1 Obligate aerobes: They have absolute requirement for oxygen in order to grow. 2  Psuedomonas aeruginosa, Mycobacterium tuberculosis. 3  Anaerobes: Usually can not grow in the presence of oxygen. 4  Obligate anaerobes: These bacteria grow only under condition of high reducing intensity and for which oxygen is toxic.
Wild yam is a plant. It contains a chemical, diosgenin, which can be made in the laboratory into various steroids, such as estrogen and dehydroepiandrosterone (DHEA). The root and the bulb of the plant are used as a source of diosgenin, which is prepared as an âextract,â a liquid that contains concentrated diosgenin.
The ability of the oil to repel pests has been known for thousands of years; the oil also has been used on skin and medicinally. When the natural neem oil is removed from the seeds and treated with alcohol, virtually all of the azadirachtin and related substances separate from the oil itself.The remaining oil-without the azadirachtin-is called Clarified Hydrophobic Extract of Neem Oil.Azadirachtin acts in the following ways: It deters certain insects, such as locusts, from feeding and it interferes with the normal life cycle of insects, including feeding, molting, mating, and egg lying.umans have used this naturally-occurring oil for centuries for medicinal, cosmetic, and pesticidal purposes. When used in pesticide products, both azadirachtin and clarified hydrophobic extract of Neem Oil can be applied to many food and non-food crops indoors and outdoors to control certain insects and related pests.