Synthesis of antibacterial fluorescent carbon dots and green coal-like hydrochar from tea Industry byproducts via hydrothermal carbonization
Industrial Crops and Products,
Год журнала:
2024,
Номер
221, С. 119364 - 119364
Опубликована: Авг. 3, 2024
Язык: Английский
Ice Sonication–Assisted Enzymatic Extraction of Kangra Orthodox Tea: Impact on Bioactive Profile, Tea Cream Formation, and Organoleptic Quality
Food and Bioprocess Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Язык: Английский
Life Cycle Assessment of Black Tea Production and Consumption in Türkiye: Insights from Waste Management Scenarios
Environmental Development,
Год журнала:
2025,
Номер
unknown, С. 101176 - 101176
Опубликована: Фев. 1, 2025
Язык: Английский
Fenton Oxidation-Activated Hydrochar Derived from Factory Tea Waste with Enhanced Surface Area as a Sustainable Adsorbent for Multiple Dyes
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Год журнала:
2025,
Номер
unknown, С. 136635 - 136635
Опубликована: Март 1, 2025
Язык: Английский
An extensive review study on bioresources recovery from tea waste and its emerging applications
Waste Management Bulletin,
Год журнала:
2024,
Номер
2(4), С. 155 - 166
Опубликована: Ноя. 13, 2024
Язык: Английский
Extraction Optimization of Phenolic Compounds from Triadica sebifera Leaves: Identification, Characterization and Antioxidant Activity
Molecules,
Год журнала:
2024,
Номер
29(14), С. 3266 - 3266
Опубликована: Июль 10, 2024
Triadica
sebifera
(T.
sebifera)
has
attracted
much
attention
because
of
the
high
oil
content
in
its
seeds,
but
there
are
few
systematic
studies
on
phenolic
compounds
T.
leaves
(TSP).
In
this
study,
extraction
process
TSP
was
optimized
by
response
surface
methodology.
The
components
these
extracts
were
analyzed
high-performance
liquid
chromatography
(HPLC).
Moreover,
effects
hot
air
drying
(HD),
vacuum
(VD)
and
freeze
(FD)
antioxidant
activity
characterization
leaf
extract
(TSLE)
evaluated.
Under
conditions
ethanol
concentration
39.8%,
liquid–solid
ratio
(LSR)
52.1,
time
20.2
min
temperature
50.6
°C,
maximum
yield
111.46
mg
GAE/g
dw.
quantitative
analysis
correlation
eight
showed
that
type
had
significant
correlations
with
activity,
indicating
tannic
acid,
isoquercitrin
ellagic
acid
main
activities.
addition,
through
DPPH
ABTS
determination,
VD-TSLE
FD-TSLE
strong
scavenging
ability,
IC50
values
138.2
μg/mL
135.5
73.5
74.3
μg/mL,
respectively.
Fourier
transform
infrared
spectroscopy
(FTIR)
scanning
electron
microscopy
(SEM)
revealed
small
differences
three
methods.
This
study
lays
a
foundation
for
effective
methods
antioxidants
from
leaves,
is
great
significance
utilization
leaves.
Язык: Английский
Comparison of Waste from Different Types of Tea to Dried Butterfly Pea Flower
Current Research in Nutrition and Food Science Journal,
Год журнала:
2024,
Номер
12(2), С. 923 - 936
Опубликована: Авг. 30, 2024
At
present,
the
bioactive
compounds
of
teas
are
well
established
and
there
more
attempts
to
apply
tea
as
a
functional
drink
or
food
supplement.
In
addition,
during
processing,
waste,
including
broken
leaves,
buds
stems,
is
generated
disposed
environment.
The
present
study
aimed
compare
quality
waste
in
full
fermentation
(raw
Pu-erh
tea,
ripen
Anhua
dark
tea)
non-fermentation
(green
processings
comparison
with
dried
butterfly
pea
flower
(DBPF)
(non-Camellia
sinensis).
results
showed
that
total
flavonoid
(TFC)
was
found
be
highest
raw
at
474.470
±
47.173
mg
RE/g,
followed
by
ripened
green
DBPF,
respectively.
Similarly,
also
had
phenolic
(TPC)
608.090
2.795
GAE/g,
On
other
hand,
polysaccharides
(TPS)
content
DBPF
among
samples,
whereas
lowest.
According
HPLC
analysis,
caffeine
(CF)
major
catechin
all
types
order
>
which
agreement
TPC
results.
However,
were
different
each
sample.
It
noteworthy
no
CF
gallate.
Likewise,
antioxidant
ability
determined
DPPH
most
superior
ORAC
capacity
while
lower
but
not
significantly
different,
expected,
possessed
lowest
capacity.
Finally,
it
can
said
potential
for
valuable
source
antioxidants
varies
depending
on
plant
variety
an
impact
characteristics
samples.
Язык: Английский
Enhanced extraction of bioactive compounds from tea waste for sustainable polylactide-based bioplastic applications in active food packaging
Food Packaging and Shelf Life,
Год журнала:
2024,
Номер
46, С. 101410 - 101410
Опубликована: Дек. 1, 2024
Язык: Английский
Optimization of Inositol Extraction from Japanese Rice Bran and Its Potential Application in Inhibiting Calcium Oxalate Crystallization for Urolithiasis Prevention
ACS Food Science & Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 3, 2024
Язык: Английский
Valorizing Tea Waste: Green Synthesis of Iron Nanoparticles for Efficient Dye Removal from Water
Antioxidants,
Год журнала:
2024,
Номер
13(9), С. 1059 - 1059
Опубликована: Авг. 30, 2024
This
study
explores
the
valorization
of
tea
leaf
waste
by
extracting
polyphenols
through
reflux
extraction,
subsequently
using
them
to
synthesize
zero-valent
iron
nanoparticles
(nZVI).
The
in
situ
generated
nanoparticles,
when
combined
with
fixed
amounts
hydrogen
peroxide,
facilitated
removal
various
dyes
(methylene
blue,
methyl
orange,
and
orange
G)
via
a
hetero-catalytic
Fenton
process.
were
thoroughly
characterized
gas
adsorption
N
Язык: Английский