Higher Chemistry Antioxidants and Free Radicals
Channel: Andrew Hay
Date: 2021-02-07

Our final organic video tackles the connection between preserving food and why we get wrinkly with age. SQA p76,77 Scholar p188-210, 237-249
Excellent UV video here https://www.youtube.com/watch?v=V9K6gjR07Po&t=403s
0:00 Intro
1:08 Definition time
2:49 Coloured light=energy
3:36 Breaking bonds with light
4:03 Wear Sunscreen
5:00 Breaking bonds with UV
5:51 Upaired es = free radicals
7:11 Radical reactions overall
7:42 Initiation
8:03 Propogation
11:54 Termination
13:19 How to spot them
14:39 Free radical scavengers
16:12 I apologise