While the problem of contamination has been known for several years, a study published in June 2008 found that of 109 sources of oats screened, 85 had unacceptable levels of gluten from wheat, barley or rye.
While the problem of contamination has been known for several years, scientists' understanding of how oats and gluten are related continues to evolve. A study published in June 2008 found that of 109 sources of oats screened, 85 had unacceptable levels of gluten from wheat, barley or rye.