CEREVISIAE.Saccharomyces cerevisiae is used in the manufacturing of ALCOHOLIC beverages.Particular strains of this species are employed in fermentation and exert a profound influence on the flavour and aroma characteristics of different beverages.It ferments sugars from VARIOUS sources, e.g. grapes for wine, barley for beer, alcohol, and carbon dioxide.The fermentation of alcohol requires oxygen and its availability will determine the PRODUCTION rate of vinegar.Kluyveromyces lactis:-Kluyveromyces lactis formerly known as Saccharomyces lactis is a yeast that has the ABILITY to assimilate lactose and convert it into lactic acid.Pichia pastoris:-Pichia pastoris is a species of methylotrophic yeast.These species were found in the 1960s, with its feature of using methanol.It acts as a source of carbon and energy.Cryptococcus neoformans:-Cryptococcus neoformans is a fungus that lives in the environment throughout the world.People can become infected with C. neoformans after breathing in the microscopic fungus, although most people who are exposed to the fungus never get sick from it.