Introduction.- Total content of unsaponifiable matter and content of corresponding chemical families in various plant seed oils: Species A to B.- Total content of unsaponifiable matter and content of corresponding chemical families in various plant seed oils: Species C.- Total content of unsaponifiable matter and content of corresponding chemical families in various plant seed oils: Species D to K.- Total content of unsaponifiable matter and content of corresponding chemical families in various plant seed oils: Species L to N.- Total content of unsaponifiable matter and content of corresponding chemical families in various plant seed oils: Species O to Q.- Total content of unsaponifiable matter and content of corresponding chemical families in various plant seed oils: Species R to Z.- Exceptionally high content of unsaponifiable matter in plant species with high fat content.

- Structures of chemical constituents listed, ordered by family.- Synopsis of species names.