In the future, your vanilla ice cream may be made from plastic bottles. Scientists have figured out a way to convert plastic waste into vanilla flavoring with genetically engineered bacteria, according to a new study.
Vanillin, the compound that carries most of the smell and taste of vanilla, can be extracted naturally from vanilla beans or made synthetically. About 85% of vanillin is currently made from chemicals taken from fossil fuels, according to The Guardian.
Vanillin is found in a wide variety of food, cosmetic, pharmaceutical, cleaning and herbicide products, and the demand is "growing rapidly," the authors wrote in the study. In 2018, the global demand for vanillin was about 40,800 tons (37,000 metric tons), and it's expected to grow to 65,000 tons (59,000 metric tons) by 2025, according to the study, published June 10 in the journal Green Chemistry.
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