In vitro comparative study of Bougainvillea spectabilis "stand" leaves and Bougainvillea variegata leaves in terms of phytochemicals and antimicrobial activity

Fawad, Sardar Atiq, Khalid, Nauman, Asghar, Waqas and Suleria, Hafiz Ansar Rasul (2012) In vitro comparative study of Bougainvillea spectabilis "stand" leaves and Bougainvillea variegata leaves in terms of phytochemicals and antimicrobial activity. Chinese Journal of Natural Medicines, 10 6: 441-447. doi:10.1016/S1875-5364(12)60085-5

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Author Fawad, Sardar Atiq
Khalid, Nauman
Asghar, Waqas
Suleria, Hafiz Ansar Rasul
Title In vitro comparative study of Bougainvillea spectabilis "stand" leaves and Bougainvillea variegata leaves in terms of phytochemicals and antimicrobial activity
Journal name Chinese Journal of Natural Medicines
ISSN 1875-5364
Publication date 2012-11-01
Sub-type Article (original research)
DOI 10.1016/S1875-5364(12)60085-5
Open Access Status Not Open Access
Volume 10
Issue 6
Start page 441
End page 447
Total pages 7
Place of publication Oxford, United Kingdom
Publisher Elsevier
Language eng
Formatted abstract
Aim: To study the qualitative analysis of phytochemicals and antibacterial activity of the ethanolic and methanolic extracts of Bougainvillea spectabilis and Bougainvillea variegata leaves.
Methods: Phytochemical constituents were determined qualitatively by the Harborne method, while antimicrobial activities were determined by measuring the zone of inhibition on Mueller Hinton Agar.
Results:
The maximum inhibitory effects were obtained against the Gram positive microbe Staphylococcus aureus for the methanolic extracts of both B. spectabilis [(28.54 ± 0.18) mm] and B. variegata [(21.97 ± 0.06) mm]. The Gram negative microbes Proteus vulgaris [(16.00 ± 0.15) mm] and Serratia marcescens [(16.00 ± 0.06) mm] gave maximum inhibitory effects for the ethanolic extracts of B. variegata, while Salmonella typhimurium [(17.26 ± 0.12) mm] gave a maximum zone of inhibition for the methanolic extract of B. spectabilis. No inhibitory effects were observed for the extracts of B. spectabilis or B. variegate against Enterococcus faecalis, Vibro cholera or Klebsiella pneumoniae.
Conclusion:
Both B. spectabilis and B. variegata possess significant antimicrobial activity that, following additional studies, could replace commercially known antibiotics.
Keyword Bougainvillea spectabilis "stand" leaves
Bougainvillea variegata leaves
Phytochemicals
Antimicrobial activity
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Agriculture and Food Sciences
Official 2013 Collection
 
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Created: Sun, 30 Dec 2012, 10:33:06 EST by System User on behalf of School of Agriculture and Food Sciences