One of the popular tips for 2021 science is the antioxidant substances. It is a new topic layout by the MOE 2 years ago under the KSSM syllabus. Antioxidants are substances that prevent free radicals from carrying oxidation. All antioxidant donate electrons and stop radiation.
Why oxidation is bad for human health? HOT TIPS SPM
Free radicals can cause damage to parts of cells such as proteins, DNA, and cell membranes by stealing their electrons through a process called oxidation.
SOURCES of antioxidants
- Vegetables (Beta Carotene, Lutein, Lycopene, vitamin C)
- Food supplements
- Berries (Vitamin C)
- Fruits (Beta Carotene, Lutein, Lycopene, vitamin C)
- Beans (Vitamin E)
