Why Sumac Isn't Just "Red Lemon"A biological trick to make dry food taste juicy

From the show

Kitchen Wellness Secrets

Sumac contains malic acid, the same compound found in green apples, rather than the citric acid found in citrus. This unique chemical profile stimulates saliva production, acting as a natural moisture trigger for the palate. Using this spice can revive dry leftovers and enhance salt perception without adding sodium.