While today scurvy is known to be caused by a nutritional deficiency, until the isolation of vitamin C and direct evidence of its link to scurvy in 1932, numerous theories and treatments were proposed, often on little or no experimental data.curvy can be prevented by a diet that includes certain citrus fruits such as oranges or lemons. Other sources rich in vitamin C are fruits such as blackcurrants, guava, kiwifruit, papaya, tomatoes, bell peppers, and strawberries.
Butylene glycol is used in literally thousands of skin care and personal care products. One of the reasons for such wide adoption is that this chemical is relatively cheap, and because it has such a wide variety of effects on the skin.
Toluene is used as a fuel additive to increase octane ratings and as a solvent in paints, paint thinners, adhesives, inks, resins, cleaning agents and inks. It is also used in the synthesis of many organic chemicals including benzene, phenol and xylene and as a raw material in the production of explosives. Toluene is used to manufacture polymers that are used to make nylon, plastic soda bottles, and polyurethanes and for pharmaceuticals, dyes and cosmetic products. Additionally, toluene has been used in the past as a treatment for hookworms and roundworms.