Microalgal Phenolics: Systematic Review with a Focus on Methodological Assessment and Meta-Analysis DOI Creative Commons
Vasilis Andriopoulos, Michael Kornaros

Marine Drugs, Journal Year: 2024, Volume and Issue: 22(10), P. 460 - 460

Published: Oct. 7, 2024

A critical review and analysis of the literature relevant to phenolic content eucaryotic microalgae was performed. Several issues were identified discussed. In summary, main problems with reporting on are following: (1) despite its usefulness in determination plant samples, Folin–Ciocalteu assay is non-suitable for microalgal research due high presence interfering compounds extracts such as chlorophyll derivatives organic free aromatic amino acids or nucleotides aqueous extracts; (2) while there chromatographic evidence simple most clades, lack enzymes biosynthesis microalgae, well variability profiles even same genus, require more extensive before conclusions drawn; (3) accumulation metabolism external phenolics by has been almost universally neglected studies focusing when natural seawater complex media used cultivation process. Despite these issues, bioremediation waste streams rich through demonstrates ability those organisms adsorb, internalize, many cases oxidize transform a wide range compounds, at very concentrations. Simple found streams, olive mill waste, have shown enhance antioxidant activity various bioactivities extracts, biotransformation products also characterized. conclusion, de novo via requires further investigation better designed experiments suitable analytical methods, response their growth medium great practical interest, both terms treatment production functional foods, cosmetics, pharmaceuticals.

Language: Английский

Seaweed-derived phenolic compounds as diverse bioactive molecules: A review on identification, application, extraction and purification strategies DOI
Abbas Sadeghi, Ali Rajabiyan,

Nafise Nabizade

et al.

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 266, P. 131147 - 131147

Published: March 26, 2024

Language: Английский

Citations

32
Recent progress in natural seaweed pigments: Green extraction, health-promoting activities, techno-functional properties and role in intelligent food packaging DOI Creative Commons
Muhammad Faisal Manzoor, Muhammad Talha Afraz, Betül Bay Yılmaz

et al.

Journal of Agriculture and Food Research, Journal Year: 2024, Volume and Issue: 15, P. 100991 - 100991

Published: Jan. 20, 2024

Edible seaweed is a worthwhile source of natural pigments (NPs) such as carotenoids, chlorophylls, and phycobiliproteins, these functional ingredients have been well-acknowledged due to their beneficial therapeutic properties. Green extraction techniques are the best option generate them more effectively by shorter times, lower operational temperatures, reduced solvent use, process automation aid in efficient compound retrieval. These NPs show valuable biological properties neuroprotective, anti-cancer, antioxidant, anti-inflammatory, anti-bacterial, anti-angiogenic, anti-obesity activities—the potential highlights applications food industries. frequently used colorants, providing nutritional value enhancing sensorial techno-functional final product. Also, use presently being expanded intelligent packaging observe freshness time-temperature indicator improve shelf life. Properly using foods could incline novel segment seaweed-based hybrid/composite health foods. This review critically analyzes recent advances from 2015 2023 NPs' green extraction, properties, ensuing items, role systems.

Language: Английский

Citations

19
Sustainable Green Extraction of Carotenoid Pigments: Innovative Technologies and Bio-Based Solvents DOI Creative Commons
Ángeles Morón-Ortiz, Paula Mapelli‐Brahm, Antonio J. Meléndez‐Martínez

et al.

Antioxidants, Journal Year: 2024, Volume and Issue: 13(2), P. 239 - 239

Published: Feb. 15, 2024

Carotenoids are ubiquitous and versatile isoprenoid compounds. The intake of foods rich in these pigments is often associated with health benefits, attributable to the provitamin A activity some them different mechanisms. importance carotenoids their derivatives for production health-promotion through diet beyond doubt. In new circular economy paradigm, recovery biorefinery process highly desirable, which greener processes solvents being advocated for, considering many studies conducted at laboratory scale. This review summarizes information on extraction technologies (ultrasound, microwaves, pulsed electric fields, pressurized liquid extraction, sub- supercritical fluid enzyme-assisted extraction) green (ethyl lactate, 2-methyltetrahydrofuran, natural deep eutectic solvents, ionic liquids), potential substitutes more toxic less environmentally friendly solvents. Additionally, it discusses results latest sustainable carotenoids. conclusions drawn from indicate that while promising, scalability real industrial scenarios poses a significant challenge. Furthermore, incorporating life cycle assessment analyses crucial comprehensive evaluation sustainability innovative compared industry-standard methods.

Language: Английский

Citations

17
Characterization of microalgal β-carotene and astaxanthin: exploring their health-promoting properties under the effect of salinity and light intensity DOI Creative Commons
Aditi Sharma, Rupesh Bhardwaj,

Ankush Yadav

et al.

Biotechnology for Biofuels and Bioproducts, Journal Year: 2025, Volume and Issue: 18(1)

Published: Feb. 14, 2025

Microalgae are promising sources of valuable carotenoids like β-carotene and astaxanthin with numerous health benefits. This review summarizes recent studies on producing these in microalgae under different salinity light-intensity conditions, which key factors influencing their biosynthesis. The carotenoid biosynthesis pathways microalgae, involving the methylerythritol phosphate pathway chloroplasts, described detail. effects high light stress stimulating accumulation species Haematococcus pluvialis Chromochloris zofingiensis synergistic impact discussed. Similarly, covers how induce production Dunaliella salina other microalgae. diverse health-promoting properties β-carotene, such as antioxidant, antiinflammatory, anticancer activities, highlighted. Strategies to improve yields through environmental stresses, two-stage cultivation, genetic engineering, metabolic engineering approaches evaluated. Overall, this highlights advancements reporting microalgal capability produce level 31.5% increase productivity reaching 18.1 mg/L/day lacustris. It also explores novel biotechnological strategies, including CRISPR-Cas9, for enhancing yield.

Language: Английский

Citations

3
Review Insights on the Demand for Natural Pigments and Their Recovery by Emerging Microwave-Assisted Extraction (MAE) DOI
Donald Lyngdoh Nonglait, Jyoti S. Gokhale

Food and Bioprocess Technology, Journal Year: 2023, Volume and Issue: 17(7), P. 1681 - 1705

Published: Sept. 5, 2023

Language: Английский

Citations

28
Nutritional Benefits of Lycopene and Beta‐Carotene: A Comprehensive Overview DOI Creative Commons
Tabussam Tufail,

Huma Bader Ul Ain,

Sana Noreen

et al.

Food Science & Nutrition, Journal Year: 2024, Volume and Issue: 12(11), P. 8715 - 8741

Published: Oct. 16, 2024

Certain carotene components, such as lycopene and beta-carotene, are found in tomatoes, carrots, sweet potatoes, etc. good for human health. It gives plants their distinctive red color. A class of lipid-soluble natural pigments known carotenoids is the precursor vitamin vital antioxidant defense against peroxides cells tissues. This review provides an overview current state knowledge research on sources, structures, physiochemical properties, absorption metabolism, functional advantages, prevention many diseases associated with beta-carotene. These antioxidants have been linked to a lower risk cardiovascular disease cancer, they also help draw pollinators flowers. Carrots potatoes rich sources which strengthens immune system improves eye The vivid color reproductive organs, including flowers fruits, caused by carotenoid, secondary metabolite that produced plastids. other health advantages attributed lycopene. When ingested through food or supplements, beta-carotene manage prevent number diseases, metabolic, inflammatory, cardiovascular, hepatic, ophthalmic, skeletal, infertility disorders. main point toxicity uncommon, these generally accepted be safe at different doses. Including nutrients your diet can improve general provide illness prevention.

Language: Английский

Citations

15
Sustainable extraction and utilization of chlorophyll from microalgae for eco-friendly wool dyeing DOI Creative Commons
Alexandre M.S. Jorge, Pedro R.M. Pedroso, Jorge F. B. Pereira

et al.

Journal of Cleaner Production, Journal Year: 2024, Volume and Issue: 451, P. 142009 - 142009

Published: March 31, 2024

Microalgae are promising and sustainable sources of diverse valuable compounds, including chlorophyll, a pigment widely used in food, feed, cosmeceutical applications. Exploring its interesting green hue, recent investigations have delved into alternative industrial applications, such as textile dyeing, aiming to minimize reliance on non-sustainable synthetic dyes. To reduce the use these environmentally harmful compounds dyeing establish cost-effective eco-friendly approaches for chlorophyll extraction, this study investigates extracted from Chlorella vulgaris NIVA CHL-108 wool dyeing. Aqueous biphasic systems (ABS) composed ethanol sodium hydroxide were chlorophyll-concentrated phase was This integrated approach allowed complete recovery enhanced performance mordanted unmordanted wool. The achieved remarkable uptake 87% after two cycles wool, approximately 98% copper ions proposes circular ABS-based platforms concentration, also presenting challenges impeding their application proposing strategies overcome them. work proves that alcohol/salt simple, circular, cost-efficient solutions extraction utilization

Language: Английский

Citations

12
Enhancing the Biological Effects of Bioactive Compounds from Microalgae through Advanced Processing Techniques: Pioneering Ingredients for Next-Generation Food Production DOI Creative Commons
Monize Bürck, Sergiana dos Passos Ramos, Anna Rafaela Cavalcante Braga

et al.

Foods, Journal Year: 2024, Volume and Issue: 13(12), P. 1811 - 1811

Published: June 8, 2024

The heightened interest in healthy dietary practices and the preference for fresh, minimally processed foods with reduced additives have witnessed a significant surge among consumers. Within this context, bioactive compounds garnered attention as potent agents offering beneficial biological effects when integrated into food formulations. Nevertheless, efficacy of these product development encounters numerous challenges during various processing storage stages due to their inherent instability. Addressing limitations necessitates exploring novel technological approaches tailored explicitly application production. These should not only focus on preserving within matrices but also retaining sensory attributes (color, taste, aroma) final products. impact microalgae human health well-being has been extensively reported literature. However, there is still gap regarding stability microalgal improve industry. main goal present work point out how overcome enhancing from optimal applications.

Language: Английский

Citations

7
Comparative Study of Conventional, Microwave-Assisted and Supercritical Fluid Extraction of Bioactive Compounds from Microalgae: The Case of Scenedesmus obliquus DOI Creative Commons
Ioulia Georgiopoulou, Vasiliki Louli,

Kostis Magoulas

et al.

Separations, Journal Year: 2023, Volume and Issue: 10(5), P. 290 - 290

Published: May 4, 2023

The recovery of bioactive products with green processes is a critical topic for the research and industry fields. In this work, application solid–liquid (SLE), microwave-assisted extraction (MAE) aq. ethanol 90% v/v supercritical fluid (SFE) CO2 biocomponents from Scenedesmus obliquus studied. effects examined were temperature (30–60 °C), time (6–24 h), solvent-to-biomass ratio (20–90 mLsolv/gbiom) SLE, (40–60 (5–25 min), mLsolv/gbiom), microwave power (300–800 W) MAE, pressure (110–250 bar), solvent flow rate (20–40 gsolv/min), cosolvent presence (0, 10% w/w ethanol) SFE in relation to extract’s yield, phenolic, chlorophyll, carotenoid content, antioxidant activity. optimum conditions determined 30 °C, 24 h, 90 mLsolv/gbiom 60 5 min, mLsolv/gbiom, 300 W 250 bar, 40 gsolv/min SFE. Additionally, kinetic study was conducted obtained results satisfactorily correlated using Sovová’s model. comparison between methods proved MAE’s efficiency all terms compared SLE. Moreover, accompanied lowest yield chlorophyll yet led an increased content improved Finally, addition significantly SFE’s most superior extract.

Language: Английский

Citations

14
Evaluation of Polyphenolic Profile and Antioxidant Activity of Sea Buckthorn (Elaeagnus rhamnoides (L.) A. Nelson) Leaf and Berry Extracts Obtained via Optimized Microwave-Assisted and Accelerated Solvent Extraction DOI Open Access

Patricija Čulina,

Maja Repajić, Ivona Elez Garofulić

et al.

Processes, Journal Year: 2024, Volume and Issue: 12(1), P. 126 - 126

Published: Jan. 3, 2024

The aim of this study was to optimize parameters microwave-assisted extraction (MAE) and accelerated solvent (ASE) in terms temperature time, microwave power cycle numbers on the phenolic content sea buckthorn leaves berries, using 70% ethanol (v/v) as an solvent. characterization composition leaf berry extracts obtained at optimal MAE ASE conditions performed with UPLC/ESI-MS2, while antioxidant activity determined ORAC method. for were 60 °C, 500 W 15 min 300 W, 10 berries. from both berries 120 min, 3 cycles. Total (TPC) similar TPC by conventional (60 °C/30 min); however, contributed higher extracts. flavonols kaempferol-3-rutinoside kaempferol most abundant phenols buckthorn. A found it correlated content. In general, favored all polyphenols leaves, more suitable suggesting that choice method is crucial regard target molecules future applications.

Language: Английский

Citations

6