Pleurotus ostreatus: Nutritional Enhancement and Antioxidant Activity Improvement Through Cultivation on Spent Mushroom Substrate and Roots of Leafy Vegetables
Eirini-Maria Melanouri,
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Ilias Diamantis,
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Marianna Dedousi
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et al.
Fermentation,
Journal Year:
2025,
Volume and Issue:
11(1), P. 20 - 20
Published: Jan. 7, 2025
Agricultural
residues,
including
Pleurotus
ostreatus
spent
mushroom
substrate
(SMS)
and
roots
of
(hydroponic)
leafy
vegetables
(RLV),
were
tested
in
various
proportions
as
substrates
new
P.
cultivations,
where
wheat
straw
was
the
control.
The
impact
SMS
RLV
first
evaluated
by
mycelial
growth
rate
(Kr,
mm/day).
Afterwards,
cultivation
conducted
bags,
production
characteristics
like
earliness
(the
time
from
inoculation
to
harvest)
biological
efficiency
(BE
%,
ratio
fresh
weight
dry
×
100)
examined.
study
also
quality,
nutritional
composition
bioactive
content.
highest
intra-cellular
polysaccharide
(IPS)
value
(50.93%,
w/w)
observed
containing
90%,
while
combining
with
resulted
higher
IPS
values
compared
mixtures
that
included
bran
(WB)
soybean
flour
(SF).
Furthermore,
use
reduced
fat
content
control
substrate,
except
case
50%–RLV
40%
produced
mushrooms
(4.68%
w/w).
Additionally,
protein
increased
RLV.
triterpene
found
90%–RLV
10%
(11.52
ursolic
acid
mg/g
d.w.).
However,
exhibited
fastest
Kr
(6.5
mm/d),
well
BE
(87.8%)
total
phenolic
compound
(30.31
mg
GAE/g
Significant
antioxidant
activity
all
extracts,
flavonoid
low.
Glucose
dominant
monosaccharide
(over
51.5%,
w/w),
linoleic
(18:2;
over
57.05%,
primary
fatty
across
mushrooms.
This
enhances
our
knowledge
which
influence
NFE2L2/HMOX-1
molecular
pathway,
thereby
affecting
specific
antioxidant-related
genes.
These
effects
through
carbohydrate
extracts
on
LPS-challenged
THP-1-derived
macrophages.
A
positive
gene
expression
HMOX1,
CAT
NFE2L2
during
incubation
aforementioned
samples
observed.
findings
support
sustainable
agricultural
by-products
cultivation,
offering
an
environmentally
friendly
approach
producing
valuable
products
Language: Английский
Exploring alternative sources of protein in food: Trends in nutrient and functional features
Food Research International,
Journal Year:
2025,
Volume and Issue:
unknown, P. 116224 - 116224
Published: March 1, 2025
Language: Английский
Chemical Composition of Trametes versicolor, Hericium erinaceus, and Pleurotus ostreatus Mushroom Biomass: Deciphering Their Rich α-glucan Composition and Nutritional Value
Journal of Food Composition and Analysis,
Journal Year:
2025,
Volume and Issue:
unknown, P. 107612 - 107612
Published: April 1, 2025
Language: Английский
Impact of Spent Mushroom Substrate Combined with Hydroponic Leafy Vegetable Roots on Pleurotus citrinopileatus Productivity and Fruit Bodies Biological Properties
Ilias Diamantis,
No information about this author
Marianna Dedousi,
No information about this author
Eirini-Maria Melanouri
No information about this author
et al.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(9), P. 1807 - 1807
Published: Sept. 1, 2024
Agricultural
activities
produce
large
quantities
of
organic
byproducts
and
waste
rich
in
lignocellulosic
materials,
which
are
not
sufficiently
utilized.
In
this
study,
alternative
agricultural
products,
namely,
spent
mushroom
substrate
(SMS)
from
the
cultivation
edible
Pleurotus
ostreatus
mushrooms
roots
leafy
vegetables
hydroponic
(HRL),
were
evaluated
for
their
potential
to
be
used
as
substrates
citrinopileatus
effects
on
quality,
nutritional
value,
chemical
properties
(lipid,
protein,
carbohydrate,
ash,
fatty
acid
carbohydrate
composition)
bioactive
content
(total
phenolic
compounds
antioxidant
activity)
produced
mushrooms.
SMS
HRL
(in
different
ratios
with
without
additives)
wheat
straw
additives
(WS—control)
used.
During
incubation,
linear
growth
rate
mycelium
(Kr,
mm/day)
was
measured
screening.
Mushroom
took
place
bags,
where
several
characteristics
examined:
earliness
(duration
between
day
inoculation
first
harvest)
biological
efficiency
(B.E.
%,
ratio
weight
fresh
per
dry
×
100).
Furthermore,
study
aimed
investigate
effect
protein
extract
(PE)
(CE)
P.
after
vitro
digestion
(fraction
less
than
3kDa:
PE-DP-3;
digestate
fraction:
CE-D,
respectively)
expression
antioxidant-related
genes
THP-1
cell
line.
The
results
showed
that
grown
50%-HRL
40%
had
fastest
(6.1
mm/d)
highest
lipid
contents
(34.7%
d.w.;
5.1%
d.w.).
B.E.
(73.5%),
total
(65.7%)
compound
(60.2
mg
GAE/g
d.w.)
values
recorded
control
substrate.
Antioxidant
activity
observed
all
extracts;
flavonoid
low
samples,
maximum
triterpene
value
detected
80%-HRL
20%
(9.8
UA/g
mushrooms,
linoleic
(C18:2)
main
(above
60%),
fructose
dominant
individual
saccharide.
investigation
regulation
pathway,
NFE2L2
gene
upregulated
only
60%-HRL
intervention
during
incubation
CE-D
samples.
Additionally,
transcription
levels
genes,
SOD1,
CAT,
HMOX1
GSR,
increased
60–30%
intervention.
Compared
WS,
trigger
a
pathway
concerning
CE
may
resist
oxidative
stress.
This
supports
utilization
through
sustainable
environmentally
friendly
practices
while
simultaneously
producing
high-value-added
products
such
Therefore,
substrates,
particularly
those
containing
HRL,
could
serve
natural
sources
potential.
Language: Английский
Bio-Valorization of Spent Coffee Grounds and Potato Peel as Substrates for Pleurotus ostreatus Growth
Foods,
Journal Year:
2024,
Volume and Issue:
13(23), P. 3774 - 3774
Published: Nov. 25, 2024
Pleurotus
ostreatus,
due
to
its
saprophytic
nature,
can
extract
nutrients
and
bioactive
compounds
from
the
substrate
on
which
it
is
grown.
This
study
aimed
assess
effect
of
adding
spent
coffee
grounds
(SCG)
potato
peel
(PPW)
in
wheat
straw
formulation
grow
over
production
indicators,
physicochemical,
techno-functional,
total
chemical
compounds,
antioxidant
properties.
Treatments
were
described
as
follows:
T1,
at
100%;
T2,
80%
+
10%
SCG
PPW;
T3,
70%
15%
T4,
60%
20%
PPW.
After
P.
ostreatus
growth,
non-differences
found
indicators
for
T1–T4,
including
biological
efficiency,
rate,
yield.
With
respect
dried
powders,
T1–T4
showed
pH
values
near
neutrality
concerning
soy
protein
(SP),
color
samples
beige.
Also,
T2
T3
exert
higher
water-holding
(WHC)
values,
while
oil-holding
(OHC)
emulsifying
capacity
(EC)
SP,
dependence
growth
substrate.
lower
swelling
(SC)
T1–T3
gelling
(GC)
values.
Regarding
properties
extracts,
solvent
extraction
have
an
metabolite
content
antiradical
reducing
power
The
multivariate
analysis
revealed
that
water
extracts
highest
tannin
(TTC)
protocatechuic
acid
contents
(PAC),
well
(RCSA)
(RPA)
In
conclusion,
this
demonstrated
using
PPW
a
partial
substitute
(what
straw)
enhances
activity
ostreatus.
Language: Английский