date:Feb 18, 2013
for that hypothesis and found that gluten levels in various wheat varieties have changed little on average since the 1920s. Overall gluten consumption has increased. Consumption of vital gluten has tripled since 1977. Vital gluten is a food additive made from wheat flour and is added to various food products to improve characteristics such as texture. Overall consumption of wheat flour has increased 25% over a thirty year period from 1977 to 2000, amounting to an average of 2.9 pounds more per