Study on Processing Procedure of Wine-Processed Ligustri Lucidi Fructus Based on UPLC Characteristic Chromatogram and Multicomponent Content Determination
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摘要:
目的 建立UPLC特征图谱和多成分同时定量的分析方法, 为酒女贞子炮制过程质量评价提供依据。 方法 采用ACQUITY UPLC BEH Shield RP18(100 mm×2.1 mm, 1.7 μm)色谱柱, 以乙腈(A)-水(B)为流动相, 梯度洗脱, 流速为0.3 mL · min-1, 柱温为30 ℃, 检测波长0~3 min为284 nm, 3~25 min为224 nm, 进样量1 μL。采用化学模式识别分析方法对酒女贞子炮制过程进行质量评价。 结果 建立了女贞子炮制前后的UPLC特征图谱, 女贞子和酒女贞子分别确定了10个和14个共有峰, 指认3、4、7、9号峰为红景天苷、松果菊苷、特女贞苷、女贞苷G13, 炮制后新增成分11号峰为5-羟甲基糠醛; 聚类分析和主成分分析(PCA)将酒女贞子不同炮制过程的样品分为2类, 结合正交偏最小二乘法-判别分析(OPLS-DA)发现了导致不同炮制过程样品间差异的5个标志性化合物。定量分析了3个指标性成分, 红景天苷随着炮制时间的延长含量增加, 特女贞苷和女贞苷G13随着炮制时间的延长含量趋于稳定。 结论 所建立的UPLC特征图谱及多成分同时定量的方法准确、重复性好, 对女贞子药材及酒女贞子炮制过程的质量控制及整体性评价具有重要意义。 Abstract:OBJECTIVE Ultra Performance Liquid Chromatography (UPLC) characteristic chromatogram and simultaneous quantitative analysis method were established to provide reference for the quality evaluation of wine-processed Ligustri Lucidi Fructus with different processing procedure. METHODS ACQUITY UPLC BEH Shield RP18 (100 mm×2.1 mm, 1.7 μm) chromatographic column was used, with acetonitrile (A)-aqueous solution (B) as flow phase by gradient elution. The flow rate was 0.3 mL · min-1, column temperature was 30 ℃ and detection wavelength of 0-3 min was 284 nm, 3-25 min was 224 nm, sample injection volume was 1 μL. The quality evaluation of different processing procedure of wine-processed Ligustri Lucidi Fructus was conducted by chemical pattern recognition. RESULTS UPLC characteristic chromatogram of Ligustri Lucidi Fructus and wine-processed Ligustri Lucidi Fructus were established, identifying 10 and 14 common peaks, respectively. No. 3, 4, 7, 9 peaks were identified as Salidroside, Echinacoside, Specnuezhenide, and Ligustroflavone G13, respectively, and the new component (No. 11 peak) were identified as 5-Hydroxymethylfurfural after processing with wine. Clustering analysis and main component analysis roughly divided the wine-processed Ligustri Lucidi Fructus samples with different processing procedures into two categories. Combined with the orthogonal partial least squares-discrimination analysis, five main marker components that caused the differences between the different processing procedure samples were found. Three index components were quantitatively analyzed, while the content of Salidroside increased with prolonged processing time, and the contents of specnuezhenide and Ligustroflavone G13 stabilized with prolonged processing time. CONCLUSIONS The UPLC characteristic chromatogram and simultaneous quantitative methods established in this study are accurate and repetitive, which is of great significance for the quality control and overall evaluation of Ligustri Lucidi Fructus and the processing procedure of wine-processed Ligustri Lucidi Fructust. -
表 1 11批女贞子来源信息
Table 1. Source information of 11 batches of Ligustri Lucidi Fructus
编号 产地 编号 产地 S1 江苏徐州 S7 江苏盐城 S2 江苏徐州 S8 江苏邳州 S3 江苏徐州 S9 江苏邳州 S4 山东枣庄 S10 江苏徐州 S5 山东枣庄 S11 江苏徐州 S6 河南新乡 表 2 3个成分的线性回归方程与线性范围
Table 2. Linear regression equations with linear ranges for the three components
成分 回归方程 相关系数R2 线性范围/(μg·mL-1) 红景天苷 Y=4 797.6X-1 697.5 0.999 6 12.13~301.18 特女贞苷 Y=4 794.0X-3 785.6 0.999 2 9.88~247.76 女贞苷G13 Y=3 817.2X+25 885.8 0.999 1 10.83~271.13 表 3 3个成分的加样回收率试验结果(n=9)
Table 3. Results of additional sample recovery test for three components (n=9)
成分 称样量/g 样品含量/mg 对照品加入量/mg 测得量/mg 回收率/% RSD/% 红景天苷 0.1596
0.1551
0.1592
0.1581
0.1577
0.1583
0.1525
0.1532
0.15270.371
0.361
0.370
0.368
0.367
0.368
0.355
0.356
0.3550.200
0.200
0.200
0.400
0.400
0.400
0.600
0.600
0.6000.570
0.560
0.566
0.780
0.767
0.761
0.944
0.952
0.95199.30
99.89
98.02
103.02
100.00
98.21
98.35
99.37
99.401.51 特女贞苷 0.1501
0.1526
0.1582
0.1532
0.1549
0.1552
0.1554
0.1566
0.15274.320
4.392
4.553
4.409
4.458
4.467
4.473
4.507
4.3951.924
1.924
1.924
3.848
3.848
3.848
5.772
5.772
5.7726.264
6.334
6.459
8.152
8.230
8.161
10.270
10.181
10.075101.03
100.96
99.07
97.27
98.02
96.01
100.44
98.30
98.411.73 女贞苷G13 0.1570
0.1572
0.1568
0.1517
0.1511
0.1524
0.1596
0.1598
0.15932.832
2.836
2.828
2.736
2.726
2.749
2.879
2.883
2.8741.423
1.423
1.423
2.846
2.846
2.846
4.269
4.269
4.2694.315
4.216
4.250
5.603
5.675
5.581
7.204
7.397
7.321104.17
96.97
99.90
100.70
103.62
99.48
101.29
105.75
104.182.78 -
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