Please note that none of our enzymes are to be considered as being of Food Grade Standard and are not fit for human consumption. They are only suitable for use in education.This Introduction to Enzymes kit demonstrates the effects of pH and temperature and the specificity of enzymes. Emphasis is placed on good experimental technique and appropriate deductions from the results obtained.Suitable for GCSE or 'A' levelExperiments included:Demonstrating enzyme activityEnzyme specificityThe effect of pHThe effect of temperatureThe Introduction to Enzymes Kit includes:Invertase 'Bioinvert'Amylase Working SolutionProteaseSucroseDNS ReagentStarchSodium HydroxidePotassium Sodium Tartrae (+)Hydrochloric Acid - 0.5MIodine - 1% SolutionExposed Film (1.5M x 3.5cm)Full instructionsThe Introduction to Enzymes kit contains sufficient materials for 30 students/student groups.