Porphyromonas spp. are oral anaerobic Gram-negative bacteria that form black-pigmented colonies on blood agar and produce volatile sulfur compounds (VSCs). such as hydrogen sulfide (H2S). methyl mercaptan (CH3SH). https://yeswellneses.shop/product-category/hair-colour/
Volatile Sulfur Compounds Produced by the Anaerobic Bacteria Porphyromonas spp. Isolated from the Oral Cavities of Dogs
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