4.7 Article

Improved collagen extraction from jellyfish (Acromitus hardenbergi) with increased physical-induced solubilization processes

Journal

FOOD CHEMISTRY
Volume 251, Issue -, Pages 41-50

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2017.12.083

Keywords

Jellyfish; Acromitus hardenbergi; Collagen; Extraction process; Extraction yield; Physicochemical properties; Toxicity

Funding

  1. Prototype Research Grant Scheme (PRGS) from the Malaysian Ministry of Higher Education (MOHE)
  2. HICoE-MOHE project
  3. JSPS ACORE-COMSEA-MOHE program
  4. JSPS CCore-RENSEA Program
  5. JSPS KAKENHI [26304030]
  6. Kanazawa Research Fellowship Award from the Asian Fisheries Society

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Efficiency and effectiveness of collagen extraction process contribute to huge impacts to the quality, supply and cost of the collagen produced. Jellyfish is a potential sustainable source of collagen where their applications are not limited by religious constraints and threats of transmittable diseases. The present study compared the extraction yield, physico-chemical properties and toxicology in vitro of collagens obtained by the conventional acid-assisted and pepsin-assisted extraction to an improved physical-aided extraction process. By increasing physical intervention, the production yield increased significantly compared to the conventional extraction processes (p < .05). Collagen extracted using the improved process was found to possess similar proximate and amino acids composition to those extracted using pepsin (p > .05) while retaining high molecular weight distributions and polypeptide profiles similar to those extracted using only acid. Moreover, they exhibited better appearance, instrumental colour and were found to be non-toxic in vitro and free of heavy metal contamination.

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