Novel astaxanthin extraction from Haematococcus pluvialis using cell permeabilising ionic liquids

R.K. Desai*, M. Streefland, R.H. Wijffels, M.H.M. Eppink

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

121 Citations (Scopus)

Abstract

Haematococcus pluvialis (H. pluvialis) is a natural source of the food colorant astaxanthin. It is characterised by a thick resistant cell wall composed of a non-hydrolysable biopolymer, sporopollenin. High energy-consuming mechanical disruption is required to improve the extractability of astaxanthin. Opposed to that, this study uses a novel technology with ionic liquids (ILs) to permeabilise the Haematoccocal cyst cell under mild conditions of temperature and improve the extraction of astaxanthin. The study shows that =70% astaxanthin can be extracted from intact H. pluvialis cells using 1-ethyl-3methylimidazolium di-butylphosphate (EMIM DBP) at a concentration of 40% w/w in a water solution and temperature of 45°C. Ionic liquids serve as a promising pre-treatment step for extraction of pigments from intact H. pluvialis cells. The results obtained opens new avenues for processing of algal biomass
Original languageEnglish
Pages (from-to)1261-1267
JournalGreen Chemistry
Volume18
Issue number5
DOIs
Publication statusPublished - 2016

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