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result sql = Development and validation of a LC-MS/MS method for the simultaneous determination of aflatoxins, dyes and pesticides in spices.
Development and validation of a LC-MS/MS method for the simultaneous determination of aflatoxins, dyes and pesticides in spices.
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char = ;code = 32
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char = v;code = 118
char = e;code = 101
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char = f;code = 102
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char = ;code = 32
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char = 5;code = 53
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char = ;code = 32
char = k;code = 107
char = g;code = 103
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char = -;code = 45
char = 1;code = 49
char = );code = 41
char = .;code = 46
char = ;code = 32
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char = h;code = 104
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char = p;code = 112
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char = b;code = 98
char = i;code = 105
char = l;code = 108
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char = t;code = 116
char = y;code = 121
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char = f;code = 102
char = ;code = 32
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char = m;code = 109
char = e;code = 101
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char = h;code = 104
char = o;code = 111
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char = o;code = 111
char = r;code = 114
char = ;code = 32
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char = e;code = 101
char = ;code = 32
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char = l;code = 108
char = t;code = 116
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char = n;code = 110
char = e;code = 101
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char = u;code = 117
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
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char = i;code = 105
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char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = d;code = 100
char = y;code = 121
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char = ;code = 32
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char = a;code = 97
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char = o;code = 111
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char = s;code = 115
char = ;code = 32
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char = d;code = 100
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char = t;code = 116
char = i;code = 105
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = i;code = 105
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char = ;code = 32
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char = e;code = 101
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char = a;code = 97
char = l;code = 108
char = ;code = 32
char = t;code = 116
char = y;code = 121
char = p;code = 112
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
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char = a;code = 97
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
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char = ;code = 32
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char = d;code = 100
char = ;code = 32
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char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = c;code = 99
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = f;code = 102
char = u;code = 117
char = l;code = 108
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = l;code = 108
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = m;code = 109
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = b;code = 98
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = r;code = 114
char = k;code = 107
char = e;code = 101
char = t;code = 116
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
result sql = Based on several alerts from European countries over the last years concerning spices, we have been encouraged to establish an accurate method for the determination of dyes, aflatoxins and pesticides in various types of spices using reversed-phase (RP) liquid chromatography-tandem mass spectrometry interfaced with electrospray (LC-ESI-MS/MS). A simple sample treatment procedure entailing the use of an extraction step with acetonitrile without further cleanup has been developed. A C18 column with an aqueous ammonium formate/methanol mixture as the mobile phase was used, and gradient elution was performed. Mass spectral acquisition was done in positive ion mode by applying multiple reaction monitoring of at least two fragmentation transitions per compound to provide a high degree of selectivity. The method was in-house validated in terms of linearity, sensitivity, repeatability, recovery and selectivity on six kinds of spices. Satisfactory results in the majority of the cases were obtained for all analytes and matrices, with practical limits of quantitation acceptable for routine monitoring purposes. Extraction recoveries for most of the compounds ranged from 60% to 140% at spiking levels of 0.05 and 0.5 mg kg(-1). The applicability of the method for the simultaneous determination of dyes, aflatoxins and pesticides in several types of spices was demonstrated, and the method successfully applied to a limited number of products from the local market.

Publication: Anal Bioanal Chem 2010 May ;397(1)::93-107. :doi: 10.1007/s00216-010-3526-x.
Publication Date: 2010 May
Study Author(s): Ferrer Amate, C;Unterluggauer, H;Fischer, R J;Fernández-Alba, A R;Masselter, S;
Institution: Community Reference Laboratory (DG SANCO) for Residues of Pesticides in Fruits and Vegetables, Pesticide Residue Research Group, Department of Hydrogeology and Analytical Chemistry, University of Almería, 04120 La Cañada de San Urbano, Almería, Spain. [email protected]
Shortcut link to this study:
Based on several alerts from European countries over the last years concerning spices, we have been encouraged to establish an accurate method for the determination of dyes, aflatoxins and pesticides in various types of spices using reversed-phase (RP) liquid chromatography-tandem mass spectrometry interfaced with electrospray (LC-ESI-MS/MS). A simple sample treatment procedure entailing the use of an extraction step with acetonitrile without further cleanup has been developed. A C18 column with an aqueous ammonium formate/methanol mixture as the mobile phase was used, and gradient elution was performed. Mass spectral acquisition was done in positive ion mode by applying multiple reaction monitoring of at least two fragmentation transitions per compound to provide a high degree of selectivity. The method was in-house validated in terms of linearity, sensitivity, repeatability, recovery and selectivity on six kinds of spices. Satisfactory results in the majority of the cases were obtained for all analytes and matrices, with practical limits of quantitation acceptable for routine monitoring purposes. Extraction recoveries for most of the compounds ranged from 60% to 140% at spiking levels of 0.05 and 0.5 mg kg(-1). The applicability of the method for the simultaneous determination of dyes, aflatoxins and pesticides in several types of spices was demonstrated, and the method successfully applied to a limited number of products from the local market.
PMID: 20225064

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