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Phytosterols from Dunaliella tertiolecta and Dunaliella salina: A potentially novel industrial application
Abstract
Sterols have been extracted and analysed from Dunaliellatertiolecta and Dunaliella salina, in order to evaluate a potentially novel industrial exploitation of these microalgae as source of phytosterols. The effect of salt concentration on sterols yields has been studied varying the quantities of NaCl into culture medium. Twelve sterols were identified by Gas-chromatographic MS/MS analysis for both algal strains. The most abundant phytosterols were (22E,24R)-methylcholesta-5,7,22-trien-3beta-ol (ergosterol) and (22E,24R)-ethylcholesta-5,7,22-trien-3beta-ol (7-dehydroporiferasterol). The whole sterol fraction consisted mainly of phytosterols (C(28) and C(29) sterols). Good yields of total sterols were achieved at lower salt concentration (1.3% and 0.89% of dry weight in D. tertiolecta and D. salina, respectively, at 0.6M NaCl), while an increase in salt concentration resulted in a significant decrease in total sterols yield.
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“Francavilla et al. (2010) reported that D. tertiolecta and D. salina grown under different salt concentrations produced abundant phytosterols such as (22E, 24R)-methylcholesta-5,7,22-trien-3b-ol (ergosterol) and (22E, 24R)-ethylcholesta-5,7,22-trien-3b-ol (7-dehydroporiferasterol).”
From Microalgae Metabolites: A Rich Source for Food and Medicine (2019) · cites this paper as Francavilla et al. (2010)
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Phytochemical and Potential Properties of Seaweeds and Their Recent Applications: A Review
EL-BELTAGI, H. S., Mohamed, A. A., Mohamed, H. I., Ramadan, K. M. A., Barqawi, A. A., & Mansour, A. T. (2022) · Marine Drugs · doi:10.3390/md20060342 · Cited by 395
Metadata
- Authors
- Francavilla, M., Trotta, P., & Luque, R.
- Affiliations
- Istituto di Scienze Marine del Consiglio Nazionale delle Ricerche (IT)
- University of Córdoba (ES)
- Corresponding author
- Francavilla, Matteo
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2010-06
- Volume
- 101
- Issue
- 11
- Pages
- 4144-4150
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2056410449
- Cited by
- 143
- References
- 28
- Citations by year
- 2026: 4 · 2025: 8 · 2024: 8 · 2023: 15 · 2022: 16 · 2021: 18 · 2020: 13 · 2019: 10 · 2018: 4 · 2017: 10 · 2016: 6 · 2015: 8 · 2014: 4 · 2013: 5 · 2012: 8
- FWCI
- 2.54
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant biochemistry and biosynthesis
- Keywords
- phytosterols, Dunaliella tertiolecta, Dunaliella salina, microalgae, salt concentration, sodium chloride, ergosterol
- MeSH terms
- Industry, Gas Chromatography-Mass Spectrometry, Phytosterols, Species Specificity, Tandem Mass Spectrometry, Eukaryota
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