Color & Pigments Flashcards
1
Q
White color
A
Coagulase negative Staphylococci
2
Q
Gray color
A
Gram (-) rods, Enterococcus spp.
3
Q
Yellow or Off-white color
A
Staphylococcus aureus
Micrococcus spp.
Non-pathogenic Neisseria spp.
4
Q
Buff color
A
Diptheroids
5
Q
Green pigment
A
Pseudomonas aeruginosa
(Due to pyoverdin and pyocyanin)
6
Q
Red pigment
A
Serratia marcescens
(Due to prodigiosin)
7
Q
Purple pigment
A
Chromobacterium violaceum
8
Q
Blue pigment
A
Kluyvera
9
Q
Brown-black pigment
A
Prevotella melaninogenica