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Exploring Saduria entomon (Crustacea Isopoda) as a New Source for Chitin and Chitosan Isolation
Isabel Rodriguez-Veiga1, Niuris Acosta1,2, Inmaculada Aranaz1,2
1Instituto Pluridisciplinar, Universidad Complutense de Madrid, Paseo Juan XXIII, Num. 1, E-28040 Madrid, Spain.
International Journal of Molecular Sciences
|December 23, 2022
Summary
Saduria entomon, a Baltic crustacean, offers a viable source for chitin and chitosan, yielding significant amounts with promising biomedical properties like antimicrobial and antioxidant activity.
Area of Science:
- Biochemistry
- Marine Biology
- Materials Science
Background:
- Growing demand for chitin and chitosan across pharmaceutical, cosmetic, and agricultural sectors necessitates exploring novel isolation sources.
- Traditional sources are insufficient, driving research into alternative natural resources for these biopolymers.
Purpose of the Study:
- To evaluate Saduria entomon, a Baltic benthic crustacean, as a potential source for chitin and chitosan extraction.
- To characterize the physicochemical and biological properties of chitin and chitosan derived from S. entomon.
Main Methods:
- Isolation of chitin and chitosan from Saduria entomon specimens.
- Characterization of physicochemical properties including acetylation degree, molecular weight, thermal stability, and crystallinity.
- Evaluation of biological activities, specifically antimicrobial and antioxidant potential.
Main Results:
- Chitin and chitosan yields from S. entomon were 14.8% and 8.2%, respectively, comparable to established sources.
- The isolated chitosan demonstrated antimicrobial activity against Staphylococcus aureus but not Escherichia coli.
- A notable antioxidant activity of 20.98 TROLOX µmol equivalent/g polymer was detected in the chitosan sample.
Conclusions:
- Saduria entomon presents a promising and sustainable source for chitin and chitosan isolation.
- The characterized physicochemical and biological properties suggest potential applications in the biomedical field, particularly for its antimicrobial and antioxidant capabilities.
