8 class

Description: In this laboratory work, you will learn how to use ordinary iodine to determine the concentration of vitamin C in juice. Long-term plan section Subsections of the standard curriculum Learning objectives Nutrition Vitamins and their meaning. Water-soluble and fat-soluble vitamins. The daily norm of vitamins. Vitamin deficiency, hypovitaminosis and hypervitaminosis. Chicken blindness (with beriberi A), beriberi disease (with beriberi B1), scurvy (with beriberi C), rickets (with beriberi D). Laboratory work Determination of vitamin C in food”. 8.1.2.5 describe the value of vitamins in the human body; 8.1.2.6 make a list of foods with a significant vitamin content; 8.1.2.7 determine the presence of vitamin C in food