Extract limonene from citrus
Limonene is a clear liquid that smells of freshly peeled oranges. It can be used in biodegradable cleaning soap, biofuel, botanical insecticide, insect repellent, and it is said to relieve gastroesophageal reflux disease and heartburn.
This video shows how to extract limonene without having to waste lots of energy on distillation or having to use toxic solvents such as liquid carbon dioxide.…