ACS Food Science & Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Instant
teas
including
their
herbal
derivatives,
ginger
and
sage,
from
black
tea
waste
fiber
were
produced
to
find
an
effective
strategy
valorize
massive
waste.
Brewing
parameters
for
optimized
maximize
extraction
yield
considering
the
hot
cold
brewing
processes
based
on
water-to-tea
ratio
(30:1
mL/g),
particle
size
range
(the
average
of
19.39
μm),
temperature,
time
(100
°C
6
min
25
2
h).
Despite
improving
effect
catechins,
most
abundant
epicatechin,
theaflavin,
thearubigins,
theanine,
antioxidant
capacity,
total
phenolic
contents
instant
teas,
proved
its
potential
in
gallic
acid
caffeine
extraction.
In
addition
hygroscopicity
color,
morphologies
powders
evaluated
interpretation
solubility
turbidity
infusions.
This
study
offers
innovative
utilization
will
promote
further
other
foods.
Chemical Engineering Communications,
Год журнала:
2025,
Номер
unknown, С. 1 - 15
Опубликована: Фев. 24, 2025
Researchers
have
increasingly
focused
on
utilizing
agricultural
waste
for
a
variety
of
applications.
Products
derived
from
lignocellulosic
are
nontoxic,
biodegradable,
eco-friendly,
and
cost-effective.
Among
these,
sugarcane
bagasse
stands
out
as
significant
source
waste.
Cellulose,
the
primary
component
alongside
lignin
hemicellulose,
can
be
extracted
this
biomass.
Nanocrystalline
cellulose
(NCC)
produced
material
by
removing
hemicellulose.
The
extraction
achieved
through
chemical
methods,
enzymatic
hydrolysis,
physical
techniques.
Green
chemistry
aspects
sustainability
these
techniques
discussed
compared
in
review.
Since
biodegradable
is
often
dumped
landfills
or
burned,
repurposing
it
to
produce
valuable
products
contribute
environmental
protection.
NCC
has
wide
range
applications
across
fields
such
medicine,
pharmaceuticals,
agriculture,
biomedicine,
electronics,
starting
various
products.
This
article
provides
comprehensive
review
process
isolating
waste,
used
its
extraction,
properties,
numerous
Materials,
Год журнала:
2023,
Номер
16(23), С. 7351 - 7351
Опубликована: Ноя. 25, 2023
Currently,
in
the
context
of
biorefinery
and
bioeconomy,
lignocellulosic
biomass
is
increasingly
used
to
produce
biofuels,
biochemicals
other
value-added
products.
Microwaves
ultrasound
are
emerging
techniques
that
enable
efficient
environmentally
sustainable
routes
transformation
biomass.
This
review
presents
some
most
important
works
published
last
few
years
on
application
microwaves
and/or
materials
pretreatment
can
be
as
a
starting
point
for
research
into
this
theme.
divided
four
parts.
In
Part
I,
theoretical
fundamentals
microwave
treatments
reviewed.
Dielectric
constants
biomass,
factors
influence
pretreatment,
subjects
addressed.
II,
effects
these
have
(on
size
surface
area
particle;
content
lignin,
hemicellulose
cellulose;
crystallinity
index
effect
solubilization
organic
matter;
hydrolysis
reduction
sugars)
discussed.
III,
emphasis
given
contribution
obtaining
context,
several
examples
liquefaction
extraction
procedures
presented.
IV
describes
performing
sonocatalysis
obtain
products,
such
furfural,
whose
production
significantly
reduced
by
treatment.
Sustainable materials and technologies,
Год журнала:
2024,
Номер
39, С. e00859 - e00859
Опубликована: Фев. 10, 2024
In
this
paper,
we
investigated
the
use
of
tea
waste
as
an
additive
in
production
traditional
bricks.
This
could
provide
several
environmental
and
economic
benefits,
well
improving
thermal
insulation
construction.
To
end,
produced
brick
samples
with
0,
5
10
w%
mixed
a
clayey
material
from
Teruel
(Spain)
that
was
rich
quartz
phyllosilicates
had
smaller
amounts
carbonates.
These
were
fired
at
800,
950
1100
°C
electric
oven.
We
then
analysed
discussed
their
chemical,
mineralogical,
textural
physical-mechanical
behaviour
evaluated
durability
response
to
salt
crystallization.
The
pore
system
bricks
examined
using
combination
different
analytical
techniques
(hydric
tests,
mercury
intrusion
porosimetry
digital
image
analysis).
also
conductivity
observed
increase
firing
temperature
amount
altered
texture
bricks,
increasing
porosity.
happened
above
all
°C,
where
it
led
appearance
new
family
pores
increased
porosity
about
39%
for
made
added
waste.
lighter.
showed
higher
levels
water
absorption
poorer
mechanical
strength.
Our
results
suggest
addition
residues
strongly
decreases
heat
diffusion
capacity
They
therefore
be
used
lightweight
buildings.
