Oral d'etlv avec marinou

Detection of biomolecules in food

etlv project

Lara & Marine

--> Genially

Index

1.

5.

Introduction

The Essentials

6.

2.

Experiment 1

Summary

7.

3.

Table

Experiment 2

Products & Risks

4.

Table

There are several tests to identify the nutrients in various foods. The protocol for each of these tests is explained below.

Table ;

Sous-titre

Products & Risks

product and risk disclosure

Fehling's liquor

Corrosive and hazardous to the environment: skin irritation, eye damage, respiratory irritation

The Essentials

Material & Consumer

Reagents, Solutions & Tested Foods

• Knife
• Hemolysis tube
• Pipettes & Tips
• Cup

• Candy
• Ultra pure water

• Fehling's liquor

Protocole

Fehling's Liquor Carbohydrate Test

• Crush the candy into pieces and then put it in the hemolysis tube

Lab coat obligatory

• Add ultrapure water and homogenize

• add a few drops of Fehling's liquor

Nitrile gloves + goggles

• Place the hemolysis tube in the Mari bath

Products & Risks

product and risk disclosure

picric acid

it carries a chemical danger, it is highly toxic for humans and the environment and is flammable

3. The Essentials

Material & Consumer

Reagents, Solutions & Tested Foods

• waste bin
• extractor hood

• Hemolysis tube
• Nitrile gloves + goggles

• Saint yorre
• Picric acide

10. protocole

test of ions in certain solution with picric acid

• pour a few drops of picric acid into a test tube containing 1ml of solution

Lab coat obligatory Nitrile gloves goggles under the hood

• Homogenize and wait a few seconds

• Discard the used material in a special trash can, observe if there are any yellow needles.

yellow needle = presence of potassium ion