Biodegradable Films with Polysaccharides, Proteins, and Bioactive Compounds from Lobosphaera sp.: Antioxidant and Antimicrobial Activities
Foods,
Год журнала:
2025,
Номер
14(8), С. 1327 - 1327
Опубликована: Апрель 11, 2025
Microalgae
are
a
sustainable
source
of
bioactive
compounds
and
nutrients
that
do
not
compete
with
crops
for
arable
land.
Lobosphaera
sp.
was
used
to
produce
biodegradable
films.
Bioactive
compounds,
polysaccharides,
proteins
were
extracted
from
this
microalga.
The
total
phenolic
content
(TPC)
antioxidant
activity
(ABTS,
DPPH,
ORAC)
the
bioactive-rich
extract
determined,
its
composition
analyzed
phenolics
using
LC-ESI-QqTOF-HRMS
lipids
GC-FID.
cytotoxicity
on
Caco-2
cells
also
assessed.
Different
types
films
produced
based
alginate
(2%)
(film
A)
polysaccharides-rich
(PS-rich)
(0.5%)
B);
PS-rich
(0.25%)
C);
protein-rich
(P-rich)
D);
P-rich
E).
physical
parameters
films,
such
as
thickness,
color,
water
vapor
permeability,
solubility,
tensile
strength
(TS),
elongation
at
break
(EAB),
determined.
TPC
1.07
±
0.05
mg
GAE/100
DW,
2.44
0.27,
1.67
0.15,
11.90
1.22
µmol
TE/100
DW
ABTS,
ORAC,
respectively.
showed
no
gut
concentrations
equal
or
below
1.0
mg/mL.
Film
E
obtained
best
results
activity,
451.06
14.68
212.81
39.12
µM
TE/mg
film
ABTS
In
addition,
enriched
(films
C
E)
presented
antimicrobial
against
Listeria
monocytogenes.
These
controlled
mold
yeast
growth
in
strawberries
during
four-day
storage
25
°C.
All
completely
soluble
hydroethanolic
solutions
but
only
partially
solubilized
acetic
acid
(3%).
TS
EAB
significantly
different
among
It
possible
microalga
good
bioactivity
characteristics.
Язык: Английский
Agriculture application, comparison, and functional association between macrophytes and microalgae: a review
Discover Agriculture,
Год журнала:
2025,
Номер
3(1)
Опубликована: Май 26, 2025
Язык: Английский
Bioactive and Biological Potential of Black Chokeberry Leaves Under the Influence of Pressurized Liquid Extraction and Microwave-Assisted Extraction
Antioxidants,
Год журнала:
2024,
Номер
13(12), С. 1582 - 1582
Опубликована: Дек. 23, 2024
To
determine
the
optimal
conditions
of
pressurized
liquid
extraction
(PLE)
and
microwave-assisted
(MAE)
polyphenols
from
black
chokeberry
leaves
(BCL),
temperature,
time
sample-to-solvent
ratio
(SSR)
were
varied
to
obtain
maximum
yield.
The
extracts
analyzed
for
total
(TP)
as
well
individual
ones
(UPLC
ESI
MS2)
antioxidant
capacity
(FRAP,
DPPH
ORAC).
Moreover,
biological
activity
selected
was
additionally
determined.
PLE
MAE
150
°C,
5
min
SSR
1:30
g/mL
(TP
80.0
mg
GAE/g
dm),
70
36.4
respectively.
Both
methods
yielded
similar
polyphenol
profiles
(43
compounds)
but
differed
quantitatively.
contained
more
flavonols
phenolic
acids,
while
had
higher
procyanidins
flavan-3-ols.
Furthermore,
extract
exhibited
a
superior
capacity.
This
BCL
also
showed
that
it
can
protect
against
oxidative
DNA
damage
induce
free
radical
formation
damage,
albeit
at
different
doses.
moderate
antimicrobial
S.
aureus
B.
subtilis,
no
observed
Gram-negative
bacteria
yeasts,
lactic
acid
molds.
Язык: Английский