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Journal articles on the topic 'Extraits de microalgues'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Azaman, Siti Nor Ani, Norio Nagao, Fatimah M. Yusoff, Sheau Wei Tan, and Swee Keong Yeap. "A comparison of the morphological and biochemical characteristics of Chlorella sorokiniana and Chlorella zofingiensis cultured under photoautotrophic and mixotrophic conditions." PeerJ 5 (September 8, 2017): e3473. http://dx.doi.org/10.7717/peerj.3473.

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The responses of two species of microalgae, Chlorella sorokiniana and Chlorella zofingiensis, were compared regarding their morphological and biochemical properties under photoautotrophic and mixotrophic conditions. These microalgae were cultured under both conditions, and their crude ethanolic extracts were examined for their pigment and total phenolic contents. In addition, the microalgae’s antioxidant activities were determined using a DPPH radical scavenging assay and a ferric reducing antioxidant power (FRAP) assay. Both strains showed increases in cell size due to the accumulation of lip

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2

JENNIFER, SUASNAVAS, FLORES RONNY, and INÉS ECHEVERRÍA. "Evaluación de la actividad antibacteriana de extractos de microalgas usando cepas ATCC." Química Central 6, no. 1 (2018): 57–66. http://dx.doi.org/10.29166/quimica.v6i1.1416.

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La presencia de bacterias multirresistentes es un problema de salud pública a nivel mundial, lo que genera lanecesidad de buscar alternativas terapéuticas de preferencia de origen natural. El objetivo del trabajo de investigaciónfue evaluar la actividad antibacteriana de extractos etanólicos, metanólicos y hexánicos de los génerosde microalgas: Chlorella sp., Anabaena sp., Oscillatoria sp. y Stichococcus sp., recolectadas de la estación antárticaecuatoriana Pedro Vicente Maldonado. Los extractos fueron obtenidos mediante la técnica de extracciónSoxhlet. La actividad antibacteriana se evaluó en

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3

Bello, Adewale Suraj, Imen Saadaoui, and Radhouane Ben-Hamadou. "“Beyond the Source of Bioenergy”: Microalgae in Modern Agriculture as a Biostimulant, Biofertilizer, and Anti-Abiotic Stress." Agronomy 11, no. 8 (2021): 1610. http://dx.doi.org/10.3390/agronomy11081610.

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Microalgae are photoautotrophic organisms with high commercial potential. Extracts from microalgae are extensively used in crop cultivation, mainly because they possess growth-promoting properties, coupled with their enhancing impacts on the crop’s ability to withstand abiotic stresses viz. extreme temperatures, drought, salinity, and mineral deficiency. The chemical composition of microalgae extract includes carbohydrates, proteins, lipids, vitamins, micronutrients, macronutrients, and phytohormones (auxins, cytokinins, ethylene, abscisic acid, and gibberellins). This review aims to provide a

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Veas, Rhonda, Maura Rojas-Pirela, Christian Castillo, et al. "Microalgae extracts: Potential anti-Trypanosoma cruzi agents?" Biomedicine & Pharmacotherapy 127 (July 2020): 110178. http://dx.doi.org/10.1016/j.biopha.2020.110178.

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Conde, Tiago A., Bruna F. Neves, Daniela Couto, et al. "Microalgae as Sustainable Bio-Factories of Healthy Lipids: Evaluating Fatty Acid Content and Antioxidant Activity." Marine Drugs 19, no. 7 (2021): 357. http://dx.doi.org/10.3390/md19070357.

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The demand for sustainable and environmentally friendly food sources and food ingredients is increasing, and microalgae are promoted as a sustainable source of essential and bioactive lipids, with high levels of omega-3 fatty acids (ω-3 FA), comparable to those of fish. However, most FA screening studies on algae are scattered or use different methodologies, preventing a true comparison of its content between microalgae. In this work, we used gas-chromatography mass-spectrometry (GC-MS) to characterize the FA profile of seven different commercial microalgae with biotechnological applications (

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Ebert, Sandra, Lutz Grossmann, Jörg Hinrichs, and Jochen Weiss. "Emulsifying properties of water-soluble proteins extracted from the microalgae Chlorella sorokiniana and Phaeodactylum tricornutum." Food & Function 10, no. 2 (2019): 754–64. http://dx.doi.org/10.1039/c8fo02197j.

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Tolpeznikaite, Ernesta, Vadims Bartkevics, Modestas Ruzauskas, et al. "Characterization of Macro- and Microalgae Extracts Bioactive Compounds and Micro- and Macroelements Transition from Algae to Extract." Foods 10, no. 9 (2021): 2226. http://dx.doi.org/10.3390/foods10092226.

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The aim of this study was to evaluate the characteristics of macroalgae (Cladophora rupestris, Furcellaria lumbricalis, Ulva intestinalis) and microalgae (Arthrospira platensis (Sp1, Sp2), Chlorella vulgaris) extracts, including micro- and macroelement transition to extract, antioxidant, antimicrobial properties, the concentrations of chlorophyll (-a, -b), and the total carotenoid concentration (TCC). In macroalgae, the highest TCC and chlorophyll content were found in C. rupestris. In microalgae, the TCC was 10.1-times higher in C. vulgaris than in Sp1, Sp2; however, the chlorophyll contents

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8

Reyna-Martinez, Raul, Ricardo Gomez-Flores, Ulrico López-Chuken, et al. "Antitumor activity of Chlorella sorokiniana and Scenedesmus sp. microalgae native of Nuevo León State, México." PeerJ 6 (February 9, 2018): e4358. http://dx.doi.org/10.7717/peerj.4358.

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Cancer cases result in 13% of all deaths worldwide. Unwanted side effects in patients under conventional treatments have led to the search for beneficial alternative therapies. Microalgae synthesize compounds with known in vitro and in vivo biological activity against different tumor cell lines. Therefore, native microalgae from the State of Nuevo Leon, Mexico may become a potential source of antitumor agents. The aim of the present study was to evaluate the in vitro cytotoxic effect of Nuevo Leon regional Chlorella sorokiniana (Chlorellales: Chlorellaceae) and Scenedesmus sp. (Chlorococcales:

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9

Mohamed, Jamila Ben, Jihen Elleuch, Marwa Drira, et al. "Characterization and Biotechnological Potential of Two Native Marine Microalgae Isolated from the Tunisian Coast." Applied Sciences 11, no. 11 (2021): 5295. http://dx.doi.org/10.3390/app11115295.

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Microalgae are attracting considerable interest worldwide. In the present study, two native microalgae strains isolated from Tunisian cost were identified as Chlamydomonas sp. and Navicula sp. We characterized their pigment and protein contents, as well as their carbohydrate and lipid productivity. The predominant fatty acids were found to be α-linolenic acid (C18:3n-3) and palmitoleic acid (C16:1n-7) for Chlamydomonas sp. and Navicula sp. strains respectively. Microalgae methanol extracts showed important in vitro antibacterial activity against all tested gram negative bacteria. Antioxidant a

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Zea-Obando, Claudia, Alina Tunin-Ley, Jean Turquet, et al. "Anti-Bacterial Adhesion Activity of Tropical Microalgae Extracts." Molecules 23, no. 9 (2018): 2180. http://dx.doi.org/10.3390/molecules23092180.

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The evolution of regulations concerning biocidal products aimed towards an increased protection of the environment (e.g., EU Regulation No 528/2012) requires the development of new non-toxic anti-fouling (AF) systems. As the marine environment is an important source of inspiration, such AF systems inhibiting the adhesion of organisms without any toxicity could be based on molecules of natural origin. In this context, the antibiofilm potential of tropical microalgal extracts was investigated. The tropics are particularly interesting in terms of solar energy and temperatures which provide a wide

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Gaur, J. P., and H. D. Kumar. "Effects of Aqueous Oil Extracts on Four Microalgae." Acta Hydrochimica et Hydrobiologica 13, no. 1 (1985): 115–19. http://dx.doi.org/10.1002/aheh.19850130118.

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12

Sun, Peipei, Ka-Wing Cheng, Yongjin He, Bin Liu, Xuemei Mao, and Feng Chen. "Screening and identification of inhibitors of advanced glycation endproduct formation from microalgal extracts." Food & Function 9, no. 3 (2018): 1683–91. http://dx.doi.org/10.1039/c7fo01840a.

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13

González-Arceo, Maitane, Saioa Gómez-Zorita, Leixuri Aguirre, and María P. Portillo. "Effect of Microalgae and Macroalgae Extracts on Non-Alcoholic Fatty Liver Disease." Nutrients 13, no. 6 (2021): 2017. http://dx.doi.org/10.3390/nu13062017.

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The present review aims to gather scientific evidence regarding the beneficial effects of microalgae and macroalgae extracts on non-alcoholic fatty liver disease (NAFLD). The described data show that both microalgae and macroalgae improved this alteration. The majority of the reported studies analysed the preventive effects because algae were administered to animals concurrent with the diet that induced NAFLD. The positive effects were demonstrated using a wide range of doses, from 7.5 to 300 mg/kg body weight/day or from 1 to 10% in the diet, and experimental periods ranged from 3 to 16 weeks

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Kherraf, Asmaa, Wafaa Tehami, Wahiba Boufeldja, et al. "Determination of the nutritional and functional metabolites of Nanochloropsis gaditana produced in Algeria and evaluation of its antioxidant activity." South Asian Journal of Experimental Biology 7, no. 1 (2017): 13–20. http://dx.doi.org/10.38150/sajeb.7(1).p13-20.

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The aim of this work was to valorize the microalgae Nannochloropsis gaditana grown in Algeria for the purpose of producing human and animal food supplements as well as bioactive substances. The microalga had a fresh matter content of 9.33±1.15%. The amount of ash (6.4 ± 0.23%) was high and reflected mineral richness. Total sugars represented 7.13±0.23%. Proteins and lipids represented 13.38±0.2% and 7±1%, respectively. The ethanolic (EENg) and methanolic (MENg) extracts obtained from 10 g of lyophilisates of N. gaditana represented respectively 24±1.65% and 14.2±0.7%. The evalu-ation of the po

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15

Gómez-Zorita, Saioa, Jenifer Trepiana, Maitane González-Arceo, et al. "Anti-Obesity Effects of Microalgae." International Journal of Molecular Sciences 21, no. 1 (2019): 41. http://dx.doi.org/10.3390/ijms21010041.

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In recent years, microalgae have attracted great interest for their potential applications in nutraceutical and pharmaceutical industry as an interesting source of bioactive medicinal products and food ingredients with anti-oxidant, anti-inflammatory, anti-cancer, and anti-microbial properties. One potential application for bioactive microalgae compounds is obesity treatment. This review gathers together in vitro and in vivo studies which address the anti-obesity effects of microalgae extracts. The scientific literature supplies evidence supporting an anti-obesity effect of several microalgae:

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Burboa-Zazueta, María G., Luis E. Gutiérrez-Millán, Miguel A. Valdéz-Covarrubias, Marco A. López-Torres, Armando Burgos-Hernández, and Alfonso Garcia-Galaz. "ACTIVIDADES BIOLÓGICAS DEL EXTRACTO METANÓLICO DE Rhodosorus marinus." Biotecnia 20, no. 3 (2018): 102–10. http://dx.doi.org/10.18633/biotecnia.v20i3.711.

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Las microalgas marinas pueden ser una fuente de moléculas bioactivas; existen numerosos reportes de actividad antioxidante, antibacteriana y antiproliferativa de extractos obtenidos a partir de macroalgas. El objetivo del presente trabajo fue evaluar la actividad citotóxica, antioxidante y antimutagénica del extracto metanólico de la microalga roja Rhodosorus marinus. El extracto fue obtenido a partir de biomasa liofilizada mediante lisis ácida y sonicación. Se evaluó la actividad citotóxica frente a 7 líneas celulares humanas con el ensayo MTT, la actividad antioxidante por ABTS y DPPH y la a

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Haoujar, Imane, Francesco Cacciola, Jamal Abrini, et al. "The Contribution of Carotenoids, Phenolic Compounds, and Flavonoids to the Antioxidative Properties of Marine Microalgae Isolated from Mediterranean Morocco." Molecules 24, no. 22 (2019): 4037. http://dx.doi.org/10.3390/molecules24224037.

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This study aimed to investigate the potential of four sea water microalgae, isolated and cultivated at M′diq Bay in Morocco, as a new source of natural antioxidants. These microalgae belong to different classes, including Phaedactylium tricornitum (Bacillariophyceae), Nannochloropsis gaditana (Eustigmatophyceae), Nannochloris sp (Trebouxiophyceae), and Tetraselmis suecica (Chlorodendrophycea). The antioxidant properties were screened by the use of in vitro assays, namely 2,2-difenil-1-picrylhydrazyl, Ferric reducing antioxidant power, and Ferrous ions chelating activity, and compoundidentifica

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18

Conde, Tiago Alexandre, Ioannis Zabetakis, Alexandros Tsoupras, et al. "Microalgal Lipid Extracts Have Potential to Modulate the Inflammatory Response: A Critical Review." International Journal of Molecular Sciences 22, no. 18 (2021): 9825. http://dx.doi.org/10.3390/ijms22189825.

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Noncommunicable diseases (NCD) and age-associated diseases (AAD) are some of the gravest health concerns worldwide, accounting for up to 70% of total deaths globally. NCD and AAD, such as diabetes, obesity, cardiovascular disease, and cancer, are associated with low-grade chronic inflammation and poor dietary habits. Modulation of the inflammatory status through dietary components is a very appellative approach to fight these diseases and is supported by increasing evidence of natural and dietary components with strong anti-inflammatory activities. The consumption of bioactive lipids has a pos

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19

Shanab, Sanaa MM, Soha SM Mostafa, Emad A. Shalaby, and Ghada I. Mahmoud. "Aqueous extracts of microalgae exhibit antioxidant and anticancer activities." Asian Pacific Journal of Tropical Biomedicine 2, no. 8 (2012): 608–15. http://dx.doi.org/10.1016/s2221-1691(12)60106-3.

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Barkia, Ines, Nazamid Saari, and Schonna R. Manning. "Microalgae for High-Value Products Towards Human Health and Nutrition." Marine Drugs 17, no. 5 (2019): 304. http://dx.doi.org/10.3390/md17050304.

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Microalgae represent a potential source of renewable nutrition and there is growing interest in algae-based dietary supplements in the form of whole biomass, e.g., Chlorella and Arthrospira, or purified extracts containing omega-3 fatty acids and carotenoids. The commercial production of bioactive compounds from microalgae is currently challenged by the biorefinery process. This review focuses on the biochemical composition of microalgae, the complexities of mass cultivation, as well as potential therapeutic applications. The advantages of open and closed growth systems are discussed, includin

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Silva, Thauane, Paulo S. Salomon, Lidilhone Hamerski, et al. "Inhibitory effect of microalgae and cyanobacteria extracts on influenza virus replication and neuraminidase activity." PeerJ 6 (October 26, 2018): e5716. http://dx.doi.org/10.7717/peerj.5716.

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Background The influenza virus can cause seasonal infections with mild to severe symptoms, circulating worldwide, and it can affect people in any age group. Therefore, this infection is a serious public health problem that causes severe illness and death in high-risk populations. Every year, 0.5% of the world’s population is infected by this pathogen. This percentage can increase up to ten times during pandemics. Influenza vaccination is the most effective way to prevent disease. In addition, anti-influenza drugs are essential for prophylactic and therapeutic interventions. The oseltamivir (OS

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de Vera, Caterina, Guillermo Díaz Crespín, Antonio Hernández Daranas, et al. "Marine Microalgae: Promising Source for New Bioactive Compounds." Marine Drugs 16, no. 9 (2018): 317. http://dx.doi.org/10.3390/md16090317.

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The study of marine natural products for their bioactive potential has gained strength in recent years. Oceans harbor a vast variety of organisms that offer a biological and chemical diversity with metabolic abilities unrivalled in terrestrial systems, which makes them an attractive target for bioprospecting as an almost untapped resource of biotechnological applications. Among them, there is no doubt that microalgae could become genuine “cell factories” for the biological synthesis of bioactive substances. Thus, in the course of inter-laboratory collaboration sponsored by the European Union (

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Jerez-Martel, Idaira, Sara García-Poza, Gara Rodríguez-Martel, Milagros Rico, Cristina Afonso-Olivares, and Juan Luis Gómez-Pinchetti. "Phenolic Profile and Antioxidant Activity of Crude Extracts from Microalgae and Cyanobacteria Strains." Journal of Food Quality 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/2924508.

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Aqueous and methanolic extracts of several microalgae (Ankistrodesmus sp., Spirogyra sp., Euglena cantabrica, and Caespitella pascheri) and cyanobacteria (Nostoc sp., Nostoc commune, Nodularia spumigena, Leptolyngbya protospira, Phormidiochaete sp., and Arthrospira platensis) were screened for their radical scavenging activity against the stable radical 1,1-diphenyl-2-picrylhydrazyl. Despite the fact that water was a more efficient solvent to extract greater amount of extractable substances, it seems that methanol was more efficient to extract a selected group of compounds with a higher antiox

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Guedes, A., Maria Gião, Rui Seabra, et al. "Evaluation of the Antioxidant Activity of Cell Extracts from Microalgae." Marine Drugs 11, no. 12 (2013): 1256–70. http://dx.doi.org/10.3390/md11041256.

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Desai, Rupali K., Hélène Monteillet, Xiaohua Li, et al. "One-step mild biorefinery of functional biomolecules from microalgae extracts." Reaction Chemistry & Engineering 3, no. 2 (2018): 182–87. http://dx.doi.org/10.1039/c7re00116a.

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Scaglioni, Priscila Tessmer, Sabrina de Oliveira Garcia, and Eliana Badiale-Furlong. "Inhibition of in vitro trichothecenes production by microalgae phenolic extracts." Food Research International 124 (October 2019): 175–80. http://dx.doi.org/10.1016/j.foodres.2018.07.008.

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27

Arumugam, Kasturi, Mohd Fadzli Ahmad, Nor Suhaila Yaacob, et al. "Enhancement of targeted microalgae species growth using aquaculture sludge extracts." Heliyon 6, no. 7 (2020): e04556. http://dx.doi.org/10.1016/j.heliyon.2020.e04556.

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28

López, Yuly, and Sara M. Soto. "The Usefulness of Microalgae Compounds for Preventing Biofilm Infections." Antibiotics 9, no. 1 (2019): 9. http://dx.doi.org/10.3390/antibiotics9010009.

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Biofilms play an important role in infectious diseases. It has been estimated that most medical infections are due to bacterial biofilms, and about 60–70% of nosocomial infections are also caused by the formation of a biofilm. Historically, microalgae are an important source of bioactive compounds, having novel structures and potential biological functions that make them attractive for different industries such as food, animal feed, aquaculture, cosmetics, and pharmaceutical. Several studies have described compounds produced by microalgae and cyanobacteria species with antimicrobial activity.

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Koh, Yih, Wan Chu, Siew Phang, et al. "Inhibitory activities of microalgal extracts against Epstein-Barr Virus (EBV) antigen expression in lymphoblastoid cells." Archives of Biological Sciences 66, no. 3 (2014): 1009–24. http://dx.doi.org/10.2298/abs1403009k.

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The inhibitory activities of microalgal extracts against the expression of three EBV antigens, latent membrane protein (LMP)1, Epstein-Barr nuclear antigen (EBNA)1 and Z Epstein-Barr reactivation activator (ZEBRA) were assessed by immunocytochemistry. The observation that the methanol extracts and their fractions from Ankistrodesmus convolutus, Synechococcus elongatus and Spirulina platensis exhibited inhibitory activity against EBV proteins in three Burkitt?s lymphoma cell lines at concentrations as low as 20 ?g/ml suggests that microalgae could be a potential source of antiviral compounds ag

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Dantas, Danielli Matias de Macedo, Carlos Yure Barbosa de Oliveira, Romero Marcos Pedrosa Brandão Costa, Maria das Graças Carneiro-da-Cunha, Alfredo Olivera Gálvez, and Ranilson de Souza Bezerra. "Evaluation of antioxidant and antibacterial capacity of green microalgae Scenedesmus subspicatus." Food Science and Technology International 25, no. 4 (2019): 318–26. http://dx.doi.org/10.1177/1082013218825024.

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Microalgae are considered one of the most promising raw materials for the development of high value products for pharmaceuticals, nutraceuticals, and cosmetic industries, as well as being potential sources of protein, vitamins, and minerals for human consumption. Hence, the present research focuses extraction of antioxidant and antimicrobial compounds from Scenedesmus subspicatus using solvents of different polarities. Different solvents such as ethanol, methanol, butanol, acetone, dimethyl sulfoxide, and water were used to extract compounds from the green microalgae S. subspicatus and then th

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Coulombier, Noémie, Elodie Nicolau, Loïc Le Déan, Cyril Antheaume, Thierry Jauffrais, and Nicolas Lebouvier. "Impact of Light Intensity on Antioxidant Activity of Tropical Microalgae." Marine Drugs 18, no. 2 (2020): 122. http://dx.doi.org/10.3390/md18020122.

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Twelve microalgae species isolated in tropical lagoons of New Caledonia were screened as a new source of antioxidants. Microalgae were cultivated at two light intensities to investigate their influence on antioxidant capacity. To assess antioxidant property of microalgae extracts, four assays with different modes of action were used: 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2’-azino-bis (3-éthylbenzothiazoline-6-sulphonique) (ABTS), oxygen radical absorbance capacity (ORAC), and thiobabituric acid reactive substances (TBARS). This screening was coupled to pigment analysis to link antioxidant ac

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Vieira, Marta V., Lorenzo M. Pastrana, and Pablo Fuciños. "Microalgae Encapsulation Systems for Food, Pharmaceutical and Cosmetics Applications." Marine Drugs 18, no. 12 (2020): 644. http://dx.doi.org/10.3390/md18120644.

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Microalgae are microorganisms with a singular biochemical composition, including several biologically active compounds with proven pharmacological activities, such as anticancer, antioxidant and anti-inflammatory activities, among others. These properties make microalgae an interesting natural resource to be used as a functional ingredient, as well as in the prevention and treatment of diseases, or cosmetic formulations. Nevertheless, natural bioactives often possess inherent chemical instability and/or poor solubility, which are usually associated with low bioavailability. As such, their indu

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Machado, Tatiane Winkler Marques, Jenifer Mota Rodrigues, Tatiana Rojo Moro, Maria Eugênia Rabello Duarte, and Miguel Daniel Noseda. "Marine Microalgae Biomolecules and Their Adhesion Capacity to Salmonella enterica sv. Typhimurium." Applied Sciences 10, no. 7 (2020): 2239. http://dx.doi.org/10.3390/app10072239.

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Different molecules have been tested as analog receptors due to their capacity to bind bacteria and prevent cell adhesion. By using in vitro assays, the present study characterized the aqueous and alkaline extracts from microalgae Pavlova lutheri and Pavlova gyrans and evaluated the capacity of these extracts to adhere to enterobacteria (Salmonella Typhimurium). The aqueous and alkaline extracts of both species were fractionated via freeze-thawing, giving rise to soluble and insoluble (precipitate) fractions in cold water. The obtained fractions were studied using thermogravimetric, methylatio

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Kiran, Boda Ravi, and S. Venkata Mohan. "Microalgal Cell Biofactory—Therapeutic, Nutraceutical and Functional Food Applications." Plants 10, no. 5 (2021): 836. http://dx.doi.org/10.3390/plants10050836.

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Microalgae are multifaceted photosynthetic microorganisms with emerging business potential. They are present ubiquitously in terrestrial and aquatic environments with rich species diversity and are capable of producing significant biomass. Traditionally, microalgal biomass is being used as food and feed in many countries around the globe. The production of microalgal-based bioactive compounds at an industrial scale through biotechnological interventions is gaining interest more recently. The present review provides a detailed overview of the key algal metabolites, which plays a crucial role in

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Hughes, Alison H., Florent Magot, Ahmed F. Tawfike, et al. "Exploring the Chemical Space of Macro- and Micro-Algae Using Comparative Metabolomics." Microorganisms 9, no. 2 (2021): 311. http://dx.doi.org/10.3390/microorganisms9020311.

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With more than 156,000 described species, eukaryotic algae (both macro- and micro-algae) are a rich source of biological diversity, however their chemical diversity remains largely unexplored. Specialised metabolites with promising biological activities have been widely reported for seaweeds, and more recently extracts from microalgae have exhibited activity in anticancer, antimicrobial, and antioxidant screens. However, we are still missing critical information on the distinction of chemical profiles between macro- and microalgae, as well as the chemical space these metabolites cover. This st

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Qiu, Jin, Dong Shuanglin, and Wang Changyun. "Growth inhibition to three red tide microalgae by extracts ofUlva pertusa." Chinese Journal of Oceanology and Limnology 24, no. 2 (2006): 147–53. http://dx.doi.org/10.1007/bf02842814.

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Higgins, Brendan T., Alexander Thornton-Dunwoody, John M. Labavitch, and Jean S. VanderGheynst. "Microplate assay for quantitation of neutral lipids in extracts from microalgae." Analytical Biochemistry 465 (November 2014): 81–89. http://dx.doi.org/10.1016/j.ab.2014.07.020.

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Wong, M. H. "Cultivation of microalgae in refuse compost and soy-bean waste extracts." Agricultural Wastes 12, no. 3 (1985): 225–33. http://dx.doi.org/10.1016/0141-4607(85)90065-4.

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Yaacob, Nor Suhaila, Mohd Fadzli Ahmad, Nobuyuki Kawasaki, et al. "Kinetics Growth and Recovery of Valuable Nutrients from Selangor Peat Swamp and Pristine Forest Soils Using Different Extraction Methods as Potential Microalgae Growth Enhancers." Molecules 26, no. 3 (2021): 653. http://dx.doi.org/10.3390/molecules26030653.

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Soil extracts are useful nutrients to enhance the growth of microalgae. Therefore, the present study attempts for the use of virgin soils from Peninsular Malaysia as growth enhancer. Soils collected from Raja Musa Forest Reserve (RMFR) and Ayer Hitam Forest Reserve (AHFR) were treated using different extraction methods. The total dissolved nitrogen (TDN), total dissolved phosphorus (TDP), and dissolved organic carbon (DOC) concentrations in the autoclave methods were relatively higher than natural extraction with up to 132.0 mg N/L, 10.7 mg P/L, and 2629 mg C/L, respectively for RMFR. The resu

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Fenizia, Simona, Kathleen Thume, Marino Wirgenings, and Georg Pohnert. "Ectoine from Bacterial and Algal Origin Is a Compatible Solute in Microalgae." Marine Drugs 18, no. 1 (2020): 42. http://dx.doi.org/10.3390/md18010042.

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Osmoregulation in phytoplankton is attributed to several highly polar low-molecular-weight metabolites. A widely accepted model considers dimethylsulfoniopropionate (DMSP) as the most important and abundant osmotically active metabolite. Using an optimized procedure for the extraction and detection of highly polar metabolites, we expand the group of phytoplankton osmolytes by identifying ectoine in several microalgae. Ectoine is known as a bacterial compatible solute, but, to the best of our knowledge, was never considered as a phytoplankton-derived product. Given the ability of microalgae to

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Cepas, Virginio, Yuly López, Yaiza Gabasa, et al. "Inhibition of Bacterial and Fungal Biofilm Formation by 675 Extracts from Microalgae and Cyanobacteria." Antibiotics 8, no. 2 (2019): 77. http://dx.doi.org/10.3390/antibiotics8020077.

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Bacterial biofilms are complex biological systems that are difficult to eradicate at a medical, industrial, or environmental level. Biofilms confer bacteria protection against external factors and antimicrobial treatments. Taking into account that about 80% of human infections are caused by bacterial biofilms, the eradication of these structures is a great priority. Biofilms are resistant to old-generation antibiotics, which has led to the search for new antimicrobials from different sources, including deep oceans/seas. In this study, 675 extracts obtained from 225 cyanobacteria and microalgae

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Lee, Yu Ri, Seung Buhm Woo, and Kyung Ho Row. "Extraction of Astaxnathin from Portunus trituberculatus Using Ionic Liquids as Additives of Extraction Solvents." Advanced Materials Research 1101 (April 2015): 252–55. http://dx.doi.org/10.4028/www.scientific.net/amr.1101.252.

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Astaxanthin is a carotenoid red pigment in yeast, microalgae, shrimp and crab, and has strong antioxidant activity. In this work, an effective and accurate method was developed for the extraction of astaxanthin from Portunustrituberculatus with ionic liquids as extraction additives. 47.30 mg/g of astaxanthin in extracts was detected by C18 column with a mobile phase consisting of acetonitrile-chloroform-methanol-water (71:22:4:3, v/v).

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Bleakley, Stephen, and Maria Hayes. "Functional and Bioactive Properties of Protein Extracts Generated from Spirulina platensis and Isochrysis galbana T-Iso." Applied Sciences 11, no. 9 (2021): 3964. http://dx.doi.org/10.3390/app11093964.

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There is growing consumer demand for food products derived from microalgae, driven largely by the perceived health benefits associated with them. The functional and bioactive potential of proteins isolated from two microalgae—Spirulina sp. and Isochrysis galbana T-Iso—were determined. The results obtained show the potential of microalgal protein extracts for use in the beverage industry, based on solubility values and other functional characteristics, including water and oil holding capacities, foaming, emulsifying activities and stabilities, water activities, solubility and pH. The solubility

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Martin-Gordillo, Lidia, María Cuaresma, Mª Ángeles Fernández-Recamales, Ana Sayago, Carlos Vílchez, and Inés Garbayo. "Cultivation of Microalgae Chlorella Using Wine Industry by-Products." Proceedings 66, no. 1 (2021): 30. http://dx.doi.org/10.3390/proceedings2020066030.

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An approach of new and sustainable uses for by-products generated in the wine production industry, one of the agro-food sectors of importance, has been studied. Wine lees, a sediment obtained in different processes of decantation of wine, have been used to produce biomass of microalgae enriched in carotenoids as high added value biomolecules. Experiments to incorporate chemical components of wine lees into microalgae biomass to understand the effect of these residues on the growth and biosynthesis of carotenoids into commercial microalgae Chlorella sorokiniana have been done. Algal culture sys

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Colla, Giuseppe, and Youssef Rouphael. "Microalgae: New Source of Plant Biostimulants." Agronomy 10, no. 9 (2020): 1240. http://dx.doi.org/10.3390/agronomy10091240.

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Biostimulant manufacturers have developed innovative products targeting specific agronomic needs, hence attracting the attention of the scientific community, extension specialists, and industry stakeholders including policymakers and crop producers. Microalgae acquire a broad economic value in the production of nutrient dense food and supplementary diet produce, in addition to their high importance in biofuel production and wastewater bioremediation. Recently, microalgae, which comprise blue-green algae (eukaryotic and prokaryotic cyanobacteria), have gained prominence as biostimulant products

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46

Martin-Gordillo, Lidia, María Cuaresma, Mª Ángeles Fernández-Recamales, Ana Sayago, Carlos Vílchez, and Inés Garbayo. "Cultivation of Microalgae Chlorella Using Wine Industry by-Products." Proceedings 66, no. 1 (2021): 30. http://dx.doi.org/10.3390/proceedings2020066030.

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Abstract:

An approach of new and sustainable uses for by-products generated in the wine production industry, one of the agro-food sectors of importance, has been studied. Wine lees, a sediment obtained in different processes of decantation of wine, have been used to produce biomass of microalgae enriched in carotenoids as high added value biomolecules. Experiments to incorporate chemical components of wine lees into microalgae biomass to understand the effect of these residues on the growth and biosynthesis of carotenoids into commercial microalgae Chlorella sorokiniana have been done. Algal culture sys

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German-Báez, LJ, MA Valdez-Flores, JV Félix-Medina, et al. "Chemical composition and physicochemical properties of Phaeodactylum tricornutum microalgal residual biomass." Food Science and Technology International 23, no. 8 (2017): 681–89. http://dx.doi.org/10.1177/1082013217717611.

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The production of photosynthetic biofuels using microalgae is a promising strategy to combat the use of non-renewable energy sources. The microalgae residual biomass is a waste by-product of biofuel production; however, it could prove to have utility in the development of sustainable nutraceuticals and functional foods. In this study, a comprehensive characterisation of the under-utilised Phaeodactylum tricornutum microalgae residual biomass is presented. Proximal composition, antioxidant capacity (using three different antioxidant assays; oxygen radical absorbance capacity; radical cation act

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Blanco-Llamero, Cristina, and F. Javier Señoráns. "Biobased Solvents for Pressurized Liquid Extraction of Nannochloropsis gaditana Omega-3 Lipids." Marine Drugs 19, no. 2 (2021): 107. http://dx.doi.org/10.3390/md19020107.

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To develop greener extraction alternatives for microalgae biomass, ultrasound assisted extraction (UAE) and pressurized liquid extraction (PLE) with different biobased solvents were investigated, demonstrating that both techniques are useful alternatives for algal lipid extraction. Specifically, Nannochloropsis gaditana lipids were extracted by UAE and PLE at different temperatures and extraction times with sustainable solvents like 2-Methyltetrahydrofuran (2-MeTHF) and its mixtures with ethanol and other alcohols. The best oil yields for both PLE and UAE of N. gaditana were achieved with the

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Behera, Bunushree, and P. Balasubramanian. "Natural plant extracts as an economical and ecofriendly alternative for harvesting microalgae." Bioresource Technology 283 (July 2019): 45–52. http://dx.doi.org/10.1016/j.biortech.2019.03.070.

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An, Zhen, Zhenyu Wang, Fengmin Li, Zhijia Tian, and Hongying Hu. "Allelopathic inhibition on red tide microalgae Skeletonema costatum by five macroalgal extracts." Frontiers of Environmental Science & Engineering in China 2, no. 3 (2008): 297–305. http://dx.doi.org/10.1007/s11783-008-0055-3.

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