Paper · 2018 · Scientific Reports

Thymol nanoemulsion exhibits potential antibacterial activity against bacterial pustule disease and growth promotory effect on soybean

Sarita Kumari; R. V. Kumaraswamy; Ram Chandra Choudhary; et al.

6
claims
13
verbatim quotes
185
citations
2
research areas
✓
Open access · cc-by

Abstract

An antibacterial and plant growth promoting nanoemulsion was formulated using thymol, an essential oil component of plant and Quillaja saponin, a glycoside surfactant of Quillaja tree. The emulsion was prepared by a sonication method. Fifty minutes of sonication delivered a long term stable thymol nanoemulsion which was characterized by dynamic light scattering (DLS), transmission electron microscopy (TEM), cryogenic-field emission scanning electron microscopy (Cryo-FESEM) and fourier transform infra-red (FTIR) spectroscopy. Creaming index, pH and dilution stability were also studied for deliberation of its practical applications. The nanoemulsion (0.01-0.06%, v/v) showed substantial in vitro growth inhibition of Xanthomonas axonopodis pv. glycine of soybean (6.7-0.0 log CFU/ml). In pot experiments, seed treatment and foliar application of the nanoemulsion (0.03-0.06%, v/v) significantly lowered the disease severity (DS) (33.3-3.3%) and increased percent efficacy of disease control (PEDC) (54.9-95.4%) of bacterial pustule in soybean caused by X. axonopodis pv. glycine. Subsequently, significant enhancements of plant growth were also recorded in plants treated with thymol nanoemulsion. This is the first report of a thymol based nanoemulsion obtained using Quillaja saponin as a surfactant. Our study claims that nano scale thymol could be a potential antimicrobial and plant growth promoting agent for agriculture.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The thymol nanoemulsion showed substantial in vitro growth inhibition of Xanthomonas axonopodis pv. glycine.

Taxon
soybeanGlycine maxt0
Treatment
nanoemulsion (0.01-0.06%, v/v)e1
Interactor
Xanthomonas axonopodis pv. glycineXanthomonas axonopodise1pathogen
Outcome
in vitro growth inhibitione1
Value
6.7-0.0 log CFU/mle1
Setting
in vitroe1

Not reportedComparatorDirection

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Xanthomonas axonopodis
Xanthomonas axonopodis · InteractorPublic domain · Wikimedia Commons ↗

Verbatim

t0

“growth promotory effect on soybean”

✓ located verbatim in the source · title, characters 100–134 · show in text ↑
e1

“The nanoemulsion (0.01-0.06%, v/v) showed substantial in vitro growth inhibition of Xanthomonas axonopodis pv. glycine of soybean (6.7-0.0 log CFU/ml)”

✓ located verbatim in the source · abstract, characters 639–789 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Seed treatment and foliar application of the nanoemulsion significantly lowered soybean bacterial pustule disease severity.

Taxon
soybeanGlycine maxt0
Treatment
seed treatment and foliar application of the nanoemulsion (0.03-0.06%, v/v)e2
Interactor
X. axonopodis pv. glycineXanthomonas axonopodise4pathogen
Outcome
disease severitye2
Direction
lowerede2
Value
33.3-3.3%e2

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Xanthomonas axonopodis
Xanthomonas axonopodis · InteractorPublic domain · Wikimedia Commons ↗

Verbatim

t0

“growth promotory effect on soybean”

✓ located verbatim in the source · title, characters 100–134 · show in text ↑
e2

“seed treatment and foliar application of the nanoemulsion (0.03-0.06%, v/v) significantly lowered the disease severity (DS) (33.3-3.3%)”

✓ located verbatim in the source · abstract, characters 811–946 · show in text ↑
e4

“bacterial pustule in soybean caused by X. axonopodis pv. glycine”

✓ located verbatim in the source · abstract, characters 1020–1084 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Seed treatment and foliar application of the nanoemulsion increased percent efficacy of disease control in soybean.

Taxon
soybeanGlycine maxt0
Treatment
seed treatment and foliar application of the nanoemulsion (0.03-0.06%, v/v)e2
Interactor
X. axonopodis pv. glycineXanthomonas axonopodise4pathogen
Outcome
percent efficacy of disease control (PEDC)e3
Direction
increasede3
Value
54.9-95.4%e3

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Xanthomonas axonopodis
Xanthomonas axonopodis · InteractorPublic domain · Wikimedia Commons ↗

Verbatim

t0

“growth promotory effect on soybean”

✓ located verbatim in the source · title, characters 100–134 · show in text ↑
e2

“seed treatment and foliar application of the nanoemulsion (0.03-0.06%, v/v) significantly lowered the disease severity (DS) (33.3-3.3%)”

✓ located verbatim in the source · abstract, characters 811–946 · show in text ↑
e3

“increased percent efficacy of disease control (PEDC) (54.9-95.4%)”

✓ located verbatim in the source · abstract, characters 951–1016 · show in text ↑
e4

“bacterial pustule in soybean caused by X. axonopodis pv. glycine”

✓ located verbatim in the source · abstract, characters 1020–1084 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The thymol nanoemulsion significantly enhanced soybean plant growth.

Taxon
soybeanGlycine maxt0
Treatment
thymol nanoemulsione5
Outcome
plant growthe5
Direction
enhancementse5

Not reportedComparator

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“growth promotory effect on soybean”

✓ located verbatim in the source · title, characters 100–134 · show in text ↑
e5

“significant enhancements of plant growth were also recorded in plants treated with thymol nanoemulsion”

✓ located verbatim in the source · abstract, characters 1100–1202 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Fifty minutes of sonication gave a long-term stable thymol nanoemulsion.

Treatment
Fifty minutes of sonicatione6
Outcome
long term stable thymol nanoemulsione6

Not reportedTaxon

Verbatim

e6

“Fifty minutes of sonication delivered a long term stable thymol nanoemulsion”

✓ located verbatim in the source · abstract, characters 235–311 · show in text ↑

schema checkedfield values found in the cited quotesPermalinkReport an issue

Observationobservedoriginal resultmeasured

Claim · model-written summary

This is the first report of a thymol-based nanoemulsion obtained using Quillaja saponin as a surfactant.

Outcome
first report of a thymol based nanoemulsione7

Not reportedTaxon

Verbatim

e7

“This is the first report of a thymol based nanoemulsion obtained using Quillaja saponin as a surfactant”

✓ located verbatim in the source · abstract, characters 1204–1307 · show in text ↑

schema checkedfield values found in the cited quotesPermalinkReport an issue

thymol · growth · Glycine max (soybean)Positive and negative results

2 papers: 1 positive, 1 negative or no effect

1 in the opposite direction

  1. negative
See all 2 papers →

nanoparticle · growth · Glycine max (soybean)Positive and negative results

82 papers: 74 positive, 8 negative or no effect

73 papers in the same direction as this paper · 8 in the opposite direction

  1. negative
  2. no effect
  3. no effect

78 papers more in this group

See all 82 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.