ResourceSpectroscopy
Non-Destructive Measurements of Internal Quality Indicators for Seedless Grapes, Vitis Vinifera
24 Sept 2017Sugar content is an important metric in determining proper harvest time in grapes and eating quality. To determine effectiveness and viability of the F-750 Produce Quality Meter, in measuring internal sugar content, a study was carried out sampling 270 seedless grapes. Measured values were correlated with the spectral data, and results show that the F-750 Produce Quality Meter precisely and non-destructively measures total soluble solids, with a calculated root mean square error of validation of 0.59 TSS.
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F-750 Produce Quality Meter (from Felix Instruments)
Felix InstrumentsThe F-750 Handheld Brix & Dry Matter Meter uses near-infrared (NIR) spectroscopy to estimate quality metrics such as dry matter, Total Soluble Solids (TSS or brix), titratable acidity, and color.
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Infrared / IR SpectroscopyInfrared (IR) spectroscopy measures the interaction of infrared light with a sample, including transmission, reflectance & absorbance, facilitating the identification of analytes. Equipment used for quantitative analysis includes Fourier-transform infrared (FTIR) spectrometers, infrared cameras, FTIR gas analyzers, as well as attenuated total reflectance (ATR) accessories and pellet or film presses. Find the best IR spectroscopy products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Near Infrared SpectroscopyNear-infrared (NIR) spectroscopy measures the interaction of near-infrared light with a sample, including transmission, reflectance and absorbance, facilitating the identification of analytes. Measurements can be conducted using a Fourier-transform near infrared (FT-NIR) spectrometer, while there are also UV-Vis- NIR spectrophotometers that measure a broader spectrum of wavelengths. Find the best NIR spectroscopy products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Food and Beverage AnalyzersFood and Beverage Analyzers are commonly used to provide information about the chemical composition, structure and physical properties of food materials.Quality ControlQuality control is needed in all production processes. Quality control is a monitoring procedure or set of procedures that are put in place to ensure that a manufactured product adheres to a defined set of quality criteria. Food TestingFood testing refers to a variety experiments including PCR, mass spectrometry, processing, QuEChERS, analyzing and Kjeldahl.NIRSFood QualityFood quality refers to the attributes of food that influence its safety, nutrition, and taste. Monitoring and ensuring food quality are essential in production to meet health regulations and consumer expectations. Techniques like spectroscopy, chromatography, and microbial testing are used to assess food properties and detect contaminants. Browse our peer-reviewed product directory to find food quality testing solutions; compare products, check reviews, and get pricing directly from manufacturers.