Method of controlling the quality of salvia miltiorrhiza raw material fingerprint in the plant medicine for improving hemorheology
A quality control method and fingerprint technology, applied in the field of quality control of salvia miltiorrhiza raw materials, can solve few problems such as quality control of traditional Chinese medicinal materials
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[0048] Accurately weigh about 1.0 g of Salvia miltiorrhiza medicinal material powder (passed through a No. 3 sieve), add 100 ml of 50% methanol, accurately weigh, extract with microwave for 70 minutes, cool, and weigh for additional weight. Shake well, filter with a 0.45 μm microporous membrane, and take the subsequent filtrate for HPLC fingerprint analysis.
[0049] Chromatographic column: Alltima C18 column (4.6mm×250mm, 5μm) of Alltech Company, column temperature 20°C, detection wavelength 280nm, flow rate 1.0ml / min, injection volume 20μl. The samples were eluted using a gradient, and the mobile phase and gradient settings are shown in Table 1.
[0050] time (min)
A(0.4% formic acid) / %
B(acetonitrile) / %
0
40
50
70
90
63
18
15
10
37
82
85
[0051] By calculating the similarity of ten batches of Danshen medicinal materials, it was found that the similarity of medicinal materials was ...
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