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.
1 Raw Neem-has been used by households and industries for a number of uses. 2  Neem Extract-Part of neem tree like leaf, seed or bark is either soaked in water or organic solvents and alcohol to get the concentrated compounds.eem leaves, oil, and neem extracts are used to produce a wide range of medicinal and beauty care products. Neem oil has insecticidal and medicinal properties due to which it has been used in pest control, cosmetics, medicines, etc.