搜索结果: 1-13 共查到“食品科学技术 near-infrared”相关记录13条 . 查询时间(0.076 秒)
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...
Determination of Apparent Amylose Content in Japanese Milled Rice Using Near-Infrared Transmittance Spectroscopy
japonica amylose near infrared transmittance
2009/7/7
The objective of the present study was to develop a method to analyze apparent amylose content (AAC) of Japanese milled rices using near-infrared transmittance spectroscopy (NIT). Samples (n=110, vari...
Determination of Maximum Viscosity of Milled Rice Flours Using Near-Infrared Transmittance Spectroscopy
japonica amylose pasting properties maximum viscosity
2009/6/18
The objective of this study was to develop a partial least squares regression (PLS) calibration method of maximum viscosity determination of Japanese milled rice flours using near-infrared transmittan...
Application of Visible/Near-Infrared Transmittance Spectroscopy for the Improvement of Amylose Determination Accuracy
partial least squares (PLS) regression coefficients japonica
2009/6/17
The performance of partial least squares (PLS) calibration models developed using NIR and visible transmittance were examined in order to improve the accuracy of the calibration model for amylose cont...
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...
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 ...
Classification of High Acid Satsuma Mandarins by Near Infrared Transmittance Spectroscopy
citric acid NIR transmittance spectroscopy PLS
2010/11/23
On-line measurement of sugar content in satsuma mandarins was already achieved using NIR transmittance spectroscopy. The feasibility of simultaneous measurement of citric acid content was investigated...
Near Infrared Spectra of the Outer Layer of Flour of Stored Milled Rice
milled rice near infrared spectroscopy storage
2010/11/23
Near infrared (NIR) diffuse reflectance spectrophotometry was applied to measure stored milled rice by focusing on the outer layer flour. Rice grains milled 90% were stored at 37°C and 75% humidity fo...
Determination of Palmitic Acid, Oleic Acid and Linoleic Acid by Near-Infrared Transflectance Spectroscopy in Edible Oils
near-infrared spectroscopy nondestructive analysis fatty acids
2010/11/22
Near-infrared (NIR) transflectance spectroscopy scanning from 1100 nm to 2500 nm was applied for the determination of palmitic acid (C16:0), oleic acid (C18:1) and linoleic acid (C18:2), the major fat...