The Canadian Journal of Chemical Engineering,
Год журнала:
2023,
Номер
102(1), С. 53 - 64
Опубликована: Июнь 27, 2023
Abstract
Sophorolipids
are
a
group
of
surface‐active
glycolipid
compounds
that
can
be
synthesized
by
several
yeasts,
especially
the
Candida
genera.
Soap
stock
is
by‐product
vegetable
oils
refinery
enriches
mono‐unsaturated
fatty
acids,
and
its
application
interesting
as
low‐cost
industrial
residue
in
sophorolipid
production.
In
this
study,
production
was
evaluated
catenulate
KP324968,
using
sunflower
oil
soap
glucose
hydrophobic
hydrophilic
carbon
sources,
respectively.
The
results
indicated
ratio
to
source,
initial
pH,
type
nitrogen
source
had
significant
roles
performance
cells.
highest
specific
biomass
growth
rate
about
0.0447
±
0.0013
h
−1
49.96
0.33
mg
L
obtained
at
stock‐to‐glucose
1,
pH
5.5,
temperature
30°C.
addition
organic
sources
such
yeast
extract
urea
higher
comparison
with
ammonium
nitrate
potassium
mineral
sources.
Usage
both
increased
4.4%
6.9%,
separate
usage
urea,
characterization
confirmed
an
emulsification
index
30
2.9%
for
diesel‐in‐water
50
3.5%
oil‐in‐water
systems.
critical
micelle
concentration
determined
280
.
produced
500
showed
antibacterial
capacity
95.4
1.1%,
44.7
0.8%
against
Bacillus
subtilis
(Gram‐positive)
Escherichia
coli
(Gram‐negative)
bacteria,
Applied Microbiology and Biotechnology,
Год журнала:
2024,
Номер
108(1)
Опубликована: Апрель 12, 2024
Abstract
Sophorolipids
(SLs)
are
promising
glycolipid
biosurfactants
as
they
easily
produced
and
functional.
SLs
from
microorganisms
comprised
of
mixtures
multiple
derivatives
that
have
different
structures
properties,
including
well-known
acidic
lactonic
SL
(ASLs
LSLs,
respectively).
In
this
study,
we
established
a
method
for
analyzing
all
in
the
products
Starmerella
bombicola
,
typical
SL-producing
yeast.
Detailed
component
analyses
S.
were
carried
out
using
reversed-phase
high-performance
liquid
chromatography
mass
spectrometry.
Methanol
was
used
eluent
it
is
good
solvent
derivatives.
With
approach,
possible
to
not
only
quantify
ratio
main
components
ASL,
LSL,
glycerides
but
also
confirm
trace
such
mono-glyceride
bola-form
(sophorose
at
both
ends);
notably,
first
time
these
been
isolated
identified
successfully
naturally
occurring
SLs.
addition,
our
results
revealed
novel
derivative
which
fatty
acid
bonded
series
had
reported
previously.
Using
present
analysis
method,
track
compositional
changes
during
culture.
Our
showed
LSL
ASL
initially
accumulate
middle
stage
fermentation
process.
Key
points
•
An
easy
detailed
sophorolipids
introduced.
Multiple
known
A
hydrophobic
characterized.
Graphical
Plants,
Год журнала:
2023,
Номер
12(15), С. 2817 - 2817
Опубликована: Июль 29, 2023
Tea
plants
are
highly
susceptible
to
the
adverse
effects
of
a
high-temperature
climate,
which
can
cause
reduced
yield
and
quality
even
lead
plant
death
in
severe
cases.
Therefore,
reducing
damage
caused
by
stress
maintaining
photosynthetic
capacity
tea
is
critical
technical
challenge.
In
this
study,
we
investigated
impact
small
oligopeptides
(small
peptides)
surfactants
on
high-temperature-stress
tolerance
plants.
Our
findings
demonstrated
that
use
peptides
enhances
antioxidant
protects
their
system.
They
also
induce
an
increase
gibberellin
(GA)
content
decrease
jasmonic
acid
(JA),
strigolactone
(SL),
auxin
(IAA),
cytokinin
(CTK)
content.
At
same
time,
regulate
metabolic
pathways
diterpenoid
biosynthesis.
Additionally,
L-Carnosine
N-Glycyl-L-Leucine
(5-L-Glutamyl)-L-Amino
Acid
content,
they
Beta-Alanine
metabolism,
Thiamine
Glutathione
metabolism.
summary,
enhance
ability
resist
stress.
Antibiotics,
Год журнала:
2022,
Номер
11(8), С. 1106 - 1106
Опубликована: Авг. 16, 2022
Surface-active
compounds
(SACs),
biomolecules
produced
by
bacteria,
yeasts,
and
filamentous
fungi,
have
interesting
properties,
such
as
the
ability
to
interact
with
surfaces
well
hydrophobic
or
hydrophilic
interfaces.
Because
of
their
advantages
over
other
compounds,
biodegradability,
low
toxicity,
antimicrobial,
healing
SACs
are
attractive
targets
for
research
in
various
applications
medicine.
As
a
result,
growing
number
properties
related
SAC
production
been
subject
scientific
during
past
decade,
searching
potential
future
biomedical,
pharmaceutical,
therapeutic
fields.
This
review
aims
provide
comprehensive
understanding
biosurfactants
emulsifiers
antimicrobials,
modulators
virulence
factors,
anticancer
agents,
wound
agents
field
biotechnology
biomedicine,
meet
increasing
demand
safer
medical
pharmacological
therapies.
Fermentation,
Год журнала:
2025,
Номер
11(4), С. 199 - 199
Опубликована: Апрель 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
