Effect of gamma irradiation on trichromatic values of spices
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J. Horváthová
,
M. Suhaj
Abstract
The effect of γ-irradiation on trichromatic color values L*, a*, and b* was determined in black pepper, oregano, and allspice samples irradiated at average doses from 5 kGy to 30 kGy. Trichromatic values a* measured in methanol extracts of treated spices immediately after the irradiation process were significantly changed, but the subsequent storage of allspice and oregano caused much more distinctive alteration of these color values than the irradiation itself. Additionally, the differences in redness between the reference (non-irradiated) allspice and oregano samples and samples treated by γ-radiation gradually disappeared during the storage period. On the contrary, the post-irradiation storage of black pepper samples did not reveal any changes of a* values.
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© 2007 Institute of Chemistry, Slovak Academy of Sciences
Articles in the same Issue
- Step by step towards understanding gold glyconanoparticles as elements of the nanoworld
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- Synthesis of new triphenodithiazine- and indolocarbazolediones of biological interest
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- Enantioselective extraction of mandelic acid enantiomers by L-dipentyl tartrate and β-cyclodextrin as binary chiral selectors
- Mechanism of thermal decomposition of cobalt acetate tetrahydrate
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Articles in the same Issue
- Step by step towards understanding gold glyconanoparticles as elements of the nanoworld
- Structure—activity relationships for in vitro oxime reactivation of chlorpyrifos-inhibited acetylcholinesterase
- Separation and characterization of products from thermal cracking of individual and mixed polyalkenes
- Mobility of important toxic analytes in urban dust and simulated air filters determined by sequential extraction and GFAAS/ICP-OES methods
- Effect of addition of ameliorative materials on the distribution of As, Cd, Pb, and Zn in extractable soil fractions
- Effect of gamma irradiation on trichromatic values of spices
- Homo- and heteronuclear complexes of a new, vicinal dioxime ligand
- Synthesis of new triphenodithiazine- and indolocarbazolediones of biological interest
- Dielectric relaxation of butyl acrylate—alcohol mixtures using time domain reflectometry
- Ab initio study of small coinage metal telluride clusters AunTem (n, m = 1, 2)
- Binding affinities and spectra of complexes formed by dehydrotetrapyrido[20]annulene and small molecules
- Comparison of spectrophotometric and HPLC methods for determination of lipid peroxidation products in rat brain tissues
- Enantioselective extraction of mandelic acid enantiomers by L-dipentyl tartrate and β-cyclodextrin as binary chiral selectors
- Mechanism of thermal decomposition of cobalt acetate tetrahydrate
- Three-component, one-pot synthesis of 3,4-dihydropyrimidin-2-(1H)-ones catalyzed by bromodimethylsulfonium bromide
