An extract of the flower is used to make medicine.
However, when using such extracts it is very difficult to study one process in isolation.
An extract made from this mushroom is used as medicine.
They have been studied in modern medical research since the 1960s, where most studies use extracts, rather than whole mushrooms.
The extract of leaves is used against the horse lice.
I would like to use extracts in my physics/astronomy classes.
An extract from this wood is used in medicine as an astringent.
Modern medicine has used extracts since at least the 1950s as a laxative.
An extract is often used to provide silica for supplementation.
These extracts are also used as fragrances for bath products.