Characterization of Shrimp Oil from Pandalus borealis by High Performance Liquid Chromatography and High Resolution Mass Spectrometry
Guangling Jiao,Joseph P. M. Hui,Ian W. Burton,Marie-Hélène Thibault,Claude Pelletier,Josée Boudreau,Nadia Tchoukanova,Balaji Subramanian,Yahia Djaoued,Stephen Ewart,Jacques Gagnon,Kathryn Vanya Ewart,Junzeng Zhang +12 more
TLDR
A comprehensive characterization of the triacylglycerols and astaxanthin esters that predominate in the shrimp oil is presented by using HPLC-HRMS and MS/MS, as well as 13C-NMR, which offers direct characterization of fatty acid molecules in their intact forms.Abstract:
Northern shrimp (Pandalus borealis) oil, which is rich in omega-3 fatty acids, was recovered from the cooking water of shrimp processing facilities. The oil contains significant amounts of omega-3 fatty acids in triglyceride form, along with substantial long-chain monounsaturated fatty acids (MUFAs). It also features natural isomeric forms of astaxanthin, a nutritional carotenoid, which gives the oil a brilliant red color. As part of our efforts in developing value added products from waste streams of the seafood processing industry, we present in this paper a comprehensive characterization of the triacylglycerols (TAGs) and astaxanthin esters that predominate in the shrimp oil by using HPLC-HRMS and MS/MS, as well as 13C-NMR. This approach, in combination with FAME analysis, offers direct characterization of fatty acid molecules in their intact forms, including the distribution of regioisomers in TAGs. The information is important for the standardization and quality control, as well as for differentiation of composition features of shrimp oil, which could be sold as an ingredient in health supplements and functional foods.read more
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Free Radical Scavenging and Cellular Antioxidant Properties of Astaxanthin.
Janina Dose,Seiichi Matsugo,Haruka Yokokawa,Yutaro Koshida,Shigetoshi Okazaki,Ulrike Seidel,Manfred Eggersdorfer,Gerald Rimbach,Tuba Esatbeyoglu +8 more
TL;DR: The electron spin resonance (ESR) and spin trapping data suggest that synthetic astaxanthin is a potent free radical scavenger in terms of diphenylpicryl-hydrazyl (DPPH) and galvinoxyl free radicals.
Journal ArticleDOI
Wastes and by-products: Upcoming sources of carotenoids for biotechnological purposes and health-related applications
TL;DR: In this article, the authors provide an extensive approach to bioresidues valorization, focusing its chemical composition in terms of carotenoids content and their upcoming uses for biotechnological purposes.
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Intensified green production of astaxanthin from Haematococcus pluvialis
TL;DR: In this paper, the authors evaluated bioethanol wastewater streams (thin stillage, process condensate and scrubber/dryer samples) as potential green media to culture microalgae Haematococcus pluvialis, and to assess the effectiveness of ultrasound in microalgal cell disruption and astaxanthin extraction.
Journal ArticleDOI
Deep sequencing and transcriptome analyses to identify genes involved in secoiridoid biosynthesis in the Tibetan medicinal plant Swertia mussotii
Yue Liu,Yi Wang,Fengxian Guo,Lin Zhan,Toni Mohr,Prisca Cheng,Naxin Huo,Naxin Huo,Ronghui Gu,Danning Pei,Jiaqing Sun,Li Tang,Chunlin Long,Luqi Huang,Yong Q. Gu +14 more
TL;DR: The examination of the accumulated levels of three bioactive compounds, sweroside, swertiamarin, and gentiopicroside, revealed their considerable variations in different tissues, with no significant correlation with the expression profiles of key genes in the pathway, suggesting complex biological behaviours in the coordination of metabolite biosynthesis and accumulation.
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Integrated Haematococcus pluvialis biomass production and nutrient removal using bioethanol plant waste effluent
TL;DR: In this paper, an air-lift photobioreactor was used to utilize the wastewater as well as a CO2-enriched gas supply for the combined purpose of wastewater treatment, CO2 utilization, and simultaneous production of astaxanthin and microalgal biomass.
References
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Astaxanthin: Sources, Extraction, Stability, Biological Activities and Its Commercial Applications—A Review
TL;DR: Astaxanthin, used as a nutritional supplement, antioxidant and anticancer agent, prevents diabetes, cardiovascular diseases, and neurodegenerative disorders, and also stimulates immunization.
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Astaxanthin, a carotenoid with potential in human health and nutrition
TL;DR: In this review, the recent scientific literature is covered on the most significant activities of compound 1, including its antioxidative and anti-inflammatory properties, its effects on cancer, diabetes, the immune system, and ocular health, and other related aspects.
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Monounsaturated Fatty Acids and Risk of Cardiovascular Disease
TL;DR: This report summarizes the current understanding of how monounsaturated fatty acids (MUFAs) affect risk for cardiovascular disease (CVD) and discusses dietary cis MUFA, of which oleic acid comprises ≈92% of cis MUFAs.