You can thank diverse yeasts for that coffee and chocolate

Humans have put yeast to work for thousands of years to make bread, beer, and wine. Wild strains of yeast are also found in the natural fermentations that are essential for chocolate and coffee production. But, as new genetic ...

Sticking power of plant polyphenols used in new coatings

A simple kitchen sink experiment helped Northwestern University researchers discover that green tea leaves not only can be used to steep a good cup of tea, but they make an excellent antibacterial coating, too.

Experts: Mayas may have used chocolate as spice

Archaeologists say they have found traces of 2,500-year-old chocolate on a plate in the Yucatan peninsula, the first time they have found ancient chocolate residue on a plate rather than a cup, suggesting it may have been ...

Reducing cadmium levels in cacao

Chocolate is almost universally adored. But few know the complicated process of how cacao beans become chocolate. Did you know cacao tree farming is done mostly by small-scale low-income farmers in Latin America, particularly ...

Improving the cacao genome and phytozome

According to the International Cocoa Organization (ICCO), global cocoa bean production in 2017-2018 was 4.6 million metric tons. The global chocolate brands couldn't exist without cocoa. But today the plant is under threat ...

Better chocolate with microbes

For decades, researchers have worked to improve cacao fermentation by controlling the microbes involved. Now, to their surprise, a team of Belgian researchers has discovered that the same species of yeast used in production ...

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