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Analysis of Differentiated Chemical Components between Zijuan Purple Tea and Yunkang Green Tea by UHPLC–Orbitrap–MS/MS Combined with Chemometrics
紫卷茶 UHPLC 云康绿茶 特征代谢物
2023/4/19
Zijuan tea (Camellia sinensis var. assamica cv. Zijuan) is a unique purple tea. Recently, purple tea has drawn much attention for its special flavor and health benefits. However, the characteristic co...
Chemometrics applied to the discrimination of synthetic fibers by microspectrophotometry
chemometrics dye loading textile fibers multivariate statistics polyester acrylic
2015/5/21
Microspectrophotometry is a quick, accurate, and reproducible method to compare colored fibers for forensic purposes. The use of chemometric techniques applied to spectroscopic data can provide valuab...
Characterisation of hop varieties grown in Romania based on their contents of bitter acids by HPLC in combination with chemometrics approach
α-acids β-acids Romanian hop cultivars Humulus lupulus principal component analysis
2015/3/30
Reverse-phase high performance liquid chromatography technique was used for studying the evolution of bitter acids from three varieties of hop growing in Romania during the development of hop cones an...
The Employment of FTIR Spectroscopy and Chemometrics for Classification and Quantification of Mutton Fat in Cod Liver Oil
Spectroscopy and Chemometrics Classification
2016/6/1
In pharmaceutical field, Cod Liver Oil (CLO) is one of the potential sources of long chain omega-3 fatty acids and fat soluble vitamins, especially vitamin A. In the fats and oils industry, CLO has hi...
Analysis of Iodine Absorption Curve of Starch by Chemometrics to Evaluate the Eating Quality of Rice
Amylose Amylopectin Auto-Analyzer Rice Consistency λmax
2009/7/7
The amylose content of milled rice is usually determined colorimetrically by the iodine test. An automatic analyzer was developed to obtain the iodine absorption spectrum ranging from 400 to 900 nm. T...
Fluorescence spectroscopy and chemometrics in the food classification − a review
chemometrics fluorescence spectroscopy food analysis
2014/3/4
This review deals with the last few years’ articles on various fluorescence techniques (conventional, excitation-emission matrix, and synchronous fluorescence spectroscopy) as a tool for the classific...
Chemometrics Pattern Recognition and Calibration Techniques Applied to Volatile Components and Sensory Quality of Kenyan Black Teas
black tea aroma chemometrics pattern recognition PLS
2010/11/22
Multivariate analysis was applied to 35 volatile components and sensory scores of 16 Kenyan black teas made of tea leaves of two clones cultivated at eight areas. Although profiles of volatile compone...