Comprehensive Reviews in Food Science and Food Safety,
Journal Year:
2024,
Volume and Issue:
23(4)
Published: June 7, 2024
Abstract
Kefir
milk,
known
for
its
high
nutritional
value
and
health
benefits,
is
traditionally
produced
by
fermenting
milk
with
kefir
grains.
These
grains
are
a
complex
symbiotic
community
of
lactic
acid
bacteria,
acetic
yeasts,
other
microorganisms.
However,
the
intricate
coexistence
mechanisms
within
these
microbial
colonies
remain
mystery,
posing
challenges
in
predicting
their
biological
functional
traits.
This
uncertainty
often
leads
to
variability
milk's
quality
safety.
review
delves
into
unique
structural
characteristics
grains,
particularly
distinctive
hollow
structure.
We
propose
hypotheses
on
formation,
which
appears
be
influenced
aggregation
behaviors
members
alliances.
In
systematic
colonization
process
driven
metabolite
release,
orchestrating
spatiotemporal
rearrangement
ecological
niches.
place
special
emphasis
dynamic
changes
community.
Spatially,
we
observe
variations
species
morphology
distribution
across
different
locations
grain
Temporally,
highlights
succession
patterns
community,
shedding
light
evolving
interactions.Furthermore,
explore
underpinning
formation
stable
composition.
The
interplay
cooperative
competitive
microorganisms
ensures
balance,
contributing
community's
richness
stability.
foster
diversity
stability,
whereas
bolster
mutualistic
symbiosis.
By
deepening
our
understanding
communities,
can
pave
way
future
advancements
development
diversification
starter
cultures
food
fermentation
processes.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: June 4, 2024
Biofilms
are
the
natural
state
for
bacterial
and
fungal
species.
To
achieve
surface
hygiene
in
commercial
facilities,
presence
of
biofilms
must
be
adequately
considered.
However,
standard
disinfectant
sanitizer
efficacy
tests
required
by
US-EPA
European
Committee
Standardization
(CEN)
do
not
currently
consider
role
environmental
biofilms.
This
selective
review
will
discuss
what
why
they
important.
We
also
cover
where
commonly
found
healthcare
food
processing
facilities
explore
how
current
antimicrobial
test
methods
product
registration
Additionally,
we
a
lack
against
may
play
development
resistance
due
to
exchange
mobile
genetic
elements
that
occur
readily
biofilm
matrix.
Comprehensive Reviews in Food Science and Food Safety,
Journal Year:
2024,
Volume and Issue:
23(5)
Published: Aug. 21, 2024
The
ability
of
foodborne
pathogens
to
grow
in
food
products
increases
the
associated
safety
risks.
Listeria
monocytogenes
(Lm)
is
a
highly
adaptable
pathogen
that
can
survive
and
under
wide
range
environmental
circumstances,
including
otherwise
inhibitory
conditions,
such
as
restrictive
cold
temperatures.
It
also
long
periods
adverse
conditions.
This
review
examines
experimental
evidence
available
for
survival
growth
Lm
on
fresh
vegetables
ready-to-eat
vegetable
salads.
Published
data
indicate
that,
depending
certain
intrinsic
(e.g.,
nutrient
composition)
extrinsic
factors
storage
temperature,
packaging
atmosphere),
variety
fresh-cut
minimally
processed
Studies
have
shown
modified
atmosphere
packaging,
relative
humidity,
pH,
water
activity,
background
microbiota
vegetables,
microbial
strain
peculiarities,
type
availability
significantly
impact
fate
influence
these
either
promote
its
or
decline.
For
example,
some
studies
inhibit
salads,
but
others
reported
promoting,
neutral,
insignificant
effect
Lm.
A
relevant
literature
indicated
most
influencing
related
interacts
with
other
factors.
synthesis
contributes
body
knowledge
possible
strategies
improving
measures
minimize
risk
Lm-associated
outbreaks
involving
Journal of Applied Microbiology,
Journal Year:
2023,
Volume and Issue:
134(6)
Published: June 1, 2023
The
aim
of
this
study
was
to
determine
the
biofilm-forming
ability
a
strain
belonging
Pseudomonas
fluorescens
group
isolated
from
dairy
environment
under
food-relevant
conditions.
Moreover,
effects
commercial
sanitizers
against
preformed
biofilms
were
assessed
both
in
terms
viability
and
structure.The
formed
on
polystyrene,
stainless
steel
(SS),
polytetrafluoroethylene
(PTFE)
wide
range
temperatures
(4-25°C)
subjected
action
10
different
sanitizers.
showed
be
strong
biofilm-former
regardless
temperature,
particularly
polystyrene.
mostly
sensitive
chlorine
peracetic
acid-based
For
some
(e.g.
amphoteric),
relationship
observed
between
material
tolerance,
while
temperature
not
statistically
significant.
formation
long-term
SS
also
structurally
affected
by
showing
microcolonies
more
irregular
shape
with
lower
cellularity
at
4°C
compared
15°C,
where
biofilm
compact
high
presence
EPS.The
P.
shown
quickly
adhere
form
mature
materials
relevant
food
sector;
however,
conditions
differently
tolerant
disinfectants.Findings
could
provide
basis
for
developing
targeted
sanitation
protocols
plants.
Micromachines,
Journal Year:
2024,
Volume and Issue:
15(6), P. 755 - 755
Published: June 4, 2024
In
this
work,
we
present
a
compact,
bifunctional
chip-based
sensor
setup
that
measures
the
temperature
and
electrical
conductivity
of
water
samples,
including
specimens
from
rivers
channels,
aquaculture,
Atlantic
Ocean.
For
measurements,
utilize
impedance
amplitude
recorded
via
interdigitated
electrode
structures
at
single
triggering
frequency.
The
results
are
well
in
line
with
data
obtained
using
calibrated
reference
instrument.
new
holds
for
values
spanning
almost
two
orders
magnitude
(river
versus
ocean
water)
without
need
equivalent
circuit
modelling.
Temperature
measurements
were
performed
four-point
geometry
an
on-chip
platinum
RTD
(resistance
detector)
range
between
2
°C
40
°C,
showing
no
hysteresis
effects
warming
cooling
cycles.
Although
meander
was
not
shielded
against
liquid,
calibration
provided
to
low
conductive
Milli-Q
highly
water.
is
therefore
suitable
inline
online
monitoring
purposes
recirculating
aquaculture
systems.
