Citrus peel oil extracts as mosquito larvae insecticides.

The seeds and rhizomes are sold whole, as powder, or as oil extracts.

Another product is the oil extract from the neem tree (Azadirachta indica), a member of the mahogany family.

Essential oil extracts of E. africanus are prepared by steam distillation, and contain the following primary aroma components:

The oil extract can be sealed into ordinary capsules or tablets and taken orally.

"Ordinaire" and "demi-fine" could be artificially colored and made from oil extracts.

It contains clove oil extract, usually at a ratio of 1:10 to 1:100.

Its oil extract increases levels of prostaglandin E, and reduces transdermal inflammation when applied topically.

Quality of bird diet affects the amount of polyunsaturated fat in the oil extract, which could limit standardization of effect.

Essential oil extracts of Artemisia afra are prepared by steam distillation using twigs and blossoms.