Fresh fruits appear to be healthy and full of vitamins, but they may contain trace amounts of pesticides, preservatives, and ...

By the late 19th century, it would become less putrid, as manufacturers added chemical preservatives to slow decomposition in the bottle. But the real change—the invention of modern ketchup ...

Wiley organized volunteers for human trials to test the effects of chemical food preservatives. For free food and five dollars a month, 12 healthy young men became test subjects.

Co-author Zhenyu Tang, CTO at Henning Chemical (Shanghai) Co., Ltd, says, “The preservatives presented in this review, at normal use levels, kill the microorganisms rather than inhibiting their ...