Assessment of antistaphylococcal activity of ethanolic extract of Lenzites quercina (L) P. Karsten against clinical Staphylococcus species

Abubakar, Zeniyat; Ogidi, Olusola Clement; Oyetayo, Victor Olusegun

doi:10.1186/s40816-016-0024-5

Clinical Phytoscience

International Journal of Phytomedicine and Phytotherapy

Table 3 Zones of inhibition (mm) of ethanolic extract of Lenzites quercina against tested species of Staphylococcus at 50 mg/ml

From: Assessment of antistaphylococcal activity of ethanolic extract of Lenzites quercina (L) P. Karsten against clinical Staphylococcus species

Clinical samples	Isolates	Extract	Erythromycin (20 mg/ml)	Metronidazole (20 mg/ml)
Urine	SASH-1	8.0^a ± 0.0	14.0^b ± 0.0	9.3^a ± 0.1
Urine	SASH-2	12.0^b ± 0.0	10.0^a ± 0.0	10.0^a ± 0.1
Urine	SASH-3	0.0^a	15.0^c ± 0.0	11.0^b ± 0.0
Sputum	SASH-4	0.0^a	10.0^b ± 0.0	0.0^a
Sputum	SASH-5	0.0^a	8.3^b ± 0.1	0.0^a
Pus	SASH-6	13.0^a ±0.0	14.0^a ± .0	24.0^b ± 0.2
Pus	SASH-7	15.0^b ± 0.0	13.0^a ±0.1	18.0^c ± 0.0
Pus	SASH-8	11.0^a ±0.1	10.0^a ±0.1	13.0^b ± 0.0
Pus	SASH-9	14.0^a ±0.0	20.0^c ± 0.0	17.0^b ± 0.0
Stool	SASH-10	0.0^a	18.0^c ± 0.0	14.2^b ± 0.1
Wound swab	SASH-11	10.0^b ± 0.0	8.0^a ± 0.1	17.1^c ± 0.2
Wound swab	SASH-12	18.0^c ± 0.0	0.0^a	15.2^b ± 0.0
Wound swab	SASH-13	11.0^a ±0.3	17.0^b ± 0.0	17.0^b ± 0.6
Wound swab	SASH-14	20.0^c ± 0.0	0.0^a	9.0^b ± 0.0
Wound swab	SASH-15	0.0^a	0.0^a	18.0^b ± 0.0
Wound swab	SASH-16	14.0^b ± 0.2	21.0^c ± 0.1	0.0^a
Urine	SADB-17	7.0^b ± 0.02	10.0^c ± 0.1	0.0^a
Urine	SABD-18	10.0^b ± 0.0	0.0^a	15.0^c ± 0.0
Urine	SADB-19	7.0^a ±0.0	12.0^b ± 0.0	23.0^c ± 0.0
Sputum	SADB-20	0.0^a	10.3 ± 0.13	0.0^a
Sputum	SADB-21	0.0^a	12.0^b ± 0.0	0.0^a
Pus	SADB-22	17.0^c ± 0.0	10.0^b ± 0.0	0.0^a
Pus	SADB-23	12.0^a ±0.0	13.1^a ±0.3	19.0^c ± 0.0
Pus	SADB-24	16.0^a ± 0.0	22.0^b ± 0.1	20.0^c ± 0.1
Stool	SABD-25	0.0^a	15.1^b ± 0.1	21.0^c ± 0.1
Wound swab	SADB-26	0.0^a	0.0^a	18.0^b ± 0.0
Wound swab	SADB-27	6.0^a ±0.0	18.0^c ± 0.0	16.1^b ± 0.3
Wound swab	SADB-28	0.0^a	15.0^b ± 0.0	14.2^b ± 0.1
Pus	SEDB-29	8.0^b ± 0.0	0.0^a	20.0^c ± 0.0
Wound swab	SEDB-30	0.0^a	0.0^a	18.0^b ± 0.0
Wound swab	SEDB-31	13.0^b ± 0.0	0.0^a	16.0^c ± 0.0
Wound swab	SEDB-32	0.0^a	17.0^c ± 0.0	9.0^b ± 0.0
Pus	SESH-33	0.0^a	0.0^a	11.0^b ± 0.0
Pus	SESH-34	10.0^b ± 0.0	8.0^a ±0.0	13.0^c ± 0.0
Pus	SESH-35	22.0^c ± 0.0	0.0^a	10.3^b ± 0.1
Wound swab	SESH-36	18.0^c ± 0.3	14.3^b ± 0.2	0.0^a
Wound swab	SESH-37	14.0^b ± 0.0	0.0^a	15.0^b ± 0.0
Wound swab	SESH-38	0.0^a	9.0^b ± 0.0	0.0^a
Urine	SSSH-39	10.0^b ± 0.0	11.0^b ± 0.0	0.0^a
Urine	SSSH-40	16.1^b ± 0.3	0.0^a	16.0^b ± 0.0
Urine	SSSH-41	8.0^b ± 0.0	9.0^b ± 0.0	0.0^a
Urine	SSSH-42	0.0^a	11.0^c ± 0.0	7.0^b ± 0.0
	*MRSA	13.3^c ± 0.2	11.0^b ± 0.0	8.3^a ± 0.2
	*S. aureus (ATCC 29213)	14.3^ab ± 0.1	15.0^b ± 0.0	12.7^a ± 0.8

Values are mean ± sd of replicates (n = 3), means with different letters within a row are significantly different by Duncan (P < 0.05), 0.0 = no zone of inhibition observed, *isolates are used as the control
SASH1-16 Staphylococcus aureus from State Specialist Hospital, Akure, SADB17-28 Staphylococcus aureus from Don Bosco Hospital, Akure, SEDB29-32 Staphylococcus epidermidis from Don Bosco Hospital, Akure, SESH33-38 Staphylococcus epidermidis from State Specialist Hospital, Akure, SSSH39-42 Staphylococcus saprophyticus from State Specialist Hospital, Akure

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