Eco-Friendly Biosurfactant: Tackling Oil Pollution in Terrestrial and Aquatic Ecosystems
Fermentation,
Journal Year:
2025,
Volume and Issue:
11(4), P. 199 - 199
Published: April 8, 2025
Spills
involving
fuels
and
lubricating
oils
in
industrial
environments
caused
by
the
fueling
of
machines,
inadequate
storage
washing
equipment
are
significant
sources
environmental
pollution,
impacting
soil
water
bodies.
Such
incidents
alter
microbiological,
chemical
physical
properties
affected
environments.
The
use
biosurfactants
is
an
effective
option
for
cleaning
tanks
remediation
contaminated
soils
effluents.
scope
this
work
was
to
assess
production
application
a
Starmerella
bombicola
ATCC
22214
biosurfactant
remediate
marine
terrestrial
environment
polluted
oil.
optimized
terms
carbon/nitrogen
culture
conditions
using
flasks.
performance
tested
clayey
soil,
silty
standard
sand,
as
well
smooth
surfaces
effluents
with
(fuel
B1
thermal
power
generation,
diesel,
motor
oil).
ideal
medium
contained
2%
glucose
5%
glycerol,
agitation
at
200
rpm,
fermentation
180
h
inoculum,
resulting
yield
1.5
g/L.
had
high
emulsification
indices
(86.6%
oil
51.7%
diesel)
exhibited
good
stability
under
different
pH
values,
temperatures
concentrations
NaCl.
critical
micelle
concentration
0.4
g/L,
surface
tension
26.85
mN/m.
In
tests,
enabled
removal
no
less
than
99%
from
types
soil.
results
showed
that
produced
promising
agent
derivatives,
especially
treatment
oily
Language: Английский
Pseudomonas fluorescens and Listeria monocytogenes Planktonic Cells and Biofilms Are Inhibited by Surfactin from Bacillus velezensis H2O-1
Processes,
Journal Year:
2024,
Volume and Issue:
13(1), P. 18 - 18
Published: Dec. 25, 2024
Biofilms
are
highly
important
to
be
controlled
in
food
industries
for
two
major
reasons:
(i)
pathogenic
microorganisms
can
impact
public
health
causing
foodborne
illness
outbreaks,
and
(ii)
food-spoilage
cause
economic
impacts
due
the
loss
of
organoleptic
quality.
Listeria
monocytogenes
Pseudomonas
fluorescens
ubiquitous
representative
both
problems.
The
presence
these
bacteria
biofilms
must
controlled,
new
strategies
need
implemented.
Among
those
strategies,
use
biosurfactants
is
promising.
present
work
studied
application
a
surfactin
produced
by
Bacillus
velezensis
H2O-1
inhibit
corrosion,
planktonic
growth,
microbial
adhesion,
biofilm
formation
strains
L.
one
strain
P.
fluorescens.
For
that
purpose,
scanning
electron
microscopy,
epifluorescence
determination
physicochemical
characteristics
different
surfaces,
were
performed.
Biofilm
reduction
on
conditioned
surfaces
reached
up
75%.
When
was
added
media,
inhibition
values
87%,
inhibited
100%.
analyzed
images
suggest
this
molecule
has
great
potential
postpone
steel
corrosion.
results
demonstrated
biomolecule
industry
against
microorganisms,
thus
enhancing
safety
shelf-life.
Language: Английский