As a dietary mineral, molybdenum is part of sulfite oxidase. (foodpyramid.com)
It seems to me that the headaches created by knowingly having a «few more glasses» of wine containing sulfites are more present. (drvino.com)
What they mean: Organic winemakers refrain from using pesticides and other chemicals in their growing and production methods, and they don't add sulfites as preservatives. (health.com)