TABLE 2.

Classification of 34 bacterial isolates from 26 ink samples based on their growth under three different conditions (growth media and oxygen levels)

Group	Bacterial growth based on medium and growth conditiona			No. of isolatesb
	Anaerobe agar (no oxygen)	Blood agar (low oxygen)	MLA (atmospheric oxygen)
1	+	–	–	6
2	–	+	+	7 (1)
3	–	–	+	21 (15)

^a MLA, modified letheen agar; +, bacterial growth; –, no bacterial growth.

^b Number in parentheses indicates growth observed after broth enrichment step.