Rapid Determination of Lignin Content of Straw Using Fourier Transform Mid-Infrared Spectroscopy

2011 ◽  
Vol 59 (2) ◽  
pp. 504-512 ◽  
Author(s):  
Yukihiro Tamaki ◽  
Giuseppe Mazza
Keyword(s):  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
Rapid Determination ◽  
Lignin Content ◽  
Mid Infrared ◽  
Mid Infrared Spectroscopy

A combination of near infrared and mid-infrared spectroscopy to improve the determination efficiency of active components in Radix Astragali

2019 ◽  
Vol 28 (1) ◽  
pp. 10-17
Author(s):  
Xuesong Liu ◽  
Siyu Zhang ◽  
Leting Si ◽  
Zhonglin Lin ◽  
Chunyan Wu ◽  
...  
Keyword(s):  
Infrared Spectroscopy ◽  
Near Infrared ◽  
Rapid Determination ◽  
Radix Astragali ◽  
Astragaloside Iv ◽  
Active Components ◽  
Mid Infrared ◽  
Mid Infrared Spectroscopy ◽  
Analysis Models

Radix Astragali is a popular herbal medicine in the pharmaceutical industry, and many studies have confirmed its significant medical value. The objective of this study was to achieve rapid determination of the main active components (astragaloside IV and total astragalosides) in Radix Astragali using near infrared spectroscopy, mid-infrared spectroscopy, and a combination of them. Partial least squares regression was applied to establish quantitative calibration analysis models. According to the prediction results, the combined near infrared and mid-infrared spectroscopy performed better than near infrared and mid-infrared models individually. The determination coefficient and root mean square error of prediction of astragaloside IV and total astragalosides were 0.998, 0.025 and 0.998, 0.098, respectively. It can be concluded that quantitative analysis models constructed by combined near infrared and mid-infrared spectroscopy had superior performance and could be used for rapid determination of main active components in Radix Astragali.

Determination of C22:5 and C22:6 marine fatty acids in pork fat with Fourier transform mid-infrared spectroscopy

Meat Science ◽  
2005 ◽  
Vol 69 (3) ◽  
pp. 433-440 ◽  
Author(s):  
Audun Flåtten ◽  
Eli A. Bryhni ◽  
Achim Kohler ◽  
Bjørg Egelandsdal ◽  
Tomas Isaksson
Keyword(s):  
Fatty Acids ◽  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
Mid Infrared ◽  
Mid Infrared Spectroscopy ◽  
Pork Fat

Mid-infrared spectroscopy as a tool for rapid determination of internal quality parameters in tomato

2011 ◽  
Vol 125 (4) ◽  
pp. 1390-1397 ◽  
Author(s):  
Iwona Ścibisz ◽  
Maryse Reich ◽  
Sylvie Bureau ◽  
Barbara Gouble ◽  
Mathilde Causse ◽  
...  
Keyword(s):  
Infrared Spectroscopy ◽  
Rapid Determination ◽  
Quality Parameters ◽  
Internal Quality ◽  
Mid Infrared ◽  
Mid Infrared Spectroscopy
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