Lecithin

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/lecithin

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. Who discovered Lecithin?1845
2. What is the discoverer?Théodore Gobley
3. What is the formula?Mixtures of glycerophospholipids including phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, phosphatidylserine, and phosphatidic acid
4. What is lecithin and why does it help foods not stick?Lecithin is a special ingredient that has parts that like water and parts that like fat. This lets it mix oil and water together, so foods stay smooth and don’t stick.
5. How does lecithin make chocolate and sauces smooth?It acts like a bridge between oil and water, reducing stickiness and keeping the ingredients together. This keeps chocolate silky and sauces stable.

Amphiphilic: Possessing both hydrophilic (water-attracting) and lipophilic (fat-attracting) properties, enabling interaction with diverse phases.
Glycerophospholipids: A class of lipids that are major components of all cell membranes, characterized by a glycerol backbone.
Surfactant: A compound that lowers the surface tension between two liquids or between a liquid and a solid, facilitating emulsification and wetting.
Liposome: A spherical vesicle having at least one lipid bilayer, used to deliver drugs or other substances into cells.