Examples of microorganisms that can do this include:
• Some lactic acid bacteria, e.g., Pediococcus acidilactici and Streptococcus thermophilus
• some Bacillus
• Some Clostridium spp.
Acidoduric Bacteria
Acidoduric bacteria are those bacteria that can grow relatively rapidly in food at pH 4.6 or below. They are usually associated with spoilage of acidic food products such as fruit juices, pickles, salsa, salad dressings, mayonnaise, and fermented sausages. This group includes:
• Heterofermentative lactic acid bacteria
– Lactobaccillus fructivorans
– Lactobaccillus fermentum
– Leuconostoc mesenteroides
• Homofermentative lactic acid bacteria
– Lactobaccillus plantarum
– Pediococcus acidilactici
• Yeasts and molds are aciduric
Heterofermentative lactic acid bacteria produce lactic acid and carbon dioxide (CO2). Homofermentative lactic acid bacteria produce lactic acid, but no carbon dioxide.
Examples of microorganisms that can do this include:• Some lactic acid bacteria, e.g., Pediococcus acidilactici and Streptococcus thermophilus• some Bacillus • Some Clostridium spp. Acidoduric BacteriaAcidoduric bacteria are those bacteria that can grow relatively rapidly in food at pH 4.6 or below. They are usually associated with spoilage of acidic food products such as fruit juices, pickles, salsa, salad dressings, mayonnaise, and fermented sausages. This group includes:• Heterofermentative lactic acid bacteria – Lactobaccillus fructivorans – Lactobaccillus fermentum – Leuconostoc mesenteroides• Homofermentative lactic acid bacteria – Lactobaccillus plantarum – Pediococcus acidilactici• Yeasts and molds are aciduric Heterofermentative lactic acid bacteria produce lactic acid and carbon dioxide (CO2). Homofermentative lactic acid bacteria produce lactic acid, but no carbon dioxide.
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