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To develop a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for quantifying 16 bioactive constituents of Gardenia jasminoides Eills in various murine tissues.
The ileum, colon, stomach, liver, kidney and brain tissues of mice were collected following intragastric administration of Gardenia jasminoides Ellis. Subsequently, the samples were processed by precipitating protein. The analysis was performed using the Waters CORTECS C18 column (4.6 mm×150.0 mm, 2.7 μm) with mobile phase gradient elution consisting of a methanol-water solution, and specnuezhenide was used as the internal standard; the flow rate was set at 0.4 mL·min-1 while maintaining a column temperature of 40 ℃; detection was performed in negative ion mode utilizing an electrospray ion source. Furthermore, the method was evaluated for its specificity, standard curve and lower limit of quantification, precision and recovery, stability and reproducibility. Additionally, the tissue distribution characteristics of the active components of Gardenia jasminoides Ellis in mice were investigated.
This study established a method for the analysis of 16 bioactive constituents in Gardenia jasminoides Ellis within complex matrices. The linear range spanned from 0.98 to 6.00×104 ng·mL-1, with a limit of quantitation ranging from 0.92 to 11.72 ng·mL-1, and the RSD values for intra-day and inter-day precision as well as recovery were all below 15%. Amongst the examined tissues, ileum tissue exhibited the highest levels of these active components, followed by gastric tissue. Iridoid components demonstrated extensive distribution across various tissues. The diterpenoid constituent crocetin was predominantly found in the liver and brain, while crocin Ⅱ showed higher distribution in the colon.
The method exhibits high specificity, excellent sensitivity, reproducibility, and stability. Moreover, the matrix effect can be controlled effectively, rendering it suitable for analyzing Gardenia jasminoides Ellis in complex matrices. The intestine is the major tissue for the distribution of Gardenia jasminoides Ellis, which may be an important part for its efficacy. Furthermore, the extensive pharmacological effects of Gardenia jasminoides Ellis may be related to the component tendency to different tissues.
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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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