Results 41 to 50 of about 28,761 (237)

Astaxanthin decreased oxidative stress and inflammation and enhanced immune response in humans [PDF]

open access: yes, 2010
Background Astaxanthin modulates immune response, inhibits cancer cell growth, reduces bacterial load and gastric inflammation, and protects against UVA-induced oxidative stress in in vitro and rodent models.
Jean Park   +4 more
core   +2 more sources

Reaction of Astaxanthin with Peroxynitrite [PDF]

open access: yesBioscience, Biotechnology, and Biochemistry, 2008
The in vitro reactivities of astaxanthin toward peroxynitrite were investigated and the reaction products after scavenging with peroxynitrite were analyzed in order to determine the complete mechanism of this reaction. A series of carotenoids, 13-apo-astaxanthinone (1), 12'-apo-15'-nitroastaxanthinal (2), 12'-apo-astaxanthinal (3), 10'-apo ...
Tsutomu, Hayakawa   +4 more
openaire   +2 more sources

Optimization of Preparation Process and Stability Investigation of Astaxanthin Vesicles

open access: yesShipin gongye ke-ji
Objective: To enhance the dispersion of astaxanthin in aqueous phases, astaxanthin-loaded vesicles were fabricated, and their stability under various environmental conditions was examined.
Chunran HAN   +3 more
doaj   +1 more source

Accumulation of phytoene and astaxanthin and related genes expression in Haematococcus pluvialis under sodium acetate stress

open access: yesAquatic Biology, 2020
Phytoene and astaxanthin are 2 important carotenoids in the green alga Haematococcus pluvialis. Under environmental stress, the synthesis of phytoene in H.
Cong, X   +11 more
doaj   +1 more source

An evaluation of astaxanthin as a nutraceutical growth promoter in starter diets for weanling pigs [PDF]

open access: yes, 2007
A nursery study was conducted at the KSU Swine Teaching and Research Farm to evaluate the effect of increasing dietary astaxanthin (0, 5, 10, and 25 ppm) on weanling pig performance. Astaxanthin is a carotenoid found in various plants, algae, and seafood
Bergstrom, J.R.   +5 more
core   +2 more sources

Effect of Astaxanthin on the Expression and Activity of Aquaporin-3 in Skin in an In-Vitro Study

open access: yesLife, 2020
Astaxanthin (3,3′-dihydroxy-β,β-carotene-4,4′-dione) is a red lipophilic pigment with strong antioxidant action. Oral or topical administration of astaxanthin has been reported to improve skin function, including increasing skin moisture.
Nobutomo Ikarashi   +6 more
doaj   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

Excipient Emulsion–Based Delivery Systems for Enhancing Carotenoid Bioavailability: Advances in Formulation and Gastrointestinal Fate

open access: yesAgriFood: Journal of Agricultural Products for Food, EarlyView.
Excipient emulsion systems improve carotenoid solubilization, protect against degradation, and enhance gastrointestinal absorption through optimized formulation and digestion behavior. ABSTRACT Carotenoids are bioactive compounds that contribute to human health through antioxidant, provitamin A, and disease‐preventive effects.
Tugce Ceyhan   +3 more
wiley   +1 more source

Herstellung eines Phaffia rhodozyma : Stamms mit verstärkter Astaxanthin-Synthese über gezielte genetische Modifikation chemisch mutagenisierter Stämme [PDF]

open access: yes, 2014
Ziel dieser Arbeit war es erstmals durch eine Kombination aus chemischer Mutagenese und gezielter genetischer Modifikation (hier: „metabolic engineering“) einen Phaffia-Stamm herzustellen, welcher über die Mutagenese hinaus über eine weiter verstärkte ...
Gassel, Sören
core  

Microalgae cultivation for lipids and carbohydrates production [PDF]

open access: yes, 2017
Microalgae are photoautotrophic microorganisms that can produce energy both by using sunlight, water and CO2 (phototrophic metabolism) and by using organic sources such as glucose (heterotrophic metabolism).
Altimari, Pietro   +7 more
core   +1 more source

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