Emerging macro- and micromolecules separation

Giorgia Spigno, Krishnamurthy Nagendra Prasad, Paula Jauregi, N. N. Misra, Patrick J. Cullen

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Following their physical and chemical properties, macro- and micromolecules in biological substances are nowadays separated using conventional and emerging techniques. In this chapter, emerging separation technologies such as colloidal gas aphrons, ultrasound assisted crystallization, and pressurized microwave extraction are discussed in detail. Colloidal gas aphrons are surfactant-stabilized microbubbles that have been utilized for the selective separation of both macro- and micromolecules (e.g. proteins and polyphenols, respectively). Proteins segregation has been conducted via ultrasound-assisted crystallization, too, a process considered in terms of nucleation and crystal growth. In addition, a typical extraction technique based on microwaves has recently been combined with pressure in order to separate and recover macromolecules efficiently (e.g. pectin) from food by-products.
Original languageEnglish
Title of host publicationFood Waste Recovery: Processing Technologies and Industrial Techniques
EditorsC. GALANAKIS
Pages227-248
Number of pages22
DOIs
Publication statusPublished - 2015

Keywords

  • Colloidal gas aphrons
  • Pressurized microwave extraction
  • Ultrasound-assisted crystallization

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