(ubiquinone, vitamin Q, mitoquinone, quinones)
Vitamin Q is a group of coenzyme Q or ubiquinone. Fredrick L. Crane and his colleagues discovered them in 1957. Next year was determined their structure. Rüg and his collaborators performed the first synthesis of coenzyme Q, while the role of the it first found Dr. Karl A. Folkers and colleagues. These substances synthesized by organisms of animals, plants and microorganisms. Under normal conditions, the human body synthesize ubiquinone in sufficient quantities, and are increasingly ubiquinone no longer ranked among the vitamins. However, when they discovered they were called vitamins and many of them today so considered.