基础研究
Copyright ©The Author(s) 2017.
世界华人消化杂志. 2017-12-18; 25(35): 3123-3132
在线出版 2017-12-18. doi: 10.11569/wcjd.v25.i35.3123
表1 儿茶素、表儿茶素、原花青素B1、原花青素B2和内标的MRM检测参数
待测化合物分子量子离子/母离子碰撞能量(V)S-Lens
儿茶素290.0289.0→245.014137.1
表儿茶素290.1289.1→245.112106.5
原花青素B1578.1577.1→289.124108.6
原花青素B2578.1577.1→425.116145.7
莨菪亭(内标)192.2191.2→176.022127.5
表2 儿茶素、表儿茶素、原花青素B1、原花青素B2在小鼠血浆中的精密度与准确度
成分标示浓度(ng/mL)批间(n = 18)
批内(n = 6)
测得浓度(ng/mL)准确度(%)精密度(%)测得浓度(ng/mL)准确度(%)精密度(%)
儿茶素49.50101.16±2.82102.182.7898.52±4.1899.524.23
892.00378.78±21.3895.602.82775.28±29.7497.813.84
4.564.46±0.3897.818.384.64±0.38101.757.98
表儿茶素45.7047.24±2.78103.372.9446.99±1.05102.882.24
729.60741.32±15.40101.612.08730.40±29.05100.153.99
4.854.70±0.1097.112.184.78±0.2098.764.07
原花青素B148.5049.35±1.13101.752.2948.82±1.08100.662.22
776.0750.15±23.0596.673.08761.24±22.3298.102.93
9.8610.31±0.21104.562.0110.17±0.28103.142.73
原花青素B2197.50200.89±11.63101.725.79201.98±8.48102.274.20
1580.001589.91±54.67100.633.441575.59±44.4499.722.82
5.004.92±0.3898.407.695.08±034101.606.65
表3 儿茶素、表儿茶素、原花青素B1、原花青素B2在小鼠血浆中的稳定性考察 (n = 6)
成分质控浓度(ng/mL)-20 ℃ 15 d
反复冻融3次
4 ℃自动进样器24 h
测定浓度(ng/mL)准确度(%)测定浓度(ng/mL)准确度(%)测定浓度(ng/mL)准确度(%)
儿茶素49.5050.47±1.19101.9648.15±0.30104.8851.62±2.45104.28
792.0078434±38.6099.16817.59±15.94103.23775.12±7.8497.87
4.564.62±0.37101.324.63±0.22104.684.11±0.2890.18
表儿茶素45.7048.56±1.15106.2647.45±0.44105.3648.67±1.01106.50
729.60713.64±5.5897.81820.30±21.7895.17708.74±5.2497.13
4.854.60±0.1895.044.63±0.4095.574.82±0.3999.70
原花青素B148.5047.59±0.9598.1247.45±3.9697.8446.38±0.5095.63
776.0797.50±7.51102.77820.30±41.38105.71812.70±17.65104.73
9.869.58±0.2897.1210.22±0.91103.6710.13±0.30102.73
原花青素B2197.50186.36±2.8894.36212.08±12.38107.36214.47±3.44108.59
1580.01572.6±33.499.531646.0±52.4104.181604.1±64.0101.52
5.005.08±0.30101.604.78±0.06105.612.56±0.15102.42
表4 正常小鼠及DSS诱导的溃疡性结肠炎小鼠灌胃金荞麦提取物(2.28 g/kg)后主要活性成分在肝、空肠、结肠组织中的分布 (mean±SD, n = 6)
化合物时间(h)肝(ng/g)
空肠(µg/g)
结肠(µg/g)
正常模型正常模型正常模型
儿茶素124.57±8.2428.54±5.281.23±0.431.39±0.130.49±0.250.55±0.17
215.32±3.2421.46±3.971.21±0.581.45±0.460.98±0.321.25±0.42
48.87±2.1411.59±2.420.42±0.240.47±0.130.87±0.281.51±0.34b
0.5458.62±48.35435.29±41.453.85±1.044.28±0.582.05±1.042.28±0.26
表儿茶素1563.52±68.43621.67±48.286.47±0.999.09±1.48a3.47±0.994.69±1.48a
21043.8±258.51723.54±325.17a3.56±1.085.95±0.88b4.75±0.625.53±0.68a
4885.47±652.471040.35±421.171.47±0.322.07±0.644.44±0.325.77±0.59b
0.578.42±18.2683.48±9.320.78±0.180.67±0.110.55±0.210.74±0.21
原花青素B11154.57±42.75221.58±43.24a0.99±0.411.04±0.431.17±0.261.24±0.35
2167.39±38.47261.34±54.291.82±0.272.67±0.56a1.98±0.512.17±0.44
4102.63±35.78121.54±28.570.78±0.181.41±0.21a2.47±0.783.25±0.49a
0.5304.58±32.86398.21±48.794.62±1.285.27±0.872.54±0.582.87±0.77
原花青素B21334.87±77.64562.47±67.85b6.23±1.147.29±0.683.67±0.584.82±0.74
2287.49±87.53321.52±58.944.22±0.875.67±0.97a5.21±1.077.28±0.99a
4101.48±28.47151.42±38.912.66±0.593.21±0.733.24±0.695.29±0.61b
0.521.52±8.9224.32±6.580.57±0.140.71±0.160.22±0.040.31±0.11

引文著录: 葛飞, 祁明明, 刘丽娜, 严晶, 康安, 朱时林, 季瑜, 田祖成, 代海峰, 葛乃建. 金荞麦提取物主要活性成份在溃疡性结肠炎模型小鼠体内的组织分布. 世界华人消化杂志 2017; 25(35): 3123-3132