搜索结果: 1-12 共查到“食品科学技术 infrared spectroscopy”相关记录12条 . 查询时间(0.062 秒)
Detection of adulteration in freshly squeezed orange juice by electronic nose and infrared spectroscopy
chemometrics discrimination spectral analysis
2016/7/6
The use of electronic nose and attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) as rapid tools for detection of orange juice adulteration has been preliminarily investig...
Chemometric classification of citrus juices of Moroccan cultivars by infrared spectroscopy
Fourier transform infrared Multivariate analysis cultivar classification Principal Component Analysis Partial Least Squares-Discriminant Analysis
2015/3/30
Fourier transform – infrared (FTIR) spectroscopy in connection with chemometric methodologies was used as a fast and direct analytical approach to classify citrus cultivars by the measurements on thei...
Determining Weight and Moisture Properties of Sound and Fusarium-Damaged Single Wheat Kernels by Near-Infrared Spectroscopy
Determining Weight Moisture Properties Sound and Fusarium-Damaged Single Wheat Kernels Near-Infrared Spectroscopy
2014/5/23
Single kernel moisture content (MC) is important in the measurement of other quality traits in single kernels because many traits are expressed on a dry weight basis. MC also affects viability, storag...
基于近红外光谱分析法的奶粉品质快速检测（Quick Determination Method of Milk Powder Quality by Near-infrared Spectroscopy）
奶粉 品质检测 近红外光谱
2009/8/11
选择11个品牌的10多种配方奶粉，共80个样品，使用PDA型近红外光谱仪采集奶粉漫反射光谱，波长范围1089～2219nm。对光谱进行了SNV、软阈小波消噪及一阶微分预处理，通过比较主成分在不同波长上的权重分布，选择不同波段建立校正模型和进行预测精度分析。结果表明，奶粉的蛋白质和脂肪的近红外光谱信息主要分布于1100～1400nm和1800～2200nm波段内，采用小波消除原始光谱的噪声能提高校正...
Simultaneous Determination of Moisture, Protein and Fat in Fish Meal Using Near-Infrared Spectroscopy
fish meal moisture protein
2009/7/8
The near-infrared (NIR) spectrum of fish meal was determined on a scanning spectrophotometer. The multiple linear regression (MLR) and partial least squares (PLS) regression were used for the calibrat...
Rapid Quantitative Analysis of the Major Components in Soymilk Using Fourier-Transform Infrared Spectroscopy（FT-IR）
FT-IR ATR soymilk
2009/6/18
Fourier-transform infrared spectroscopy (FT-IR) on attenuated total reflectance (ATR) sampling was used for the quantitative analysis of the major components (protein, lipid, and sugar) in soymilk. Si...
Visible and Near Infrared Spectroscopy for Rapid Analysis of the Sugar Composition of Raw Ume Juice
Visible and near infrared spectroscopy Ume juice Partial least squares regression
2009/5/20
Visible and near infrared spectroscopy was investigated as a method for rapid analysis of the sugar compositions of raw ume juice. In total, 314 raw ume juice samples were collected over a long growth...
Near Infrared Spectroscopy for Determination of the Protein Composition of Rice Flour
Near infrared reflectance spectroscopy Rice flour Protein composition
2009/5/8
Protein content and protein composition are considered very important factors in influencing the cooking and processing characteristics of rice. In the present study, the possibility of using near inf...
Near-Infrared Spectroscopy for Dairy Management: Measurement of Unhomogenized Milk Composition
unhomogenized milk composition nearinfrared spectroscopy
2008/3/31
The potential of near-infrared spectroscopy to measure fat, total protein, and lactose contents of unhomogenized milk was studied for use in dairy management, as a new tool for on-line milk analysis i...
Examination of Full Fat and Reduced Fat Cheddar Cheese During Ripening by Fourier Transform Infrared Spectroscopy
Fourier transform infrared spectroscopy Cheddar cheese ripening
2008/3/28
The Fourier transform infrared spectra of reduced fat Cheddar cheese and full fat Cheddar cheese during ripening were examined. A suitable sampling procedure was used to obtain the spectra of cheese s...
Analysis of Modified Whole Casein with Different PhosphorusContents Using Phosphorus-31 Nuclear Magnetic Resonance and Fourier Transform Infrared Spectroscopy
casein nuclear magnetic resonance phosphorylation
2008/3/28
The different types of P in modified caseins and the role of P in casein interactions were studied using 31P nuclear magnetic resonance spectroscopy of whole casein with reduced or elevated P concentr...
In this work, the major components (total solids, fat, protein, casein, urea nitrogen, lactose, and somatic cells) were determined in cow milk by near-infrared spectroscopy. Fifty calibration samples ...