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Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris

Subcritical water extraction (SWE) technology has been used for the extraction of active compounds from different biomass materials with low process cost, mild operating conditions, short process times, and environmental sustainability. With the limited application of the technology to microalgal bi...

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Main Authors: Awaluddin, Saidatul Aliaa, Thiruvenkadam, Selvakumar, Siajam, Shamsul Izhar, Yoshida, Hiroyuki, Danquah, Michael Kobina, Harun, Mohd Razif
Format: Article
Language:English
Published: Hindawi Publishing Corporation 2016
Online Access:http://psasir.upm.edu.my/id/eprint/52038/1/52038.pdf
http://psasir.upm.edu.my/id/eprint/52038/
https://www.hindawi.com/journals/bmri/2016/5816974/abs/
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spelling my.upm.eprints.520382017-05-05T02:32:24Z http://psasir.upm.edu.my/id/eprint/52038/ Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris Awaluddin, Saidatul Aliaa Thiruvenkadam, Selvakumar Siajam, Shamsul Izhar Yoshida, Hiroyuki Danquah, Michael Kobina Harun, Mohd Razif Subcritical water extraction (SWE) technology has been used for the extraction of active compounds from different biomass materials with low process cost, mild operating conditions, short process times, and environmental sustainability. With the limited application of the technology to microalgal biomass, this work investigates parametrically the potential of subcritical water for high-yield extraction of biochemicals such as carbohydrates and proteins from microalgal biomass. The SWE process was optimized using central composite design (CCD) under varying process conditions of temperature (180–374°C), extraction time (1–20 min), biomass particulate size (38–250 μm), and microalgal biomass loading (5–40 wt.%). Chlorella vulgaris used in this study shows high volatile matter (83.5 wt.%) and carbon content (47.11 wt.%), giving advantage as a feedstock for biofuel production. The results showed maximum total carbohydrate content and protein yields of 14.2 g/100 g and 31.2 g/100 g, respectively, achieved under the process conditions of 277°C, 5% of microalgal biomass loading, and 5 min extraction time. Statistical analysis revealed that, of all the parameters investigated, temperature is the most critical during SWE of microalgal biomass for protein and carbohydrate production. Hindawi Publishing Corporation 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/52038/1/52038.pdf Awaluddin, Saidatul Aliaa and Thiruvenkadam, Selvakumar and Siajam, Shamsul Izhar and Yoshida, Hiroyuki and Danquah, Michael Kobina and Harun, Mohd Razif (2016) Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris. BioMed Research International, 2016. art. no. 5816974. pp. 1-10. ISSN 2314-6133; ESSN: 2314-6141 https://www.hindawi.com/journals/bmri/2016/5816974/abs/ 10.1155/2016/5816974
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Subcritical water extraction (SWE) technology has been used for the extraction of active compounds from different biomass materials with low process cost, mild operating conditions, short process times, and environmental sustainability. With the limited application of the technology to microalgal biomass, this work investigates parametrically the potential of subcritical water for high-yield extraction of biochemicals such as carbohydrates and proteins from microalgal biomass. The SWE process was optimized using central composite design (CCD) under varying process conditions of temperature (180–374°C), extraction time (1–20 min), biomass particulate size (38–250 μm), and microalgal biomass loading (5–40 wt.%). Chlorella vulgaris used in this study shows high volatile matter (83.5 wt.%) and carbon content (47.11 wt.%), giving advantage as a feedstock for biofuel production. The results showed maximum total carbohydrate content and protein yields of 14.2 g/100 g and 31.2 g/100 g, respectively, achieved under the process conditions of 277°C, 5% of microalgal biomass loading, and 5 min extraction time. Statistical analysis revealed that, of all the parameters investigated, temperature is the most critical during SWE of microalgal biomass for protein and carbohydrate production.
format Article
author Awaluddin, Saidatul Aliaa
Thiruvenkadam, Selvakumar
Siajam, Shamsul Izhar
Yoshida, Hiroyuki
Danquah, Michael Kobina
Harun, Mohd Razif
spellingShingle Awaluddin, Saidatul Aliaa
Thiruvenkadam, Selvakumar
Siajam, Shamsul Izhar
Yoshida, Hiroyuki
Danquah, Michael Kobina
Harun, Mohd Razif
Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris
author_facet Awaluddin, Saidatul Aliaa
Thiruvenkadam, Selvakumar
Siajam, Shamsul Izhar
Yoshida, Hiroyuki
Danquah, Michael Kobina
Harun, Mohd Razif
author_sort Awaluddin, Saidatul Aliaa
title Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris
title_short Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris
title_full Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris
title_fullStr Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris
title_full_unstemmed Subcritical water technology for enhanced extraction of biochemical compounds from Chlorella vulgaris
title_sort subcritical water technology for enhanced extraction of biochemical compounds from chlorella vulgaris
publisher Hindawi Publishing Corporation
publishDate 2016
url http://psasir.upm.edu.my/id/eprint/52038/1/52038.pdf
http://psasir.upm.edu.my/id/eprint/52038/
https://www.hindawi.com/journals/bmri/2016/5816974/abs/
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score 13.211869

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