Probiotic Properties of Lactococcus lactis Strains Isolated from Natural Whey Starter Cultures
Ida De Chiara,
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Rosangela Marasco,
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Milena Della Gala
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et al.
Foods,
Journal Year:
2024,
Volume and Issue:
13(6), P. 957 - 957
Published: March 21, 2024
Lactococcus
lactis
is
a
lactic
acid
bacterium
(LAB),
generally
recognized
as
safe,
and
has
been
widely
used
in
the
food
industry,
especially
fermented
dairy
products.
Numerous
studies
have
evaluated
technological
probiotic
properties
of
lactococci;
however,
few
reported
characteristics
L.
strains
isolated
from
In
this
work,
potential,
including
survival
simulated
gastric
juice,
tolerance
to
bile
salts,
hydrophobicity,
auto-
co-aggregation,
was
natural
whey
starter
cultures.
The
results
highlighted
potential
some
under
study,
which
showed
high
values
hydrophobicity
auto-aggregation
low
co-aggregation
with
tested
pathogenic
strains.
addition,
safety
parameters,
such
antibiotic
susceptibility
haemolytic
activity,
confirmed
status
all
study.
Finally,
four
most
promising
were
investigated
for
their
ability
inhibit
enteroinvasive
Escherichia
coli
(EIEC)
Salmonella
Typhimurium
adhesion
epithelial
cells,
using
model
co-cultured
cells.
demonstrated
that
A3-A5-I4-I7
compete
pathogens
well
exert
protective
effect
on
cells
previously
infected
E.
or
S.
Typhimurium.
identification
new
LAB
products
aims
produce
novel
functional
foods.
Language: Английский
Molecular Mechanisms of Intestinal Protection by Levilactobacillus brevis 23017 against Salmonella typhimurium C7731-Induced Damage: Role of Nrf2
Zi‐Qi Shi,
No information about this author
Yongchao Nan,
No information about this author
Xinyao Zhou
No information about this author
et al.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(6), P. 1135 - 1135
Published: June 1, 2024
The
treatment
and
prevention
of
pathogenic
diseases
by
lactic
acid
bacteria
(LAB)
has
attracted
more
attention.
As
a
special
LAB,
Language: Английский
In Vivo Functional Properties of Dairy Microorganisms
Published: May 15, 2023
This
literature
review
was
aimed
to
collect
investigations
on
the
in
vivo
evidences
for
bacteria
associated
fermented
dairy
foods
behave
as
probiotics
with
beneficial
effects
prevention
and
treatment
of
various
diseases.
All
main
bacterial
groups
commonly
present
high
numbers
milks
or
cheeses
were
taken
into
account,
namely
starter
lactic
acid
(SLAB)
Lactobacillus
delbrueckii
subsp.
bulgaricus
lactis,
L.
helveticus,
Lactococcus
Strepto-coccus
thermophilus,
non
LAB
(NSLAB)
Lacticaseibacillus
spp.,
Lactiplantibacillus
plantarum,
propionibacteria
other
less
frequently
encountered
species.
Only
studies
regarding
strains
proven
origin
considered.
Studies
animal
models
clinical
showed
that
ameliorate
symptoms
inflammatory
bowel
disease
(IBD),
mucositis,
metabolic
syndrome,
aging
oxidative
stress,
cancer,
bone
diseases,
atopic
dermatitis,
allergies,
infections
damages
caused
by
pollutants,
mild
stress
depression.
Immunomodulation
changes
intestinal
microbiota
mechanisms
most
often
involved
observed
effects.
The
results
considered
indicated
milk
products
are
a
rich
source
should
be
further
exploited
advantage
human
health.
Language: Английский
Regulatory Effects of Maternal Intake of Microbial-Derived Antioxidants on Colonization of Microbiota in Breastmilk and That of Intestinal Microbiota in Offspring
Dangjin Wu,
No information about this author
Ran An,
No information about this author
Di Wang
No information about this author
et al.
Animals,
Journal Year:
2024,
Volume and Issue:
14(17), P. 2582 - 2582
Published: Sept. 5, 2024
In
this
study,
sixteen
Sprague
Dawley
(SD)
female
rats
and
eight
SD
male
were
co-housed
to
mate.
Pregnant
fed
with
a
control
diet
or
an
MA
diet.
Breast
milk,
maternal
ileum,
intestinal
samples
of
the
offspring
collected
at
day
birth
ten
days
afterwards.
The
results
showed
that
impact
was
more
obvious
on
microbiota
mature
milk
(p
=
0.066)
than
colostrum.
addition,
additive
did
not
significantly
affect
ileal
microbiota,
but
affected
offsprings’
colonic
after
0.035).
From
giving
afterwards,
in
addition
increase
microbial
richness
diversity,
genus
level,
dominant
bacteria
breastmilk
changed
from
Pseudomonas
veronii
Bacillus
Lactococcus.
Different
birth,
dominated
by
Lactobacillus.
Instead
is
key
action
site
additive.
Therefore,
current
findings
have
significant
implications
for
development
feed
aimed
modulating
offspring,
ultimately
leading
improved
health
outcomes
both
mothers
their
offspring.
Language: Английский
Exploring the Fermentation-Driven Functionalities of Lactobacillaceae-Originated Probiotics in Preventive Measures of Alzheimer’s Disease: A Review
Fermentation,
Journal Year:
2023,
Volume and Issue:
9(8), P. 762 - 762
Published: Aug. 16, 2023
Alzheimer’s
disease
(AD)
is
an
ascending,
neurodegenerative
disorder
that
attacks
the
brain’s
nerve
cells,
i.e.,
neurons,
resulting
in
loss
of
memory,
language
skills,
and
thinking
behavioural
changes.
It
one
most
common
causes
dementia,
a
group
disorders
marked
by
decline
cognitive
functioning.
Probiotics
are
living
microorganisms
beneficial
for
human
well-being.
They
help
balancing
extent
bacteria
gut
support
defensive
immune
system
body.
Studies
have
found
probiotics
can
with
variety
conditions,
including
mental
health.
to
maintain
strengthen
healthy
microbiome.
The
microbiome
important
brain
function,
as
it
linked
production
neurotransmitters
hormones
regulate
mood
behaviour.
This
review
article
includes
detailed
on
origination
its
significance
treatment
AD.
Language: Английский
Characterization of Lactococcus lactis 11/19-B1 Isolated from Kiwi Fruit as a Potential Probiotic and Paraprobiotic
Ken Ishioka,
No information about this author
Nozomu Miyazaki,
No information about this author
Kyoko Nishiyama
No information about this author
et al.
Microorganisms,
Journal Year:
2023,
Volume and Issue:
11(12), P. 2949 - 2949
Published: Dec. 9, 2023
Probiotics
are
live
bacteria
used
as
food
additives
that
beneficial
to
human
health.
Lactococcus
lactis
11/19-B1
strain
isolated
from
kiwi
fruit
stimulates
innate
immunity
in
silkworms.
Intake
of
yogurt
containing
the
living
significantly
decreases
level
low-density
lipoproteins
(LDLs)
high-LDL
volunteers
and
improves
atopic
dermatitis
humans.
In
this
study,
probiotic
properties
strain,
such
sensitivity
antimicrobial
compounds,
biogenic
amine
production,
some
virulence
genes
for
health,
activity,
tolerance
gastric
acid
bile
acids,
ability
adhere
intestinal
mucosa,
were
evaluated.
The
did
not
show
resistance
tested
compounds
except
cefoxitin
fosfomycin.
addition,
no
production
amines
can
harm
humans,
activity
required
probiotics,
absence
adhesion
Caco-2
cells
suggest
it
is
unlikely
attach
epithelium.
grew
0.3%
but
1%
salt.
presence
2%
skim
milk,
survival
rate
under
simulated
gastrointestinal
tract
conditions
was
67%
even
after
4
h.
These
results
indicate
may
function
a
or
paraprobiotic
be
utilized
industry.
Language: Английский