Bioenergy crops as alternative feedstocks for recovery of anthocyanins: A review

Shivali Banerjee, Ramkrishna Singh, Vijay Singh

Research output: Contribution to journalReview articlepeer-review


Anthocyanins are plant-based pigments known for their wide range of industrial applications. Berries, grapes, purple yam, purple corn, and black rice are among the chief dietary sources of anthocyanins. However, these sources have a well-established market in the food sector and cannot be diverted completely for the extraction of anthocyanins. Hence, there is a need to identify alternative sources of these natural colorants. In this review, color-bearing bioenergy crops with high productivity such as miscanthus, sorghum, and sugarcane have been proposed as potential feedstocks for the recovery of anthocyanins as co-products. The role of genetic modification in the biosynthesis of anthocyanins in these crops has been discussed. A consolidated bioprocessing approach has been proposed for the recovery of anthocyanins from bioenergy crops along with the production of bioethanol and lignin-based chemicals. Such an integrated process could make the overall process for the production of biofuels cost-effective.

Original languageEnglish (US)
Article number102977
JournalEnvironmental Technology and Innovation
StatePublished - Feb 2023


  • Anthocyanins
  • Bioenergy crops
  • Biorefinery
  • Valorization

ASJC Scopus subject areas

  • General Environmental Science
  • Soil Science
  • Plant Science


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