| Lactobacillus viridescens | A species found in discolored cured meat products such as sausage and bologna. (05 Mar 2000) |
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| liver Lactobacillus casei factor | <biochemistry> Pteridine derivative that is abundant in liver and green plants and is a growth factor for some bacteria. The biochemically active form is tetrahydrofolate (see folate). (12 Nov 1997) |