Paper · 2007 · Journal of Food Agriculture & Environment

Antimicrobial activity and genetic diversity of Thymus species on pathogenic microorganisms

Basem F. Dababneh

5
claims
6
verbatim quotes
26
citations
2
research areas
—
Not open access

Abstract

Phytochemicals are extensively found at different levels in many medicinal plants. The aim was to evaluate the antimicrobial activity of three thymus species (T. vulgaris Jo 276, T. boveii Jo 856 and T. broussonetii) against six pathogens (Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Enterobacter sp., Candida albicans and Candida albicans (WHO)) and to determine the genetic variation among the thymus species. T. vulgaris, T. boveii and T. broussonetii inhibited the growth of all six microorganisms at all used extract amounts (100, 200, 400, 600, 800 and 1000 mg/ml). Based on variation of RAPD patterns obtained with three primers (OPB1, OPB5 and OPB7), the similarity among Thymus spp. was determined. The UPGMA-based (unweighted pair group method of arithmetic means) dendrogram constructed between the three species depends on the similarity matrix results. T. vulgaris and T. boveii showed closer genetic relationship than T. broussonetii, they also showed higher antimicrobial activity on most microorganisms tested.

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Claims 5

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

T. vulgaris extract inhibited the growth of all six tested microorganisms at all extract amounts used (100-1000 mg/ml).

Taxon
T. vulgarisThymus vulgarise0
Treatment
extract amounts (100, 200, 400, 600, 800 and 1000 mg/ml)e0
Outcome
growth of all six microorganismse0
Direction
inhibitede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Thymus vulgaris
Thymus vulgaris · TaxonIsidre blanc · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“T. vulgaris, T. boveii and T. broussonetii inhibited the growth of all six microorganisms at all used extract amounts (100, 200, 400, 600, 800 and 1000 mg/ml)”

✓ located verbatim in the source · abstract, characters 433–591 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

T. boveii extract inhibited the growth of all six tested microorganisms at all extract amounts used (100-1000 mg/ml).

Taxon
T. boveiie0
Treatment
extract amounts (100, 200, 400, 600, 800 and 1000 mg/ml)e0
Outcome
growth of all six microorganismse0
Direction
inhibitede0

Not reportedComparator

Verbatim

e0

“T. vulgaris, T. boveii and T. broussonetii inhibited the growth of all six microorganisms at all used extract amounts (100, 200, 400, 600, 800 and 1000 mg/ml)”

✓ located verbatim in the source · abstract, characters 433–591 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

T. broussonetii extract inhibited the growth of all six tested microorganisms at all extract amounts used (100-1000 mg/ml).

Taxon
T. broussonetiiThymus broussonetiie0
Treatment
extract amounts (100, 200, 400, 600, 800 and 1000 mg/ml)e0
Outcome
growth of all six microorganismse0
Direction
inhibitede0

Not reportedComparator

Verbatim

e0

“T. vulgaris, T. boveii and T. broussonetii inhibited the growth of all six microorganisms at all used extract amounts (100, 200, 400, 600, 800 and 1000 mg/ml)”

✓ located verbatim in the source · abstract, characters 433–591 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

T. vulgaris and T. boveii showed a closer genetic relationship to each other than to T. broussonetii, based on RAPD patterns.

Taxon
T. vulgaris and T. boveiie0
Outcome
genetic relationshipe0
Direction
closere0
Comparator
T. broussonetiie0

Verbatim

e0

“T. vulgaris and T. boveii showed closer genetic relationship than T. broussonetii”

✓ located verbatim in the source · abstract, characters 887–968 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

T. vulgaris and T. boveii also showed higher antimicrobial activity on most microorganisms tested.

Taxon
T. vulgaris and T. boveiie0
Outcome
antimicrobial activity on most microorganisms testede1
Direction
highere1
Comparator
T. broussonetiie0

Verbatim

e0

“T. vulgaris and T. boveii showed closer genetic relationship than T. broussonetii”

✓ located verbatim in the source · abstract, characters 887–968 · show in text ↑
e1

“they also showed higher antimicrobial activity on most microorganisms tested”

✓ located verbatim in the source · abstract, characters 970–1046 · show in text ↑

botanical · growth · Thymus vulgaris (thyme)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this paper

  1. positive
  2. positive
See all 3 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.