Frontiers in Natural Products,
Год журнала:
2024,
Номер
3
Опубликована: Сен. 20, 2024
Seaweeds
or
marine
algae
with
their
three
main
taxa
are
recognized
as
a
potential
pot
for
numerous
products.
This
has
been
imperative
to
valorize
components
at
an
industrial
scale
in
the
context
of
sustainability
goals
United
Nations
(UN).
Biorefinery
approaches
have
attempted
several
decades
produce
bioactive,
biofuels,
fine
chemicals,
and
nutritional
products
from
seaweeds.
However,
recent
UN
goals,
climatic
changes,
global
economic
situation,
it
is
essential
assess
all
production
processes
involved
concerning
factors.
Numerous
steps
performed
following
collection,
including
optimization
downstream
processing
(e.g.,
drying,
extraction,
purification),
addition
suitable
preservation
maintain
products’
integrity
till
usage.
Moreover,
breakthroughs
biotechnologies
biological
sciences
also
targeted
achieve
blue
circular
bioeconomy
which
focuses
on
renewable
resources
foods,
drug
discovery,
energy,
while
preserving
ocean
ecosystem.
Hence,
current
article
provided
new
insights
into
various
frame
concepts.
Sustainable Production and Consumption,
Год журнала:
2024,
Номер
48, С. 123 - 142
Опубликована: Май 13, 2024
This
study
provides
a
comprehensive
review
of
the
environmental
impacts
associated
with
seaweed
cultivation
and
utilization
in
various
industries,
focusing
on
life
cycle
assessment
(LCA)
studies.
There
is
remarkable
disparity
distribution
LCA
Asia
produces
97
%
global
seaweed,
but
accounts
for
only
25
research.
In
contrast,
Europe,
which
0.8
production,
responsible
70
Current
practices
result
low
emissions
0.02–0.08
CO2-equivalents
(CO2
eq)/kg
wet
seaweed.
Cultivation
may
yield
climate
benefits
if
biogenic
carbon
uptake
sequestration
are
considered.
However,
stability
stored
requires
further
Seaweeds
have
significant
potential
sectors,
including
bioenergy,
food,
feed,
fertilizer,
nanomaterials,
construction,
cosmetics,
supporting
circular
bioeconomy.
hotspots
include
energy
use
drying,
fuel
transport,
infrastructure
processing
phase.
Various
mitigation
strategies
recirculation
by-products,
extending
life,
recycling
infrastructure,
using
biodegradable
materials,
adopting
renewable
optimizing
productivity
content
valuable
ingredients,
refining
system
design
resource
efficiency,
developing
biorefineries,
investigating
alternative
species.
The
diverse
functional
units
used
LCAs
limit
comparisons
between
Challenges
research
lack
standardized
methodologies
varied
production
systems,
local
ecosystems,
data
limitations,
often
to
terrestrial
alternatives.
Seaweed
has
promote
sustainability
certain
sectors.
needed
optimize
seaweeds
as
sustainable
resource.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
Abstract
With
increasing
concern
about
the
environmental
pollution
of
petrochemical
plastics,
people
are
constantly
exploring
environmentally
friendly
and
sustainable
alternative
materials.
Compared
with
materials,
cellulose
has
overwhelming
superiority
in
terms
mechanical
properties,
thermal
cost,
biodegradability.
However,
flammability
hinders
its
practical
application
to
a
certain
extent,
so
improving
fire‐retardant
properties
nanofiber‐based
materials
become
research
focus.
Here,
nanofiber
alginate
extracted
from
abundant
natural
sargassum
as
high‐strength
nanoscale
building
blocks,
then
structural
material
is
prepared
through
bottom‐up
hydrogel
layer‐by‐layer
method.
The
obtained
incorporate
excellent
(≈297
MPa),
stability
(≈200
°C),
low
expansion
coefficient
(≈7.17
×
10
−6
K
−1
),
properties.
This
work
largely
improves
utilization
seaweed
residue
polymers,
providing
bio‐based
strategy,
wide
range
development
prospects
field
fiber‐based
high‐performance
future.
Foods,
Год журнала:
2023,
Номер
12(19), С. 3642 - 3642
Опубликована: Окт. 1, 2023
In
a
few
Southeast
Asian
nations,
seaweeds
have
been
staple
of
the
cuisine
since
prehistoric
times.
Seaweeds
are
currently
becoming
more
and
popular
around
world
due
to
their
superior
nutritional
value
medicinal
properties.
This
is
because
rising
seaweed
production
on
global
scale
substantial
research
composition
bioactivities
over
past
20
years.
By
reviewing
several
articles
in
literature,
this
review
aimed
provide
comprehensive
information
about
primary
secondary
metabolites
various
classes
bioactive
compounds,
such
as
polysaccharides,
polyphenols,
proteins,
essential
fatty
acids,
along
with
bioactivities,
single
article.
also
highlights
potential
development
nutraceuticals,
particular
focus
ability
enhance
human
health
overall
well-being.
addition,
we
discuss
challenges
opportunities
associated
advancement
pharmaceuticals
nutraceuticals
derived
from
seaweeds,
well
incorporation
into
different
industrial
sectors.
Furthermore,
find
that
many
constituents
found
demonstrated
terms
therapeutic
attributes,
including
antioxidative,
anti-inflammatory,
anticancer,
other
conclusion,
seaweed-based
compounds
huge
play
an
important
role
food,
nutraceutical,
pharmaceutical
However,
future
should
pay
attention
developing
efficient
techniques
for
extraction
purification
toxicity
analysis,
clinical
efficacy,
mode
action,
interactions
regular
diets.
The Science of The Total Environment,
Год журнала:
2024,
Номер
951, С. 175654 - 175654
Опубликована: Авг. 20, 2024
A
simple
cascade
process
based
on
the
hydrothermal
fractionation
of
Ulva
spp.
biomass
was
proposed.
Considering
overall
extraction
yields
(50
%),
ulvan
recovery
(23
and
composition,
structural,
mechanical
cytotoxic
properties,
selected
optimal
final
heating
temperature
160
°C.
Ethanol
precipitation
provided
highest
but
choline
chloride
precipitated
ulvans
showed
stronger
G´
moduli
1.5·104
Pa
3·104
for
ethanol
chloride,
respectively.
Both
products
were
safe
NCTC
929
mouse
fibroblasts
after
a
cooling
stage,
formed
films
without
requiring
any
additives.
From
ulvan-free
liquid
fraction,
one
product
with
43
%
(wt,
d.b.)
phenolics
moderate
antiradical
properties
byproduct
containing
nutrients
minerals
separated.
The
methane
potential
corresponding
residual
solids
influenced
by
doubled
compared
to
than
untreated
seaweed
(60
mL/g
VS).
This
scheme
could
be
also
applied
wet
algal
biomass,
in
chemical
free
alternative
provide
ready
use
biopolymers,
bioactives,
nutrients,
salts
biogas,
conforming
biorefinery
approach.
Biomass Conversion and Biorefinery,
Год журнала:
2023,
Номер
13(16), С. 14359 - 14388
Опубликована: Июль 24, 2023
Abstract
The
management
of
biowaste
and
agricultural
solid
waste
is
gaining
attention
due
to
rising
landfill
disposal
costs
the
need
for
locally
available
feedstocks.
biorefinery
concept
aims
achieve
zero
through
valorizing
residues
as
fertilizers.
Despite
containing
NPK
macronutrients,
may
not
promote
plant
growth
limited
nutrient
availability
phytotoxic
compounds.
production
valuable
organic,
mineral-organic,
or
mineral
fertilizers
with
confirmed
agronomic
properties
marketable
products
remains
understudied.
This
comprehensive
review
broadens
our
understanding
fertilizer
in
biorefineries,
which
complements
energy
(thermal,
biogas,
biodiesel)
chemical
compounds
(e.g.,
succinic
acid,
propanediol,
protein
concentrates)
that
are
also
generated
within
biorefineries.
It
among
first
reviews
investigate
importance
fertilizers,
emphasizing
methods
leading
commercial
rationale
behind
this
process.
findings
confirm
directly
applying
unprocessed
soil
does
fully
exploit
their
value
by-products.
study
contributes
practical
analysis
barriers
(legal,
chemical,
biological,
technological)
opportunities
(rising
prices
reduced
global
fertilizers)
related
biorefining
Algal Research,
Год журнала:
2024,
Номер
81, С. 103587 - 103587
Опубликована: Июнь 22, 2024
The
invasive
macroalgae
Rugulopteryx
okamurae
has
been
used
as
raw
material
for
the
production
of
hydrolytic
enzymes
and
polyhydroxyalkanoates
(PHA),
bioplastic
precursors.
fungus
Aspergillus
oryzae,
grown
in
solid
state
fermentation
(SSF)
on
macroalga
biomass,
produced
several
enzymes,
mainly
xylanase
alginate
lyase.
Also,
SSF
was
biological
pretreatment
to
enhance
release
fermentable
sugars
after
enzyme
hydrolysis
subsequent
PHA
production.
To
increase
sugar
concentration
reduce
total
cost
process,
performed
at
a
high
load
stirring
rate,
reducing
cocktail
dose
by
63.5
%.
At
these
conditions,
hydrolysate
contained
18.52
g/L
sugars,
which
were
fermented
with
Cupriavidus
necator,
reaching
maximum
288.0
mg
PHA/L
24
h.
