In vitro antibacterial time kill studies of leaves extracts of Helichrysum longifolium

Journal of Medicinal Plants Research

Volumn 3, Issue 6, 2009, Pages 462-467

  Aiyegoro, O A ^a   Afolayan, A J ^a   Okoh, A I ^a  

^a UNIVERSITY OF FORT HARE   (South Africa)

Author keywords

Crude extract; Helichrysum longifolium; MIC; Time kill

Indexed keywords

ACETIC ACID ETHYL ESTER; ACETONE; CHLOROFORM; HELICHRYSUM EXTRACT; HELICHRYSUM LONGIFOLIUM EXTRACT; METHANOL; UNCLASSIFIED DRUG; WATER;

ANTIBACTERIAL ACTIVITY; ARTICLE; BACTERICIDAL ACTIVITY; CONTROLLED STUDY; GRAM NEGATIVE BACTERIUM; GRAM POSITIVE BACTERIUM; HELICHRYSUM LONGIFOLIUM; MEDICINAL PLANT; MINIMUM INHIBITORY CONCENTRATION; NONHUMAN; PLANT LEAF;

HELICHRYSUM; NEGIBACTERIA; POSIBACTERIA;

EID: 73449110483     PISSN: 19960875     EISSN: 19960875     Source Type: Journal    
DOI: None     Document Type: Article

References (18)

1. Afolayan AJ, Meyer JJM (1997). The antimicrobial activity of 3, 5, 7- trihydroxyflavone Isolated from he shoot of Helichrysum aureonitens. J. Ethnopharmacol. 57(3): 177-181.
2. Aiyegoro OA, Afolayan AJ, Okoh AI (2008). In vitro time kill assessment of crude Methanol Extract of Helichrysum pedunculatum leaves. Afr. J. Biotechnol. 7(11): 1684-1688.
3. Bougatsos C, Ngassapa O, Runyoro DKB, Chinou IB (2004). Chemical composition and in vitro antimicrobial activity of the essential oils of two Helichrysum species from Tanzania. Zeitschrift fúr Naturforschung 59c: 368-372.
4. Czinner E, Hagmasi K, Blazovics A, Kery A, Szoke E, Lemberkovics E (2001). The in vitro effect of Helichrysum flos on microsomal lipid peroxidation. J. Ethnopharmacol. 77: 31- 35.
5. Dilika F, Afolayan AJ, Meyer JJM (1997). Comparative antibacterial activity of two Helichrysum species used in male circumcision in South Africa. S. Afr. J. Bot. 63:158-159.
6. Eloff JN (1999). The antibacterial activity of 27 South African members of the Combretaceae. S. Afr. J. Sci. 95(3): 148-152.
7. EUCAST (European Committee for Antimicrobial Susceptibility Testing) (2000). Determination of minimum inhibitory concentrations (MICs) of antibacterial agents by agar dilution. Clin. Microbiol. Infect. 6(9): 509-515.
8. EUCAST (European Committee for Antimicrobial Susceptibility Testing) (2003). Determination of minimum inhibitory concentrations (MICs) of antibacterial agents by broth dilution. Clin. Microbiol. Infect. 9(8): 1- 7. Grierson DS, Afolayan AJ (1999). Antibacterial activity of some indigenous plants used for the treatment of wounds in the Eastern Cape, http://en.wikipedia.org/wiki/Strawflower [Assessed 4TH March, 2009]. South Afr. J. Ethnopharmacol. 66: 103-106.
9. Kiem S, Schentag JJ (2006). Relationship of minimal inhibitory concentration and bactericidal activity to efficacy of antibiotics for treatment of ventilator-associated pneumonia. Semin. Respir. Crit. Care Med. 27:51-67.
10. Lourens ACU, Reddy D, Baser KHC, Viljoen AM, Van Vuuren SF (2004). In vitro biological activity and essential oil composition of four indigenous South African Helichrysum species. J. Ethnopharmacol. 95: 253-258.
11. Mathekga ADM, Meyer JJM, Horn MM, Drewes SE (2000). An acylated Phloroglucinol With antimicrobial properties from Helichrysum caespititium. Phytochem. 53: 93-96.
12. Mathekga ADM (2001). Antimicrobial Activity of Helichrysum Species and the Isolation of a New Phloroglucinol from Helichrysum caespititium. PhD dissertation. University of Pretoria, South Africa.
13. NCCLS (National Committee for Clinical Laboratory Standards) (1993). Methods for Dilution of Antimicrobial Susceptibility Tests for Bacteria that Grow Aerobically; Approved Standard, M7-A3. NCCLS, Villanova,PA.
14. Okeke MI, Iroegbu CU, Eze EN, Okoli AS, Esimone CO (2001). Evaluation of the root of Landolphia owerrience for antibacterial activity. J. Ethnopharmacol. 78: 119-127.
15. Okoli S, Iroegbu CU (2005). In vitro antibacterial activity of Synclisa scabrida whole root extract. Afr. J. Biotechnol. 4(9): 946-952.
16. Olorundare EE, Emudianughe TS, Khaar GS, Kuteyi SA, Irobi DN (1992). Antibacterial properties of leaf extract of Cassia alata. Biol. Res. Com. 4: 113-117.
17. Pankey GA, Sabath LD (2004). Clinical relevance of bacteriostatic versus bactericidal Mechanisms of action in the treatment of gram-positive bacterial infections. Clin. Infect. Dis. 38: 864-870.
18. Pelczar MJ, Chan EC, Kruz NR (2006). Microbiology. 5th edition. Teta McGraw-Hill Publishing Company Ltd., New Delhi.