One-Pot, Simultaneous Cell Wall Disruption and Complete Extraction of Astaxanthin from Haematococcus pluvialis at Room Temperature

Muhammad Irshad, Aye Aye Myint, Min Eui Hong, Jaehoon Kim, Sang Jun Sim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The extraction of diverse thermolabile but highly value-added chemicals entrapped in the robust cell wall of algal biomass has remained a remarkable challenge. This study investigated the one-pot, simultaneous cell wall disruption and extraction of bioactive astaxanthin from the cysts of Haematococcus pluvialis. During the extraction, wet grinding in the presence of ethanol caused intimate contact of the solvent with the ruptured cells, resulting in almost complete astaxanthin recovery of 31.6 mg/g of dried H. pluvialis (>99% recovery) and a significantly high extraction yield of 46.9 wt % at room temperature (around 22 °C) and atmospheric pressure in a very short time (≤30 min) under a mild milling condition (≤200 rpm). The one-pot method allowed the use of other types of generally recognized as safe solvents such as acetone, ethyl acetate, hexane, and isopropyl alcohol. The antioxidant test indicated that the crude extracts were highly active in scavenging radicals. Thus, our one-pot method was an ecofriendly and economical extraction approach for the complete recovery of astaxanthin in a simple, rapid, low-temperature, and low-pressure manner that minimized the energy required for astaxanthin extraction and suppressed its degradation.

Original languageEnglish
Pages (from-to)13898-13910
Number of pages13
JournalACS Sustainable Chemistry and Engineering
Volume7
Issue number16
DOIs
Publication statusPublished - 2019 Aug 19

Fingerprint

Cells
temperature
Recovery
Temperature
2-Propanol
Scavenging
Hexanes
cyst
Acetone
grinding
Antioxidants
Hexane
Complex Mixtures
acetone
antioxidant
atmospheric pressure
Atmospheric pressure
astaxanthine
low pressure
alcohol

Keywords

  • Antioxidant activity
  • Astaxanthin
  • Cell wall disruption
  • Extraction
  • GRAS solvent
  • Haematococcus pluvialis
  • One-pot method

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Renewable Energy, Sustainability and the Environment

Cite this

One-Pot, Simultaneous Cell Wall Disruption and Complete Extraction of Astaxanthin from Haematococcus pluvialis at Room Temperature. / Irshad, Muhammad; Myint, Aye Aye; Hong, Min Eui; Kim, Jaehoon; Sim, Sang Jun.

In: ACS Sustainable Chemistry and Engineering, Vol. 7, No. 16, 19.08.2019, p. 13898-13910.

Research output: Contribution to journalArticle

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