PPT-Lactic Acid Bacteria

Hopkins Microbiology Course 2010 Marcus Schicklberger Lactic Acid Bacteria Gram positive Non sporforming Anaerobes lack catalase Acid and halotolerant Ferment glucose to only lactic acid or to lactic acid CO. Aroma and Flavor Effects. Lucy Joseph. Department of Viticulture and Enology. U.C. Davis. Brettanomyces. Aromas in Wine. Horse sweat - Leather. Earthy. Medicinal. Band Aid. Smoky. Tobacco. Barnyard. ’. IZLIANA BT IBRAHIM. 02DTM11F2036. NOOR ANISAH BOKRI. 02DTM11F2037. SITI FATIMAH BT ABD GHANI. 02BTM11F2060. INTRODUCTION. refers . to a number of dairy drinks. .. the . term buttermilk refers to a range of fermented milk . Dr. . Kamal. E. M. . Elkahlout. Applications of Biotechnology to Food Products . 3. Production of Fermented Foods. (. Fermented Foods Made from Milk. ). Composition of Milk. Milk is the fluid from the mammary glands of animals which is meant for feeding the young of mammals. . Lecturer Dr. . Kamal. E. M. . Elkahlout. Assistant Prof. of . Biotechnology. 1. CHAPTER 2. Some Microorganisms Commonly Used in. Industrial Microbiology and Biotechnology. 2. LIVING THINGS: THREE DOMAINS. Aroma and Flavor Effects. Lucy Joseph. Department of Viticulture and Enology. U.C. Davis. Brettanomyces. Aromas in Wine. Horse sweat - Leather. Earthy. Medicinal. Band Aid. Smoky. Tobacco. Barnyard. Methanogens. Methanogens. are obligate anaerobes that will not tolerate even brief exposure to air (O. 2. ). Anaerobic environments are plentiful, however, and include marine and fresh-water sediments, bogs and deep soils, intestinal tracts of animals, and sewage treatment facilities. . Marcus . Schicklberger. Lactic Acid Bacteria. Gram positive. Non-. sporforming. Anaerobes, lack . catalase. Acid- and . halotolerant. Ferment glucose to only lactic acid or to lactic acid, CO. 2. and . Bio-preservative effect of lafrom fermented cow milk on Olubode TP Oyelakin AO Olawale BRAppliedMicrobiology LUBODE TP e t al INDIAN JOURNAL OF APPLIED MICROBIOLOGY Vol 22 No 3 acid production. Lactic acid was discovered in 1780 by C.W. Scheele in . sour milk. , and in 1881 Fermi obtained lactic acid by . fermentation, resulting . in its industrial production. . The . yearly world . Principles. Microorganisms. Starter Cultures. Fermented Foods. Fermentation Principles . Spoilage versus Fermentation: a matter of . control. Left to their own fate, perishable foods (meat, milk, fruits and vegetables) perish because growth of micro-organisms is not controlled. Agents. . responsible. in . Food. . Fermentations. FE308. -. . Fermentation. . Technology. Spring . 201. 6. Biological agents . responible. in Food Fermentations. Bacteria. a)Lactic acid bacteria. About Lactic acid. Occurs in two isomeric forms L(+)/D(-) and as mixture.. First isolated from Milk in 1798.. First organic acid to be produced by microorganisms in 1880.. Applications of Lactic Acid. What are LABs?. Lactococcus. sp.. Lactobacillus. sp.. Leuconostoc. sp.. Pediococcus. sp.. Oenococcus. sp.. Streptococcus. sp.. Enterococcus. sp.. Sporolactobacillus. sp.. Carnobacterium. sp.. About Lactic acid. Occurs in two isomeric forms L(+)/D(-) and as mixture.. First isolated from Milk in 1798.. First organic acid to be produced by microorganisms in 1880.. Applications of Lactic Acid.