Method for detecting traditional Chinese medicine composition for tonifying qi and tonifying kidney
A technology of invigorating qi and invigorating kidney and detection method, applied in the field of medicine, can solve the problems of cumbersome operation, falsification of added ingredients, single detection and so on
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Embodiment 1
[0126] (1) Chromatographic conditions and system suitability test: using octadecylsilane bonded silica gel as filler; acetonitrile-methanol with a volume ratio of 95:5 as mobile phase A, and 0.8% acetic acid solution as mobile phase B, Carry out gradient elution according to Table 1; the detection wavelength is 210nm; the flow rate is 1ml / min; the column temperature is 35°C; the number of theoretical plates should not be less than 5000 based on the hesperidin peak;
[0127] (2) Preparation of reference solution: take hesperidin and icariin reference substances respectively, accurately weigh them, add 70% methanol to prepare a mixed solution containing 30 μg of hesperidin and 20 μg of icariin per 1 ml, instant;
[0128] (3) preparation of need testing solution: get oral liquid sample 10ml and put in 100ml volumetric flask, add 70% methanol and dilute to scale, shake up, filter, get the filtrate, to obtain final product;
[0129] (4) Determination method: Precisely draw 20 μl e...
Embodiment 2
[0131] (1) Chromatographic conditions and system suitability test: use octadecylsilane bonded silica gel as filler; use acetonitrile as mobile phase A, use 0.5% acetic acid solution as mobile phase B, carry out gradient elution according to Table 1; detect The wavelength is 270nm; the flow rate is 0.6ml / min; the column temperature is 30°C; the number of theoretical plates should not be less than 5000 based on the hesperidin peak;
[0132] (2) Preparation of reference solution: take hesperidin and icariin reference substances respectively, accurately weigh them, add 70% methanol to prepare a mixed solution containing 30 μg of hesperidin and 20 μg of icariin per 1 ml, instant;
[0133] (3) preparation of need testing solution: get oral liquid sample 10ml and put in 100ml volumetric flask, add 70% methanol and dilute to scale, shake up, filter, get the filtrate, to obtain final product;
[0134] (4) Determination method: Precisely draw 20 μl each of the reference substance solut...
Embodiment 3
[0136] (1) Chromatographic conditions and system suitability test: use octadecylsilane bonded silica gel as filler; use methanol as mobile phase A, use 0.3% acetic acid solution as mobile phase B, carry out gradient elution according to Table 1; detect The wavelength is 350nm; the flow rate is 0.5ml / min; the column temperature is 25°C; the number of theoretical plates calculated based on the hesperidin peak should not be less than 5000;
[0137] (2) Preparation of reference solution: take hesperidin and icariin reference substances respectively, accurately weigh them, add 70% methanol to prepare a mixed solution containing 30 μg of hesperidin and 20 μg of icariin per 1 ml, instant;
[0138] (3) preparation of need testing solution: get oral liquid sample 10ml and put in 100ml volumetric flask, add 70% methanol and dilute to scale, shake up, filter, get the filtrate, to obtain final product;
[0139] (4) Determination method: Precisely draw 20 μl each of the reference substanc...
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