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New study reveals irrigation’s mixed effects around the world

A recent study analyzed over 200 previous studies to assess the impact of irrigation on regional climates and environments. The researchers found that while irrigation supplies 40% of the world's food, it also has significant effects on regional climates and environments, with some areas being already unsustainable or verging on scarcity.

SourceNew York University·JournalNature Reviews Earth & Environment·DateJun 20, 2023

Shock to the crop system

A new study by University of Delaware researchers assesses the effects of climate variability on crop production in the US. The study reveals that fluctuations in planted and harvested areas contribute significantly to crop production shocks, which can have severe impacts on food stability.

SourceUniversity of Delaware·JournalNature Sustainability·DateJun 15, 2023

Seaweed farming may help tackle global food insecurity

Research suggests that seaweed farming could be a game-changer for addressing food insecurity globally. By reducing the need for land, freshwater, and chemical fertilizers, seaweed cultivation can lead to higher incomes for farmers in coastal regions of Africa and Southeast Asia. As demand for nutrient-rich seaweed products grows world...

SourceTufts University·JournalGlobal Food Security·DateJun 8, 2023

Mapping the conflict between farming and biodiversity

A Japanese-led team used mapping techniques to quantify the impact of agriculture on high-priority conservation areas. The study found that commodities like beef, rice, and soybeans are often produced in high-conservation priority areas, while others like barley and wheat are sourced from low-priority areas.

SourceResearch Institute for Humanity and Nature·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateMay 29, 2023

Sexing chicken eggs by scent

A new method for sexing chicken eggs by scent has been developed by researchers at UC Davis, allowing for early identification of male embryos. The technology relies on detecting volatile organic compounds emitted by the developing embryo, which can be analyzed using gas chromatography/mass spectrometry.

SourceUniversity of California - Davis·JournalPLOS ONE·TypeExperimental study·DateMay 22, 2023

The physics of gummy candy

Researchers explored how different ingredient combinations and storage temperatures affect gummy candies' texture, moisture content, and pH. They found that starch did not impact hardness and identified the most shelf-stable combination for gummies.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateMay 16, 2023

Texas A&M Institute for Advancing Health through Agriculture seeks experts to support study on responsive agriculture

The Texas A&M Institute for Advancing Health Through Agriculture is partnering with the Chicago Council on Global Affairs to develop a National Roadmap for Responsive Agriculture Solutions. The study aims to set priorities for supporting health through food and agriculture, focusing on reducing diet-related chronic diseases.

SourceWild Hive·TypeContent analysis·DateMay 10, 2023

Artificial photosynthesis for environmentally friendly food production

Researchers at TUM have successfully developed a method to produce the essential amino acid L-alanine from CO2 using synthetic enzymes and green methanol. This process requires significantly less space than traditional methods and can be powered by renewable energy sources, making it an important step towards more sustainable agriculture.

SourceTechnical University of Munich (TUM)·JournalChem Catalysis·TypeExperimental study·DateApr 28, 2023

What makes “junk food” junk?

A new analysis of three decades of US food policies defines junk food based on a combination of product categories, processing, nutrients, and place. The study identifies common criteria used in existing policies, including exemptions for staple foods and favoring products with lower levels of processing and additives.

SourceNew York University·JournalMilbank Quarterly·DateApr 27, 2023

New, comprehensive systematic review and meta-analysis illustrate the need for nuance in public health guidance related to consumption of sugars

A comprehensive review of 169 clinical trials found that the effect of fructose-containing sugars on adiposity varies among food sources and energy control. High doses of certain sources, like SSBs, lead to increased body weight, while others, such as fruit and honey, show moderate beneficial effects when consumed in moderation.

SourceAmerican Society for Nutrition·JournalAmerican Journal of Clinical Nutrition·TypeSystematic review·DateApr 26, 2023

A recipe for 3D-printing food

University of Ottawa researchers Ezgi Pulatsu and Chibuike Udenigwe identified crucial factors impacting the print quality and shape complexity of edible materials produced by additive manufacturing. By optimizing these features, food quality can be improved, control increased, and printing speed enhanced.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateMar 21, 2023

Keto vs vegan: Study of popular diets finds over fourfold difference in carbon footprints

A new study from Tulane University compared popular diets on nutritional quality and environmental impact, finding that keto and paleo diets scored among the lowest on nutrition quality and had the highest carbon emissions. Vegan diets, on the other hand, generated significantly less carbon dioxide per calorie consumed.

SourceTulane University·JournalAmerican Journal of Clinical Nutrition·TypeData/statistical analysis·DateFeb 28, 2023

How Iceland could have a starring role as a sustainable alternative protein exporter to Northern Europe

A feasibility study suggests that Iceland can produce enough Spirulina to feed six million Europeans every year, reducing greenhouse gas emissions and freshwater withdrawals. The country's industrial-scale biomass cultivation system powered by renewable energy could support Northern European countries in achieving protein self-sufficie...

SourceUniversity of Cambridge·JournalFoods·DateFeb 22, 2023

Arming vegetables with anti-inflammatory properties using plant pigments

Scientists have genetically modified potatoes and tomatoes to produce betacyanin, a pigment with anti-inflammatory properties. The transgenic vegetables demonstrated enhanced accumulation of the pigment, which showed improved effects in reducing inflammation in macrophage-like cells and murine models of colitis.

SourceTokyo University of Science·JournalBiotechnology and Bioengineering·TypeExperimental study·DateFeb 16, 2023

Shellac-based coating makes pulp materials suitable for food without use of petroleum based polymers or metals

Researchers have developed a shellac-based coating to improve the gas barrier properties of moulded pulp materials, making them suitable for food packaging. The coating, combined with nanofibrillated cellulose, provides superior water resistance and thermal stability, while preserving environmental sustainability.

SourceSociety of Chemical Industry·JournalPolymer International·TypeExperimental study·DateFeb 7, 2023

Milk’s packaging influences its flavor

A new study in the Journal of Dairy Science confirms that milk packaging affects taste, with paperboard cartons and plastic bags imparting off-flavors and compounds to milk. Glass containers remain an ideal choice for preserving freshness, while plastic containers provide additional benefits.

SourceElsevier·JournalJournal of Dairy Science·TypeExperimental study·DateJan 26, 2023

Spinning food processing waste into ‘gold’

Researchers analyzed 46 waste samples and proposed production opportunities for sustainable fuels, biogas, electricity, chemicals, and organic fertilizer. The study aims to reduce food waste and its environmental impact by finding alternative uses for industrial waste products.

SourceOhio State University·JournalScience of The Total Environment·DateJan 25, 2023

Chicory, surrogate and roasted coffee provide new insights into mechanisms of taste perception

Researchers investigated how the order of eating affects bitter taste perception using chicory and coffee substitutes. They found that consuming chicory or coffee substitute after roasted coffee reduces bitterness, while consuming roasted coffee before chicory has no effect.

SourceLeibniz-Institut für Lebensmittel-Systembiologie an der TU München·JournalFrontiers in Nutrition·TypeExperimental study·DateJan 23, 2023

Can Iceland feed Europe?

A new study reveals Iceland's potential to become a protein self-sufficient nation, producing hundreds of thousands of tonnes of biomass while mitigating over 700 million tons of CO2 emissions. This could significantly reduce Europe's reliance on imported protein-rich feed crops and enhance food security.

SourceReichman University·JournalFoods·TypeData/statistical analysis·DateJan 18, 2023