Antimicrobial activity of four annual Papaver species growing in Turkey

Figures & data

Table 1.  Minimum inhibitory concentrations of extracts from four Papaver species (μg/mL).

Species or reference compound	Gram-positive bacteria			Gram-negative bacteria				Yeast
	Extract	Sa	Se	Kp	Pm	Ec	Pa	Ca
P. argemone subsp. davisii	PE	156.2	625	1250	1250	1250	1250	625
	DEE	39.06	312.5	1250	1250	1250	625	—
	C	39.06	1250	1250	2500	1250	625	625
	A	625	625	1250	1250	1250	1250	625
	E	625	625	1250	1250	—	1250	312.5
P. clavatum	PE	78.12	625	—	625	625	—	625
	DEE	78.12	312.5	—	—	312.5	—	625
	C	78.12	—	—	—	312.5	—	—
	A	156.2	625	—	—	—	—	625
	E	—	—	—	—	—	—	625
P. dubium subsp. lecoqii var. lecoqii	PE	9.76	625	625	1250	1250	625	625
	DEE	19.52	312.5	1250	625	1250	625	—
	C	78.12	625	1250	1250	1250	1250	625
	A	1250	625	—	1250	1250	1250	625
	E	625	625	1250	1250	1250	1250	625
P. rhoeas	PE	78.12	625	—	625	1250	—	625
	DEE	39.06	156.2	—	—	1250	—	625
	C	39.06	156.2	—	625	1250	—	625
	A	39.06	312.5	—	—	625	—	625
	E	156.2	—	—	—	—	—	—
Cefuroxime-Na		1.2	9.8	4.9	2.4	4.9
Ceftazidime							2.4
Clotrimazole								4.9

Sa, Staphylococcus aureus; Se, Staphylococcus epidermidis; Kp, Klebsiella pneumoniae; Pm, Proteus mirabilis; Ec, Escherichia coli; Pa, Pseudomonas aeruginosa; Ca, Candida albicans.

— , not active.

PE, petroleum ether; DEE, diethyl ether; C, chloroform; A, acetone; E, ethanol.