Correlation between chemical composition and antibacterial activity of essential oils of some aromatic medicinal plants growing in the Democratic Republic of Congo

Cimanga, Kanyanga; Kambu, K.; Tona, L.; Apers, Sandra; Bruyne, Tess De; Hermans, Nina; Totté, J.; Pieters, Luc; Vlietinck, A. J.

doi:10.1016/s0378-8741(01)00384-1

Cited by 521 publications

(394 citation statements)

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“…Even though eucalyptol has antimicrobial activity reported, a study assessed the antimicrobial potential of various species of the genus Eucalyptus and no antimicrobial activity was attributed to this compound but to the synergistic capabilities between all the compounds of the essential oil (Cimanga et al, 2002).…”

Section: Resultsmentioning

confidence: 99%

Antimicrobial and antioxidant activity of essential oil and different plant extracts of Psidium cattleianum Sabine

et al. 2016

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The goals of the study were to determine: the antimicrobial and antioxidant activities of essential oil and plant extracts aqueous and ethanolic of Psidium cattleianum Sabine; the chemical composition of the essential oil of P. cattleianum; and the phytochemical screening of aqueous and ethanolic extracts of the same plant. Regarding the antimicrobial activity, the ethanolic extract exhibited moderate antimicrobial activity with respect to bacteria K. pneumoniae and S. epidermidis, whereas, regarding other microorganisms, it showed activity considered weak. The aqueous extract and the essential oil showed activity considered weak, although they inhibited the growth of microorganisms. About the antioxidant potential, the ethanolic and aqueous extracts exhibited a scavenging index exceeding 90%, while the essential oil didn´t show significant antioxidant activity. Regarding the phytochemical composition, the largest class of volatile compounds identified in the essential oil of P. cattleianum included the following terpenic hydrocarbons: α-copaene (22%); eucalyptol (15%), δ-cadinene (9.63%) and α-selinene (6.5%). The phytochemical screening of extracts showed the presence of tannins, flavonoids, and triterpenoids for aqueous and ethanolic extracts. The extracts and essential oils inhibit the growth of microrganisms and plant extracts showed significant antioxidant activity. Also, the phytochemical characterization of the essential oil showed the presence of compounds interest commercial, as well as extracts showed the presence of important classes and compounds with biological activities.Keywords: Psidium cattleianum, antimicrobial action, microdilution, GC-MS, antioxidant activity. Atividade antimicrobiana e antioxidante do óleo essencial e diferentes extratos vegetais de Psidium cattleianum Sabine ResumoOs objetivos do trabalho foram determinar: as atividades antimicrobiana e antioxidante do óleo essencial e dos extratos vegetais aquoso e etanólico de Psidium cattleianum Sabine; a composição química do óleo essencial P. cattleianum e a triagem fitoquímica dos extratos vegetais aquoso e etanólico da mesma planta. Quanto à atividade antimicrobiana, o extrato etanólico apresentou atividade antimicrobiana moderada frente as bactérias K. pneumonieae e S. epidermidis, enquanto frente aos demais micro-organismos apresentou atividade considerada fraca. O extrato aquoso e o óleo essencial apresentaram atividade considerada fraca, embora tenham inibido o crescimento dos micro-organismos. Em relação ao potencial antioxidante, os extratos etanólico e aquoso apresentaram índice de sequestro superior a 90%, enquanto o óleo essencial não apresentou atividade antioxidante significativa. Para a composição fitoquímica, a maior classe de compostos voláteis identificados no óleo essencial de P. cattleianum foram os hidrocarbonetos terpênicos, sendo eles: α-copaeno (22%), eucaliptol (15%), δ-cadineno (9,63%) e α-selineno (6,5%). Na triagem fitoquímica dos extratos verificou-se a presença de taninos, flavonóides e triterpenói...

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Section: Resultsmentioning

confidence: 99%

Antimicrobial and antioxidant activity of essential oil and different plant extracts of Psidium cattleianum Sabine

et al. 2016

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“…The antimicrobial activity of rosemary oil has been demonstrated (8, 14,16,22); however, although there are reports of the incorporation of such compounds in films based on whey protein, the action of rosemary essential oil after the incorporated within packaging has not been thoroughly investigated (48).…”

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confidence: 99%

Microbiological quality and other characteristics of refrigerated chicken meat in contact with cellulose acetate-based film incorporated with rosemary essential oil

De‐Melo¹,

Geraldine²,

Silveira³

et al. 2012

Braz. J. Microbiol.

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Antimicrobial active packaging delays or inhibits microorganism growth in packed products, and it can be used in a variety of food systems. The objective of the present research was to develop packaging incorporated with natural antimicrobial agents (active film). The effects of the active film on the spoilage, pathogenic microorganism counts, pH and color of the refrigerated chicken breast cuts were analyzed.Cellulose acetate-based active films incorporating two concentrations (20% and 50%, v/w) of rosemary (Rosmarinus officinalis L.) essential oil were manufactured and placed in contact with the chicken breast cuts for six days. An analysis of variance and mean comparison tests (Tukey's test, p<0.05) were performed on the results. The films that contained 20% essential oil and were intercalated with chicken breast samples did not demonstrate significant effects on the control of psychrotrophic or total coliform microorganisms during the storage period; however, the films incorporated with 50% essential oil demonstrated efficacy toward the control of coliforms during the storage of the samples (6 days, 2 ± 2ºC). The pH was related to the psychrotrophic microorganism count and was not influenced by the treatment. The color was not influenced by the time of storage or the treatment. The results demonstrate that active films incorporating 50% rosemary essential oil are effective at controlling certain microorganisms in chicken breast cuts.

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“…In vitro studies on plants used in traditional medicine have been carried out in the field of microbiology, especially on pathogenic bacterial growth; and some of these studies were about the antimicrobial activity of Mikania glomerata Spreng ("guaco") (Boyayan 2002, Holetz et al 2002, Psidium guajava L (guava) (Gnan & Demello 1999, Jaiarj et al 1999, Nascimento et al 2000, Ahmad & Beg 2001, Abdelrahim et al 2002, Holetz et al 2002, Voravuthikunchai et al 2004, Qadan et al 2005 (Ankri & Mirelman 1999, Ahmad & Beg 2000, Srinivasan et al 2001, Benkeblia 2004, Zingiber officinale Roscoe (ginger) (Silva Junior et al 1994, Konning et al 2004, Cymbopogon citratus (DC) Stapf (lemongrass) (Cimanga et al 2002, Di Stasi & HirumaLima 2002, Mentha piperita L (mint) (Silva Junior et al 1994, Tassou et al 2000, and Baccharis trimera (Less.) DC ("carqueja") (Avancini et al 2000).…”

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confidence: 99%

Synergism between plant extract and antimicrobial drugs used on Staphylococcus aureus diseases

Betoni¹,

Mantovani²,

Barbosa³

et al. 2006

Mem. Inst. Oswaldo Cruz

282

160

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Searches for substances with antimicrobial activity are frequent, and medicinal plants have been considered interesting by some researchers since they are frequently used in popular medicine as remedies for many infectious diseases. The aim of this study was to verify the synergism between 13 antimicrobial drugs and 8 plant extracts -"guaco" (Mikania glomerata), guava (Psidium guajava), clove (Syzygium aromaticum), garlic (Allium sativum), lemongrass (Cymbopogon citratus), ginger (Zingiber officinale), "carqueja" (Baccharis trimera), and mint (Mentha piperita) -against Staphylococcus aureus strains, and for this purpose, the disk method was the antimicrobial susceptibility test performed. Petri dishes were prepared with or without dilution of plant extracts at sub-inhibitory concentrations in Mueller-Hinton Agar (MHA) In a constant attempt to improve their quality of life, men have used plants as source of food, shelter, clothing, medicine, cosmetics, and for seeking relief from hardship of life. Some plants are known as medicinal because they contain active substances that cause certain reactions, from relenting to the cure of diseases, on the human organism (Silva Junior et al. 1994). Knowledge on medicinal plants sometimes means the only therapeutic resource of some communities and ethnic groups (Di Stasi 1996); and their use, especially in South America, contributes significantly to primary health care (Holetz et al. 2002). Infectious diseases still represent an important cause of morbidity and mortality among humans, especially in developing countries. Even though pharmaceutical industries have produced a number of new antimicrobial drugs in the last years, resistance to these drugs by microorganisms has increased. In general, bacteria have the genetic ability to transmit and acquire resistance to drugs used as therapeutic agents (Nascimento et al. 2000).In vitro studies on plants used in traditional medicine have been carried out in the field of microbiology, especially on pathogenic bacterial growth; and some of these studies were about the antimicrobial activity of Mikania glomerata Spreng ("guaco") (Boyayan 2002, Holetz et al. 2002, Psidium guajava L (guava) (Gnan & Demello 1999, Jaiarj et al. 1999, Nascimento et al. 2000, Ahmad & Beg 2001, Abdelrahim et al. 2002, Holetz et al. 2002, Voravuthikunchai et al. 2004, Qadan et al. 2005, Syzygium MATERIALS AND METHODSPlant samples -M. glomerata, P. guajava, B. trimera, M. piperita, and C. citratus samples were collected in 2004 from an experimental field of the School of Agronomical Sciences, Unesp, Botucatu, São Paulo, Brazil, and the voucher specimens were deposited at the Herbarium of the Department of Botany, Institute of Biosciences, Unesp. Their leaves were dried at 40 o C and triturated in a mechanical mill. A. sativum, S. aromaticum, and Z. officinale samples were obtained from the local commerce in the same year and were used in natura for the extracts preparation. Preparation of plant extracts -Plant material, dried (M. glomerata, P. guajava, B. ...

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Correlation between chemical composition and antibacterial activity of essential oils of some aromatic medicinal plants growing in the Democratic Republic of Congo

Cited by 521 publications

References 22 publications

Antimicrobial and antioxidant activity of essential oil and different plant extracts of Psidium cattleianum Sabine

Antimicrobial and antioxidant activity of essential oil and different plant extracts of Psidium cattleianum Sabine

Microbiological quality and other characteristics of refrigerated chicken meat in contact with cellulose acetate-based film incorporated with rosemary essential oil

Synergism between plant extract and antimicrobial drugs used on Staphylococcus aureus diseases

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