International A Level Biology / Cardiovascular health and risk

Core practical 2: vitamin C content of food and drink

Edexcel International A Level Biology (YBI11), chapter 3: Cardiovascular health and risk, specification point 1.14. Part of the full course.

Read the revision notes · International A Level Biology past papers

This practical uses the colour change of DCPIP to estimate the vitamin C content of food and drink. You calibrate the dye with a known vitamin C solution, then use the same amount of dye to compare juices.

More lessons in Cardiovascular health and risk

• Risk, correlation and cause
• Reading illness and mortality data
• Evaluating studies of health risk
• Risk factors for cardiovascular disease
• Energy balance, BMI and waist-to-hip ratio
• Blood cholesterol, HDLs and LDLs
• Dietary antioxidants and CVD
• Treatments for CVD: benefits and risks