ライフサイエンスコーパス: ochratoxin

1 omolar detection limits for the detection of ochratoxin A (1 nM) in red wine samples, as well as coca

2 Furthermore, ochratoxin A (25%) was the most predominant in samples f

3 rmitted the quantification of adenosine (A), ochratoxin A (O), and tyrosinamide (T) under the same op

4 Among the natural micropollutants, ochratoxin A (OTA) and deoxynivalenol (DON) are widely d

5 oxicity and DNA damage induced by mycotoxins ochratoxin A (OTA) and fumonisin B1 (FB1).

6 e of aflatoxins (AFB1, AFG1, AFB2 and AFG2), ochratoxin A (OTA) and zearalenone (ZEA).

7 us (PO) was tested for the detoxification of ochratoxin A (OTA) and zearalenone (ZEN) through in vitr

8 Aflatoxins (AFs), ochratoxin A (OTA) and zearalenone (ZEN) were analysed i

9 bstrate for ultrasensitive quantification of ochratoxin A (OTA) as a case study.

10 platform was then highlighted utilizing the ochratoxin A (OTA) binding aptamer (OTABA) that folds in

11 Thirty one percent of flour samples had Ochratoxin A (OTA) concentrations above the MCL (3 ug/kg

12 methodology was developed for evaluation of ochratoxin A (OTA) contamination in pork.

13 In this article, a novel aptasensor for ochratoxin A (OTA) detection based on a screen-printed c

14 k, we propose for the first time a sensitive Ochratoxin A (OTA) detection in cocoa beans using compet

15 of-flight mass spectrometry (LC-QTOF-MS) for ochratoxin A (OTA) determination in wine is evaluated fo

16 5-ADON), de-epoxy-deoxynivalenol (DOM-1) and ochratoxin A (OTA) during thermal processing has been st

17 A QuEChERS method for the extraction of ochratoxin A (OTA) from bread samples was evaluated.

18 r the determination of low concentrations of Ochratoxin A (OTA) has been developed.

19 roof-of-concept, the widely used aptamer for ochratoxin A (OTA) has been selected as a model.

20 Ochratoxin A (OTA) has harmful effects to human and anim

21 (DON), HT-2 toxin (HT2), T-2 toxin (T2), and ochratoxin A (OTA) in bee products (bee pollen, propolis

22 ) has been proposed for the determination of ochratoxin A (OTA) in wine samples.

23 hase extraction method for quantification of ochratoxin A (OTA) in wine.

24 In this study, the ochratoxin A (OTA) interaction with some metal cations e

25 bular transport of the fluorescent mycotoxin ochratoxin A (OTA) into single proximal tubule segments

26 Ochratoxin A (OTA) is a fungal metabolite and putative c

27 Ochratoxin A (OTA) is a mycotoxin frequently encountered

28 Ochratoxin A (OTA) is a nephrotoxin produced by many spe

29 Ochratoxin A (OTA) is a nephrotoxin that contaminates gr

30 are strongly demanded in food analysis since Ochratoxin A (OTA) is a widely diffused food contaminant

31 Ochratoxin A (OTA) is a widely spread nephrotoxic food c

32 Ochratoxin A (OTA) is a widespread and abundant natural

33 Ochratoxin A (OTA) is one of the main mycotoxins that ca

34 Ochratoxin A (OTA) is one of the most widespread and dan

35 Ochratoxin A (OTA) is one of the most widespread mycotox

36 label free immunosensor for the detection of Ochratoxin A (OTA) is reported.

37 Total aflatoxins (AFT) and ochratoxin A (OTA) levels were estimated using the VICAM

38 carried out on caciocavallo inoculated with ochratoxin A (OTA) non-producing species and artificiall

39 rent knowledge about aflatoxin B1 (AFB1) and ochratoxin A (OTA) toxicity and the possible beneficial

40 f this study was to determine the content of ochratoxin A (OTA) using high-performance liquid chromat

41 A specifically designed aptamer against ochratoxin A (OTA) was used as a recognition element, wh

42 In present study aflatoxins (AFs) and ochratoxin A (OTA) were analysed in 208 samples of rice

43 bioassay for the detection and monitoring of Ochratoxin A (OTA), a natural carcinogenic mycotoxin pro

44 In the presence of target molecules, such as ochratoxin A (OTA), adenosine triphosphate (ATP), or thr

45 creasingly relevant as these toxins, such as ochratoxin A (OTA), aflatoxin B1 (AFB1) and deoxynivalen

46 the simultaneous detection of the mycotoxins ochratoxin A (OTA), aflatoxin B1 (AFB1) and deoxynivalen

47 bioavailability of mycotoxins, specifically ochratoxin A (OTA), aflatoxin B1 (AFB1), and zearalenone

48 enables sensitive and selective detection of ochratoxin A (OTA), chosen here as a model target, with

49 sed in recent years due to contaminants like Ochratoxin A (OTA), histamine, and pesticides, which res

50 of Aspergillus ochraceus, a mold producer of ochratoxin A (OTA), in order to investigate the cell dam

51 rtheless, most conventional immunoassays for ochratoxin A (OTA), including commercial kits, show limi

52 The low molecular weight hapten, Ochratoxin A (OTA), is a natural carcinogenic mycotoxin

53 The treatment of Ochratoxin A (OTA), present in many agricultural commodi

54 nic, carcinogenic, and immunotoxic nature of ochratoxin A (OTA), selective and sensitive monitoring o

55 in the presence of Aflatoxin b1 (AFL b1) and Ochratoxin A (OTA), that frequently co-exist with citrin

56 on of one of the most hazardous mycotoxins - ochratoxin A (OTA), which is widely present in food and

57 idative stress and apoptosis are involved in Ochratoxin A (OTA)-induced renal cytotoxicity.

58 sensor for the detection and quantitation of ochratoxin A (OTA).

59 zed aptamer for the agricultural contaminant ochratoxin A (OTA).

60 taneous detection of aflatoxin B1 (AFB1) and ochratoxin A (OTA).

61 te of aptamers for the small molecule target ochratoxin A (OTA).

62 cotoxin contaminating feed and foodstuffs is Ochratoxin A (OTA).

63 Ochratoxin A analyses were performed with immunoaffinity

64 barley grains from A. flavus, A. niger, and ochratoxin A and aflatoxin B1 contamination, during stor

65 als, and conducted selectivity studies using ochratoxin A and aflatoxin M1 (a metabolite of aflatoxin

66 odies showed imprinting efficiencies against ochratoxin A and aflatoxin M1 of 1.84 and 26.39, respect

67 Syrian samples were mainly contaminated with ochratoxin A and aflatoxins, whereas Italian samples wit

68 ndwich formats showed high sensitivities for ochratoxin A and alpha-fetoprotein in real corn and undi

69 The concentrations of ochratoxin A and biogenic amines were far below the heal

70 deriving from treatments in the vineyard, or ochratoxin A and biogenic amines.

71 tor, whereas Yrr1 and Stb5 are selective for ochratoxin A and hydrogen peroxide, respectively.

72 our mycotoxins (deoxynivalenol, alternariol, ochratoxin A and zearalenone) in edible vegetable oils.

73 % 15-acetyl-deoxynivalenol, aflatoxin B(1), ochratoxin A and zearalenone), and rice (67 % deoxynival

74 etyldeoxynivalenol, 15-acetyldeoxynivalenol, ochratoxin A and zearalenone- in plant-based beverages a

75 Ochratoxin A became a public health concern being one of

76 nt differences in the content of sulphite or ochratoxin A between org and conv wines.

77 f major matrix components on the recovery of ochratoxin A by QuEChERS method using HPTLC and HPLC, an

78 t net secretion is the primary mechanism for ochratoxin A clearance by the proximal tubule.

79 ignal amplification for the detection of low ochratoxin A concentrations was defined.

80 trolling Aspergillus-caused aflatoxin B1 and ochratoxin A contamination in cereals, particularly in b

81 Concerning the natural ochratoxin A contamination in cocoa by-products, the hig

82 Since ochratoxin A could be present in different food commodit

83 TLC and HPLC, and to validate the method for ochratoxin A determination in wheat flour by HPLC.

84 cake and cocoa powder) and the reduction of ochratoxin A during chocolate manufacture.

85 , octanoate, and alpha-ketoglutarate reduced ochratoxin A excretion to the same degree as PAH, wherea

86 valuate the effect of cereals composition on ochratoxin A extraction by multivariate analysis.

87 The kinetic analysis of ochratoxin A flux revealed secretion to be a saturable a

88 ChERS method was standardized for extracting ochratoxin A from flour using 1% ACN:water (2:1) as extr

89 l population, there is a risk of exposure to ochratoxin A from food, which justifies the need to moni

90 will help with fast on-site determination of ochratoxin A from milk and wine in supermarkets, prevent

91 ried out to assess the natural occurrence of ochratoxin A in 168 samples from different fractions obt

92 as applied to evaluate natural occurrence of ochratoxin A in 20 wheat flour samples, which were conta

93 For the determination of ochratoxin A in food, high performance liquid chromatogr

94 ontents of pesticides, metals, sulphites and ochratoxin A in organically (org) and conventionally (co

95 observations indicate that the secretion of ochratoxin A in primary cultures of rabbit renal proxima

96 metry has been used for the determination of ochratoxin A in red wine samples.

97 ed when applied for on-site determination of ochratoxin A in wine and milk.

98 The basal-to-apical flux of ochratoxin A increased with time and reached a steady st

99 smonic based optical biosensor prototype for ochratoxin A is described.

100 Therefore, an on-site monitoring of ochratoxin A is proposed based on sensing strips.

101 Biomonitoring of ochratoxin A is very important.

102 flour samples, which were contaminated with ochratoxin A levels in the range of 0.22-0.85 mug kg(-1)

103 The majority of ochratoxin A positive wines were from conv wine producer

104 , this experiment demonstrated that 93.6% of ochratoxin A present in the beans was reduced during the

105 Fungal contamination and ochratoxin A production were significantly controlled by

106 The ochratoxin A recovery in these matrices was highly influ

107 ceptible to mycotoxin contaminations, so the Ochratoxin A residues were also investigated; a reductio

108 substrate para-aminohippurate (PAH) reduced ochratoxin A secretion by approximately 75%.

109 The kinetic analysis of PAH inhibition of ochratoxin A secretion revealed an IC50 of 195 mM, which

110 o acid phenylalanine had a minimal effect on ochratoxin A secretion.

111 ter was the least contaminated, showing that ochratoxin A seems to remain in the defatted cocoa solid

112 o the IC50 for PAH inhibition of peritubular ochratoxin A uptake in tubule suspensions and the Km, va

113 ning other toxins including aflatoxin G1 and ochratoxin A was also examined.

114 The secretory flux of ochratoxin A was as much as eightfold greater than the r

115 Transport of ochratoxin A was ATP-dependent but was neither mediated

116 The ochratoxin A was detected in three samples at concentrat

117 In one of the analyzed rye flour samples ochratoxin A was determined at level 19.5 mug/kg, where

118 The ability of such peptides to bind to ochratoxin A was evaluated by HPLC.

119 apical-to-basal flux, i.e., reabsorption, of ochratoxin A was minimal over time.

120 nd total Aflatoxin and Aflatoxin B1; whereas Ochratoxin A was related to Cu and Zn concentrations usi

121 p-aminohippurate (PAH), estrone sulfate, and ochratoxin A were approximately 10-, approximately 48-,

122 in cocoa by-products, the highest levels of ochratoxin A were found in the shell, cocoa powder and c

123 h the mean concentrations of zearalenone and ochratoxin A were higher in conventional than in organic

124 Aflatoxins and ochratoxin A were not detected in any of the flours.

125 AFM(1), FB(1), and ochratoxin A were quantified in urine samples at relativ

126 ble device, the sensing strips can determine ochratoxin A with high sensitivity (4.29 x 10(9) s(-1) g

127 ycotoxins (aflatoxins B1, B2, G1 and G2, and ochratoxin A) were also determined.

128 alenone), a (13)C-labeled compound ((13)C(6)-ochratoxin A), and an octapeptide (angiotensin II).

129 against similar mycotoxins (zearalenone and ochratoxin A).

130 etyl-deoxynivalenol and aflatoxin B(1), 13 % ochratoxin A, and 6 % zearalenone), cashew nut (78 % deo

131 As a proof of concept, aflatoxins, ochratoxin A, and deoxynivalenol were extracted from cer

132 Mycotoxins, such as aflatoxins and ochratoxin A, are presently considered as the most impor

133 to effectively identify total aflatoxins and ochratoxin A, at low concentrations (3 ng/mL and less th

134 The detection of legislated (aflatoxins, ochratoxin A, deoxynivalenol, fumonisin B1, zearalanone,

135 presence of 22 mycotoxins (four aflatoxins, ochratoxin A, diacetoxiscyrpenol (DAS), three fumonisins

136 hod for the determination of ten mycotoxins (ochratoxin A, fumonisin B1, fumonisin B2, deoxynivalenol

137 en mycotoxins (aflatoxins B1, B2, G2 and G1, ochratoxin A, fumonisins B1 and B2) in beers.

138 1, aflatoxin B2, aflatoxin G1, aflatoxin G2, ochratoxin A, lead, cadmium, mercury, arsenic, copper, z

139 -MS/MS) for the quantification of mycotoxin (Ochratoxin A, OT-A) in coffee and tea samples.

140 ed light from Au/UCNP via FRET after target (ochratoxin A, OTA) detection.

141 1, aflatoxin B2, aflatoxin G1, aflatoxin G2, ochratoxin A, T-2 toxin and zearalenone, were found in t

142 it of 0.4 ng/mL) and small molecular toxins (Ochratoxin A, with a detection limit of 6.8 ng/mL), resp

143 he simultaneous determination of aflatoxins, ochratoxin A, zearalenone, deoxynivalenol, fumonisins, T

144 acid over the ubiquitous mycotoxin known as ochratoxin A.

145 elial transport of the nephrotoxic mycotoxin ochratoxin A.

146 roducing and contaminating these fruits with ochratoxin A.

147 apacity to produce toxic metabolites such as ochratoxin A.

148 st 22% of the samples were contaminated with ochratoxin A.

149 e synthesis of O-methylmellein, mellein, and ochratoxin A.

150 ) followed by aflatoxin B1, aflatoxin G1 and ochratoxin A.

151 hus confirming its specific interaction with ochratoxin A.

152 ecognized as safe (aflatoxin B(1): 2 mug/kg, ochratoxin A: 3 mug/kg, deoxynivalenol: 500 mug/kg) afte

153 0.14ng/mL for aflatoxins M1, B1, B2, G1, G2, ochratoxins A and B, HT-2 and T-2 toxins, deepoxy-deoxyn

154 ated by the development of an aptasensor for ochratoxin (A).

155 hed reports related to measuring mycotoxins (ochratoxins, aflatoxins, and fumonisins) using DBS/DSS a

156 Two metabolites, ochratoxin alpha and ochratoxin B, were identified, sugg

157 Ochratoxin alpha was detected in the chromatograms after

158 nd A. flavus and inhibited the production of ochratoxin and aflatoxin-B2.

159 d were between 0.2ngL(-1) for aflatoxins and ochratoxin, and 2.0ngL(-1) for fumonisins and neosolanio

160 Two metabolites, ochratoxin alpha and ochratoxin B, were identified, suggesting that biodegrad

161 ilk, such as fumonisins, sterigmatocystin or ochratoxin B.

162 By analyzing an ochratoxin-binding DNA aptamer and six of its mutants, w

163 Easy, sensitive, rapid and low cost ochratoxin biosensors are strongly demanded in food anal

164 ion, (b)CO(2) respiration rates (RR), and (c)ochratoxins concentrations in stored wheat was investiga

165 sensing a target molecule such as ATP, HIV, ochratoxin, potassium ions, and thrombin can be develope

166 y members of Aspergillus section Circumdati, ochratoxin was not detected in filtrates of cultures gro

167 96 samples were analysed for ochratoxins with LCMS-MS.