title: Study of physic-chemical and biochemical parameters of technical varieties of grapes
abstract: Abstract The authors studied introduced (Aligote, Rkatsiteli, White Muscat, Riesling Rhine), indigenous (Kokur white, Sabbat) and classified varieties of grapes of Magarach Institute (first-born Magarach, Citron Magaracha, Muscat aligote), growing in Crimea, according to physicochemical and biochemical indicators. The feature of grape aromatic varieties is the high content of phenolic substances in the must (404–640 mg/l), the activity of monophenol-monooxygenase, macerating ability. Indigenous 
journal: IOP Conference Series Earth and Environmental Science