated with the occurrence of AMD.

Cocoa flavanols are a group of naturally occurring plant compounds classified as flavonoids, found primarily in the cocoa bean. These bioactive compounds have been studied for their vascular effects, including improved endothelial function and enhanced nitric oxide production, which contribute to vasodilation and circulatory health. Previous trials have shown that moderate intake of may , improve lipid profiles, and reduce markers of inflammation, suggesting a role in mitigating cardiovascular and related vascular conditions.

Can brain activity reveal your political party while grocery shopping?

A new study reveals that how your brain reacts to food purchasing decisions can be used to determine your political affiliation with almost 80% accuracy.

Researchers from Iowa State University, the University of Kansas Medical Center, Oklahoma State University, and the University of Exeter in England used brain imaging techniques to examine adults purchasing eggs and milk with various prices and produced in different ways.

Interestingly, the purchases did not significantly differ by the adults’ political party. What differed by political affiliation, were the areas of the brain that were active during the purchases. The study is published in the journal Politics and the Life Sciences.

Earth’s storage of water in soil, lakes and rivers is dwindling. And it’s especially bad for farming

University of Melbourne hydrology professor Dongryeol Ryu and his collaborator Ki-Weon Seo were on a train to visit Ryu’s family when they found something startling. Stopped at a station for technical issues, Seo had pulled out his computer to pass the time with some work when a result popped up in their data that Ryu could hardly believe: It suggested a “remarkable” amount of Earth’s water stored on land had been depleted.

“At first we thought, ‘That’s an error in the model,’” Ryu said.

After a year of checking, they determined it wasn’t.

Israeli startup grows world’s first real dairy protein in potatoes—no cows needed

Israeli food-tech startup Finally Foods has developed the world’s first genetically engineered potatoes containing cow-milk protein, a breakthrough that could revolutionize dairy production.

The company, part of Strauss Group’s The Kitchen food-tech incubator, is set to launch its first field trial next month in southern Israel, where the modified potatoes will be cultivated.

Once harvested, the potatoes will be processed to extract casein protein powder, a key component in dairy production. Casein, which makes up 80% of milk proteins, is essential for cheese-making and provides melting, stretching and foaming properties in dairy products.

Nanomechanical gas sensor arrays: A step toward smarter, safer food and environments

Imagine walking into your kitchen and instantly knowing if the fish you bought yesterday is still fresh—or entering an industrial site with sensors that immediately alert you to hazardous gas leaks. This isn’t science fiction—it’s the promise behind our newly developed nanomechanical sensor array, a powerful tool we’ve created to detect and analyze complex gases in real-time.

In our recent study published in Microsystems & Nanoengineering, we introduce a miniaturized array of silicon and polymer-based capable of detecting various gases quickly and accurately.

This array utilizes a simple yet ingenious principle: when gas molecules enter the sensor, they diffuse into specific polymers, causing them to swell slightly. This swelling generates detected by tiny piezoresistive sensors embedded in silicon. It’s like watching a sponge expand as it absorbs water—but at a microscopic scale, with the expansion measured electrically to detect and identify gases.

Two new families of PFAS-free solvents for next-generation batteries

Chibueze Amanchukwu wants to fix batteries that haven’t been built yet. Demand for batteries is on the rise for EVs and the grid-level energy storage needed to transition Earth off fossil fuels. But more batteries will mean more of a dangerous suite of materials used to build them: PFAS, also known as “forever chemicals.”

“To address our needs as a society for electric vehicles and energy storage, we are coming up with more ,” said Amanchukwu, Neubauer Family Assistant Professor of Molecular Engineering in the UChicago Pritzker School of Molecular Engineering (UChicago PME). “You can see the dilemma.”

PFAS are a family of thousands of chemicals found in batteries but also everything from fast food wrappers and shampoo to firefighting foam and yoga pants. They keep scrambled eggs from sticking to pans and rain from soaking into jackets and paint, but the same water resistance that makes them useful also make them difficult to remove when they get into the water supply. This earned them the nickname “forever chemicals.”