OrganismsDiseasesAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureHumanitiesHealth Care
Food QualityScenedesmusDaphniaFoodZooplanktonFood ChainFood AnalysisFeeding BehaviorQuality of LifePopulation DynamicsFood SupplyQuality ControlQuality of Health CareQuality Assurance, Health CareFood PreferencesFood LabelingQuality Indicators, Health CareFood HabitsFood MicrobiologyFood IndustryFood HypersensitivityFood HandlingFood ContaminationHealth FoodFood SafetyFast FoodsFood DeprivationFood, FortifiedQuality Improvement

Nanostructured metal oxide gas sensors, a survey of applications carried out at SENSOR lab, Brescia (Italy) in the security and food quality fields. (25/67)

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Carbohydrate nutrition differs by diabetes status and is associated with dyslipidemia in Boston Puerto Rican adults without diabetes. (26/67)

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Bellagio report on healthy agriculture, healthy nutrition, healthy people. (27/67)

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Polymorphisms in FGFBP1 and FGFBP2 genes associated with carcass and meat quality traits in chickens. (28/67)

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Association of T1740C polymorphism of L-FABP with meat quality traits in Junmu No. 1 white swine. (29/67)

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Detection of SNPs in the cathepsin D gene and their association with yolk traits in chickens. (30/67)

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Effect of acid concentration and pulp properties on hydrolysis reactions of mercerized sisal. (31/67)

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Simultaneous analysis of guaiacol and vanillin in a vanilla extract by using high-performance liquid chromatography with electrochemical detection. (32/67)

We developed and validated a new high-performance liquid chromatographic analysis for electrochemically detecting guaiacol and vanillin as important components in vanilla extract. Separation was achieved with Capcell Pak C-18 MG, the potential of the working electrode being set at +1000 mV. The respective calibration curves for guaiacol and vanillin were linear in the range of 1.60-460 microg/L and 5.90-1180 microg/L. The respective limits for the quantities of guaiacol and vanillin were 1.60 microg/L and 2.36 microg/L. The related standard deviations of the intra- and inter-day precision of the retention time and peak area were all less than 4%. The recovery of guaiacol and vanillin was both more than 97%, all of the validation data being within an acceptable range. This analysis method is well suited for the simultaneous and convenient analysis of guaiacol and vanillin in a vanilla extract to evaluate the quality of the vanilla extract.  (+info)