Sulfites can no longer be used on raw fruits and vegetables, and a larger number of processed foods that contain sulfites have to say so on the package label. These actions were brought about by an increasing number of adverse allergic-type reactions being reported in individuals sensitive to sulfites.bstract: The Food and Drug Administration (FDA) took two major steps in 1986 toward protecting consumers who are sensitive to sulfites in food.
A cake of rosin, made for use by violinists, used here for soldering. Rosin, also called colophony or Greek pitch (Pix graeca), grÃ¦ca is a solid form of resin obtained from pines and some other, plants mostly, conifers produced by heating fresh liquid resin to vaporize the volatile liquid terpene. components Rosin is often applied to the bow before playing the instrument. 2  Lighter rosin is used for violins and violas. 3  There are darker rosins for cellos and specific, distinguishing types for bassesâfor more see Bow (music) .
Roux (/ Ë r uË /) is flour and fat cooked together and used to thicken sauces. Roux is typically made from equal parts of flour and fat by weight. The flour is added to the melted fat or oil on the stove top, blended until smooth, and cooked to the desired level of brownness. Clarified butter, vegetable oils, bacon drippings or lard are commonly used fats. Roux is used as a thickening agent for gravy, sauces, soups and stews.