Natural-derived sorbents: Application of biochar materials as green extractive approach in food analysis
Publikation: Beiträge in Zeitschriften › Übersichtsarbeiten › Forschung
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in: Talanta, Jahrgang 297, 128608, 01.01.2026.
Publikation: Beiträge in Zeitschriften › Übersichtsarbeiten › Forschung
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TY - JOUR
T1 - Natural-derived sorbents
T2 - Application of biochar materials as green extractive approach in food analysis
AU - Iglesias-Martín, Carla
AU - Ares, Ana M.
AU - Bernal, José
AU - Fuente-Ballesteros, Adrián
N1 - Publisher Copyright: © 2025 The Authors
PY - 2026/1/1
Y1 - 2026/1/1
N2 - The transition toward greener methodologies in analytical chemistry has intensified interest in biochar as a sustainable sorbent for food analysis. Derived from the pyrolysis of agro-industrial residues, biochar combines low-cost production with good properties such as high surface area, porosity, and surface tunability. This review provides a critical and feedstock-oriented overview of biochar applications in food sample preparation, categorizing sorbents based on their biomass origin (fruit waste, nut and seed residues, cereal by-products, lignocellulosic fibers, and wood waste). Each source is examined in terms of its physicochemical characteristics, extraction efficiency, and performance across different food matrices. Special emphasis is placed on sorbent modification strategies, the use of environmentally compatible desorption solvents, and the alignment of biochar use with green analytical chemistry (GAC) principles. Additionally, the review identifies key research gaps, limitations in analytical reproducibility, and challenges for regulatory acceptance. Overall, biochar emerges as a versatile and eco-efficient material with strong potential to enhance sustainability in food safety analysis.
AB - The transition toward greener methodologies in analytical chemistry has intensified interest in biochar as a sustainable sorbent for food analysis. Derived from the pyrolysis of agro-industrial residues, biochar combines low-cost production with good properties such as high surface area, porosity, and surface tunability. This review provides a critical and feedstock-oriented overview of biochar applications in food sample preparation, categorizing sorbents based on their biomass origin (fruit waste, nut and seed residues, cereal by-products, lignocellulosic fibers, and wood waste). Each source is examined in terms of its physicochemical characteristics, extraction efficiency, and performance across different food matrices. Special emphasis is placed on sorbent modification strategies, the use of environmentally compatible desorption solvents, and the alignment of biochar use with green analytical chemistry (GAC) principles. Additionally, the review identifies key research gaps, limitations in analytical reproducibility, and challenges for regulatory acceptance. Overall, biochar emerges as a versatile and eco-efficient material with strong potential to enhance sustainability in food safety analysis.
KW - Agro-industrial waste
KW - Bio–based material
KW - Functionalized sorbent
KW - Green analytical chemistry
KW - Green sorbent
KW - Solid-phase extraction
KW - Chemistry
UR - https://www.scopus.com/pages/publications/105011048794
U2 - 10.1016/j.talanta.2025.128608
DO - 10.1016/j.talanta.2025.128608
M3 - Scientific review articles
C2 - 40706480
AN - SCOPUS:105011048794
VL - 297
JO - Talanta
JF - Talanta
SN - 0039-9140
M1 - 128608
ER -