From Vineyard Waste to Pasta Sauce

Grape pomace is what’s left after the juice has been squeezed out of a grape—skin, seeds, stems, and pulp. Some of the pomace can be repurposed in applications like fertilizer or compost, but most of it is wasted. Given that 20% to 25% of grapes’ weight ends up as pomace after wine is made, and global wine production is around 244 million hectoliters, that’s a lot of waste.

Pomace, which contains vitamins, minerals, and bioactive compounds like polyphenols, as well as fib…