eng Oriental Scientific Publishing Company Biosciences Biotechnology Research Asia 0973-1245 2015-12-25 12 3 2187 2192 10.13005/bbra/1890 3926 article Olga I. Ustinova 1 Yuri V. Ustinov 1 Medical Institute “REAVIZ” 227, Chapaevskaya Str., Samara, 443001, Russian Federation The issue of alimentary correction of health by natural foods of plant origin, metabolically relevant to the organism, is the most important for maintaining human health. Fresh-squeezed lemon juice an hour after intake dramatically increases the biological activity of all body systems, especially cardiovascular system, as well as the stomach-pancreas-spleen systems, lungs, large intestine, liver, and gall-bladder. In case of the functional weakness of these systems, use of lemon juice is appropriate. https://www.biotech-asia.org/vol12no3/biological-activity-of-fresh-squeezed-lemon-juice/ Alimentary correction of health; lemon juice; biological activity of organs; biological activity of lemon juice