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. 2023 Oct 15;28(20):7093. doi: 10.3390/molecules28207093

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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CS sources and extraction methods based on the use of cartilage. (A) The main sources of CS and GAG; (B) the conventional extraction processes for CS based on the use of cartilage; (C) co-production of CS and peptides from chicken sternal cartilage via hot pressure treatment [24] (copyright © 2023, Elsevier). SEM: scanning electron microscopy photograph; AGE: agarose-gel electrophoresis; FTIR: fourier transform-infrared spectroscopy; HPLC: high performance liquid chromatography; NMR: nuclear magnetic resonance.