Food Tests
- Created by: JC_2001
- Created on: 06-03-19 11:04
View mindmap
- Food Tests
- Proteins
- biuret test
- add biuret reagent to solution, mix - lilac/purple = protein present
- biuret test
- Carbohydrates
- Starch
- add iodine in KI solution - blue black colour = starch present
- Reducing sugars
- add benedicts solution & heat - orange/red precipiate = reducing sugar present
- Non-reducing sugars
- boil with dilute acid (HCl), neutralise with HCO3, test again with benedicts
- Starch
- Lipids
- emulsion test
- add ethanol to substance, mix, pour ethanol into test tube w/ water - turns milky (forms an EMULSION) = lipids present
- emulsion test
- Proteins
Comments
No comments have yet been made