A Biocascade Approach Towards the Recovery of High-Value Natural Products from Biowaste: State-of-Art and Future Trends

Claudio Madeddu, Maria Cinta Roda-Serrat, Knud Villy Christensen, Rime B. El-Houri, Massimiliano Errico*

*Corresponding author for this work

Research output: Contribution to journalReviewResearchpeer-review

Abstract

In a circular economy, products are made from renewable resources and the waste streams generated during production are either reused, recycled or recovered. The Biocascade methodology considers bio-waste as a resource that can be exploited to produce high-value products such as pharmaceuticals, food ingredients and nutrients; and low-value products such as feed, energy or soil conditioners. The Biocascade principle ensures optimal biomass exploitation by following a hierarchy from high-to-low value, where the waste from one process is the starting material for the next. Biowaste from plant origin is a very suitable resource for applying the Biocascade methodology, both in terms of worldwide production and of variety of components. In this review, the biowaste from sour cherry wine, ornamental kalanchoe plants and red clover feed production, have been examined for processing using a Biocascade approach. Starting from the biowaste characterization, the most relevant components have been identified highlighting their potential uses. The extraction methodology is then discussed in terms of solvent used, operating conditions and yield. Based on the information retrieved from literature, different process flowsheets have been proposed to maximize the use of the biowaste following the Biocascade perspective and targeting zero-waste generation. Graphic Abstract: [Figure not available: see fulltext.].

Original languageEnglish
JournalWaste and Biomass Valorization
ISSN1877-2641
DOIs
Publication statusAccepted/In press - 1. Jan 2020

Keywords

  • Biocascade
  • Biowaste
  • Kalanchoe leaves
  • Red clover
  • Sour cherry pomace

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