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To establish a method for identifying Fritillariae Cirrhosae Bulbus and its adulterant Fritillariae Ussuriensis Bulbus.
Chemometrics techniques were used for the analysis of the sample data from determination with Q TOF MS, and characteristic ion pairs were selected as m/z 578.3→164.14 and m/z 578.3→398.31 with triple quadrupole mass spectrometry applied, respectively. Then a specific approach was developed which used Waters Acquisition UPLC CSH (75 mm×2.1 mm, 1.7 μm) as column, and with acetonitrile and 0.1% formic acid solution as the mobile phase, and a flow rate of 0.4 mL·min-1. Two ion pairs: m/z 578.3→164.14 and m/z 578.3→398.31 were detected by triple quadrupole mass spectrometer with MRM mode.
The validation results through 108 batches of samples indicated that the two characteristic ion pairs, m/z 578.3→164.14 and m/z 578.3→398.31, could effectively distinguish between Fritillariae Cirrhosae Bulbus and its adulterant Fritillariae Ussuriensis Bulbus.
The method had good specificity and sensitivity, and could be used for the detection of adulterated Fritillariae Cirrhosae Bulbus with Fritillariae Ussuriensis Bulbus.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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