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Journal of Analytical Methods in Chemistry
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Journal of Analytical Methods in Chemistry
/
2020
/
Article
/
Tab 1
/
Research Article
Discrimination of
Salvia miltiorrhiza
Bunge from Different Geographical Locations Employing High-Performance Liquid Chromatography, Near-Infrared Fingerprinting Combined with Chemometrics
Table 1
Orthogonal experiment for
S. miltiorrhiza
extraction.
The serial number
Solvent
Time (min)
Method
1
50% methanol
40
Ultrasound-assisted extraction
2
50% methanol
50
Soxhlet extraction
3
50% methanol
60
Soak at room temperature
4
Dilute alcohol
40
Soxhlet extraction
5
Dilute alcohol
50
Soak at room temperature
6
Dilute alcohol
60
Ultrasound-assisted extraction
7
70% methanol
40
Soak at room temperature
8
70% methanol
50
Ultrasound-assisted extraction
9
70% methanol
60
Soxhlet extraction