PepsiCo. launch 'low-carb' snacks

Frito-Lay, the chips division of PepsiCo. announced a new line extension of Doritos and Tostitos brands in May that it said would use soy proteins and fibre to give half the carbohydrates of its tortilla chip brands.

American interest in 'low-carb' foods has increased with the popularity of the much publicised Atkins diet.