Results 171 to 180 of about 3,200 (205)
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2015
Abstract Coffee roasting influences the taste of the coffee brew by physically and chemically changing the coffee seed. Different compounds found in green coffee beans, such as proteins, polysaccharides, and phenolic compounds, are degraded/transformed to some extent, giving rise to a decrease of the amount of carbohydrates and chlorogenic acids and ...
José A. Rufián-Henares +1 more
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Abstract Coffee roasting influences the taste of the coffee brew by physically and chemically changing the coffee seed. Different compounds found in green coffee beans, such as proteins, polysaccharides, and phenolic compounds, are degraded/transformed to some extent, giving rise to a decrease of the amount of carbohydrates and chlorogenic acids and ...
José A. Rufián-Henares +1 more
openaire +1 more source
Journal of Food Processing and Preservation, 1983
A method for synthesis of model melanoidins at high yields from furfural and glycine is proposed. It was found that for themelanoidinthe elemental composition, and the IR, UV and mass spectra did not change considerably during the course of the reaction.
TZVETAN DIMITROV OBRETENOV +2 more
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A method for synthesis of model melanoidins at high yields from furfural and glycine is proposed. It was found that for themelanoidinthe elemental composition, and the IR, UV and mass spectra did not change considerably during the course of the reaction.
TZVETAN DIMITROV OBRETENOV +2 more
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Kinetics of the melanoidin reaction
Food processing industry, 2022Описаны кинетические характеристики образования меланоидинов: группы красящих веществ, формирующихся в пищевых производствах (солодовенном, пивоваренном, винодельческом, хлебопекарном, молочном, консервном и др.). В реакциях меланоидинообразования участвуют все сахара и аминокислоты, за исключением серосодержащих аминокислот.
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Melanoidin Studies. II. Physical and Chemical Characteristics of Synthetic Melanoidin Systems
Proceedings. Annual meeting - American Society of Brewing Chemists, 1956(1956). Melanoidin Studies. II. Physical and Chemical Characteristics of Synthetic Melanoidin Systems. Proceedings. Annual meeting - American Society of Brewing Chemists: Vol. 14, Proceedings of the Annual Meeting 1956, pp. 13-21.
G. E. Pollock, J. A. Siefker
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Food Chemistry, 2011
Size-exclusion chromatography (SEC) and activity-guided fractionation of honeys allowed the isolation of high molecular weight brown compounds, ranging in size from 66 to 235kDa that exhibited peroxyl radical-scavenging activity. Their concentrations, antioxidant activity and degree of browning increased after heat-treatment of honeys, suggesting that ...
Katrina Brudzynski
exaly +3 more sources
Size-exclusion chromatography (SEC) and activity-guided fractionation of honeys allowed the isolation of high molecular weight brown compounds, ranging in size from 66 to 235kDa that exhibited peroxyl radical-scavenging activity. Their concentrations, antioxidant activity and degree of browning increased after heat-treatment of honeys, suggesting that ...
Katrina Brudzynski
exaly +3 more sources
Journal of Agricultural and Food Chemistry, 2010 The ability of high molecular weight melanoidins extracted from coffee, barley coffee and dark beer to inhibit lipid peroxidation during simulated gastric digestion of turkey meat has been investigated.
Davide Tagliazucchi, Angela Conte
exaly +2 more sources
Photosensitizer Activity of Model Melanoidins
Journal of Agricultural and Food Chemistry, 2005This study investigates the potential of melanoidins, the brown pigments formed during Maillard reaction in thermally processed foods, to act as photosensitizers. Seven model melanoidins obtained from different amino and carbonyl compounds were irradiated in a photoreactor or exposed to sunlight.
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Biodegradable Photonic Melanoidin for Theranostic Applications
ACS Nano, 2015Light-absorbing nanoparticles for localized heat generation in tissues have various biomedical applications in diagnostic imaging, surgery, and therapies. Although numerous plasmonic and carbon-based nanoparticles with strong optical absorption have been developed, their clearance, potential cytotoxicity, and long-term safety issues remain unresolved ...
Lee, Min-Young +7 more
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New biological properties of coffee melanoidins
Food & Function, 2013Water-soluble melanoidins isolated from roasted coffee induced ex vivo changes in the bioelectric and contractile activity of rat circular gastric smooth muscle tissues. They provoked a depolarization of smooth muscle cellular membranes and an increase in Ca²⁺-influx as evidenced by the increase in the frequency and amplitude of Ca²⁺-generated spike ...
Mariana D, Argirova +2 more
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Nature of Phenolic Compounds in Coffee Melanoidins
Journal of Agricultural and Food Chemistry, 2014Phenolic compounds are incorporated into coffee melanoidins during roasting mainly in condensed form (42-62 mmol/100 g) and also in ester-linked form (1.1-1.6 mmol/100 g), with incorporation levels depending on the green coffee chlorogenic acid content.
Carina, Coelho +6 more
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