beta-apo-8'-carotenal

c.i. 40820 8'-apo-beta- caroten-8'-al 8'apo-beta,psi- carotenal all-trans-beta-apo-8'- carotenal apo carotenal apo-beta,psi- carotenal, 8' ci 40820 food orange 6 (2E,4E,6E,8E,10E,12E,14E,16E)-2,6,11,15- tetramethyl-17-(2,6,6-trimethylcyclohexen-1-yl)heptadeca-2,4,6,8,10,12,14,16-octaenal PubMed: Novel carotenoid cleavage dioxygenase catalyzes the first dedicated step in saffron crocin biosynthesis. PubMed: Tackling the challenge of selective analytical clean-up of complex natural extracts: the curious case of chlorophyll removal. PubMed: Dynamics of the time-resolved stimulated Raman scattering spectrum in presence of transient vibronic inversion of population on the example of optically excited trans-β-apo-8'-carotenal. PubMed: Analysis of carotenoid isomerase activity in a prototypical carotenoid cleavage enzyme, apocarotenoid oxygenase (ACO). PubMed: Substrate specificity of purified recombinant human β-carotene 15,15'-oxygenase (BCO1). PubMed: Determination of egg yolk xanthophylls by isocratic high-performance liquid chromatography. PubMed: A novel carotenoid cleavage activity involved in the biosynthesis of Citrus fruit-specific apocarotenoid pigments. PubMed: Acyclic carotenoid and cyclic apocarotenoid cleavage by an orthologue of lignostilbene-α,β-dioxygenase in Rhodopseudomonas palustris. PubMed: Structural basis of carotenoid cleavage: from bacteria to mammals. PubMed: The ORF slr0091 of Synechocystis sp. PCC6803 encodes a high-light induced aldehyde dehydrogenase converting apocarotenals and alkanals. PubMed: New insight into the cleavage reaction of Nostoc sp. strain PCC 7120 carotenoid cleavage dioxygenase in natural and nonnatural carotenoids. PubMed: Microcapsules containing antioxidant molecules as scavengers of reactive oxygen and nitrogen species. PubMed: The formation, occurrence, and function of β-apocarotenoids: β-carotene metabolites that may modulate nuclear receptor signaling. PubMed: In vivo and in vitro studies on the carotenoid cleavage oxygenases from Sphingopyxis alaskensis RB2256 and Plesiocystis pacifica SIR-1 revealed their substrate specificities and non-retinal-forming cleavage activities. PubMed: Characterization of an apo-carotenoid 13,14-dioxygenase from Novosphingobium aromaticivorans that converts β-apo-8'-carotenal to β-apo-13-carotenone. PubMed: Separation and quantification of 15 carotenoids by reversed phase high performance liquid chromatography coupled to diode array detection with isosbestic wavelength approach. PubMed: Application of centrifugal precipitation chromatography and high-speed counter-current chromatography equipped with a spiral tubing support rotor for the isolation and partial characterization of carotenoid cleavage-like enzymes in Enteromorpha compressa (L.) Nees. PubMed: Dietary 9-cis-β,β-carotene fails to rescue vision in mouse models of leber congenital amaurosis. PubMed: Carotenoid composition in Rhinacanthus nasutus (L.) Kurz as determined by HPLC-MS and affected by freeze-drying and hot-air-drying. PubMed: Beta-carotene reduces body adiposity of mice via BCMO1. PubMed: Carotene and novel apocarotenoid concentrations in orange-fleshed Cucumis melo melons: determinations of β-carotene bioaccessibility and bioavailability. PubMed: Antioxidant activity of β-carotene compounds in different in vitro assays. PubMed: Contribution of major lipophilic antioxidants to the antioxidant activity of basil extracts: an EPR study. PubMed: Evaluation of certain food additives and contaminants. PubMed: {beta}-Apocarotenoids do not significantly activate retinoic acid receptors {alpha} or {beta}. PubMed: Hydrophobicity of residue 108 specifically affects the affinity of human beta-carotene 15,15'-monooxygenase for substrates with two ionone rings. PubMed: Qualitative and quantitative differences in the carotenoid composition of yellow and red peppers determined by HPLC-DAD-MS. PubMed: Cloning and functional characterization of carotenoid cleavage dioxygenase 4 genes. PubMed: Total synthesis of (3R,3'R,6'R)-lutein and its stereoisomers. PubMed: Excited-state dynamics of 12'-apo-beta-caroten-12'-al and 8'-apo-beta-caroten-8'-al in supercritical CO2, N2O, and CF3H. PubMed: In vitro characterization of a recombinant Blh protein from an uncultured marine bacterium as a beta-carotene 15,15'-dioxygenase. PubMed: Substrate specificity of a recombinant chicken beta-carotene 15,15'-monooxygenase that converts beta-carotene into retinal. PubMed: Functional characterization of FaCCD1: a carotenoid cleavage dioxygenase from strawberry involved in lutein degradation during fruit ripening. PubMed: Effect of Leu/Met variation at residue 450 on isomerase activity and protein expression of RPE65 and its modulation by variation at other residues. PubMed: Activity of a cationic carotenoid derivative in a mouse model of protoporphyria. PubMed: Excentral cleavage of beta-carotene in vivo in a healthy man. PubMed: Influence of solubility-enhancing fusion proteins and organic solvents on the in vitro biocatalytic performance of the carotenoid cleavage dioxygenase AtCCD1 in a micellar reaction system. PubMed: Retinal biosynthesis in fungi: characterization of the carotenoid oxygenase CarX from Fusarium fujikuroi. PubMed: Studies of carotenoid one-electron reduction radicals. PubMed: Beta-carotene and apocarotenals promote retinoid signaling in BEAS-2B human bronchioepithelial cells. PubMed: Effects of quercetin on beta-apo-8'-carotenal-induced DNA damage and cytochrome P1A2 expression in A549 cells. PubMed: Carotenoid radical anions and their protonated derivatives. PubMed: Identification of carotenoid cleavage dioxygenases from Nostoc sp. PCC 7120 with different cleavage activities. PubMed: The carotenase AtCCD1 from Arabidopsis thaliana is a dioxygenase. PubMed: Synthetic carotenoid derivatives prevent photosensitised killing of retinal pigment epithelial cells more effectively than lutein. PubMed: Improved high performance liquid chromatographic method for determination of carotenoids in the microalga Chlorella pyrenoidosa. PubMed: Key role of conserved histidines in recombinant mouse beta-carotene 15,15'-monooxygenase-1 activity. PubMed: Electrospray tandem mass spectrometric analysis of zeaxanthin and its oxidation products. PubMed: Retinal biosynthesis in Eubacteria: in vitro characterization of a novel carotenoid oxygenase from Synechocystis sp. PCC 6803. PubMed: Structural requirements for efficient cellular photoprotection by carotenoid derivatives. PubMed: Induction of 1,N(2)-etheno-2'-deoxyguanosine in DNA exposed to beta-carotene oxidation products. PubMed: Method development and analysis of retail foods and beverages for carotenoid food colouring materials E160a(ii) and E160e. PubMed: Induction of liver monooxygenases by annatto and bixin in female rats. PubMed: Feedback regulation of beta,beta-carotene 15,15'-monooxygenase by retinoic acid in rats and chickens. PubMed: [Initial stages of trisporic acid synthesis in Blakeslea trispora]. PubMed: FT-IR study of some seco- and apocarotenoids. PubMed: Quantitative determination of 13C-labeled and endogenous beta-carotene, lutein, and vitamin A in human plasma. PubMed: Girard's reagent P derivative of beta-Apo-8'-carotenal: a potent photoprotective agent. PubMed: beta-carotene is converted primarily to retinoids in rats in vivo. PubMed: Co-oxidation of beta-carotene catalyzed by soybean and recombinant pea lipoxygenases. PubMed: Isolation of 9Z beta-carotene from Dunaliella bardawil and its stereoselective synthesis. PubMed: Dietary carotenoids inhibit aflatoxin B1-induced liver preneoplastic foci and DNA damage in the rat: role of the modulation of aflatoxin B1 metabolism. PubMed: The influence of two carotenoid food dyes on clastogenic activities of cyclophosphamide and dioxidine in mice. PubMed: Relative stability of carotenoid radical cations and homologue tocopheroxyl radicals. A real time kinetic study of antioxidant hierarchy. PubMed: Ah receptor-dependent CYP1A induction by two carotenoids, canthaxanthin and beta-apo-8'-carotenal, with no affinity for the TCDD binding site. PubMed: Enzymatic oxidation of beta-apo-8'-carotenol to beta-apo-14'-carotenal by an enzyme different from beta-carotene-15,15'-dioxygenase. PubMed: Modulation of aflatoxin B1 carcinogenicity, genotoxicity and metabolism in rat liver by dietary carotenoids: evidence for a protective effect of CYP1A inducers. PubMed: Effects of provitamin A or non-provitamin A carotenoids on liver xenobiotic-metabolizing enzymes in mice. PubMed: Carotenoid analysis of several dark-green leafy vegetables associated with a lower risk of cancers. PubMed: Rat intestinal beta-carotene dioxygenase activity is located primarily in the cytosol of mature jejunal enterocytes. PubMed: beta-Apo-8'-carotenal, but not beta-carotene, is a strong inducer of liver cytochromes P4501A1 and 1A2 in rat. PubMed: Detection of bixin, lycopene, canthaxanthin, and beta-apo-8'-carotenal in products derived from red pepper. PubMed: Isolation and identification of singlet oxygen oxidation products of beta-carotene. PubMed: Dietary carotenoids influenced biochemical but not morphological changes in adult male rats fed a choline-deficient diet. PubMed: Metabolism of carotenoid analogs in humans. PubMed: Carotenoids as cellular antioxidants. PubMed: Retinoic acid can be produced from excentric cleavage of beta-carotene in human intestinal mucosa. PubMed: Enzymatic conversion of beta-carotene into beta-apo-carotenals and retinoids by human, monkey, ferret, and rat tissues. PubMed: Characterization of products formed during the autoxidation of beta-carotene. PubMed: [Effect of carotenoids on selected indicators of cellular immunity in cockerels receiving food with high level of vitamin A]. PubMed: Localization of chicken parathyroid glands through vital staining. PubMed: Retinoids and related compounds. XI. Synthesis and stereochemistry of (+/-)-C22-acetylenic and allenic apocarotenals. PubMed: [Detection of the annatto dye norbixin/bixin in cheese using derivative spectroscopy and high performance liquid chromatography (HPLC)]. PubMed: The polarized UV-absorption spectra and the crystal structure of two different monoclinic crystal forms of the retinal homologue beta-8'-apocarotenal. PubMed: Peroral challenge tests with food additives in urticaria and atopic dermatitis. PubMed: Relative value of carotenoids as precursors of vitamin A. PubMed: Carotenoids as food colorants. PubMed: Charge-transfer complexes of some linear conjugated polyenes. PubMed: Studies on the relative biopotencies and intestinal absorption of different apo-beta-carotenoids in rats and chickens.