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added information for all species of Pedio being homofermentative
[[File:Pedio sugars.JPG|right|Pedio fermentables <ref>Wine Microbiology. Practical Applications and Procedures. Kenneth C. Fugelsang, Charles G. Edwards.</ref>]]
About 90% of sugar metabolized by ''Pediococcus'' produces lactic acid. It does so by homolactic fermentation producing primarily lactic acid (same EMP pathway as [[Lactobacillus#Types_of_Metabolism|''Lactobacillus'' homolactic fermentation]]), although some species/strains can convert glycerol to lactic acid, acetic acid, acetoin, and CO2 under aerobic conditions (''P. damnosus'' is not in this category) <ref>[https://books.google.com/books?id=1b1CAgAAQBAJ&pg=RA2-PA1&lpg=RA2-PA1&dq=pediococcus+damnosus+homolactic&source=bl&ots=myI2alVB78&sig=cG-yWB4GuABQFEtqD2CAyKmU0TE&hl=en&sa=X&ved=0CEAQ6AEwBGoVChMI66C5593-xgIVCVKICh3Pcg7c#v=onepage&q=pediococcus%20damnosus%20homolactic&f=false Encyclopedia of Food Microbiology. Pediococcus. Carl A. Batt. Academic Press, Sep 28, 1999 .]</ref>. ''P. damnosus'' can ferment glucose, sucrose, and galactose. Some strains of ''P. damnosus'' can ferment maltose and sucrose <ref name="ucdavis"></ref>. The disaccharide trehalose is the preferred carbon source for Pediococci <ref name="Geissler"></ref>. All species in the ''Pediococcus'' genus are considered obligatory homofermentative <ref>[http://aem.asm.org/content/81/20/7233.full A Genomic View of Lactobacilli and Pediococci Demonstrates that Phylogeny Matches Ecology and Physiology. Jinshui Zheng, Lifang Ruan, Ming Sun and Michael Gänzle. 2015.]</ref>.
===Carbohydrate Metabolism===