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表3 正离子模式下肉苁蓉总苷在人工肠液中代谢的化合物信息
        Tab 3 Identification of chemical composition of total glycosides of C. deserticola after metabolism in artificial intes-
               tinal fluid under positive ion mode
                                正离子质谱信息,m/z
        特征峰序号   tR,min                                  分子量    化合物推测                                 原型/代谢
                      一级碎片     二级碎片
        1       1.180  401.159 6  311.261 4;309.254 2;279.093 3;209.158 8  400.151 8  甲基-O-芥子醛葡萄糖苷     代谢
        2       1.196  261.156 3  133.729 6;131.000 4;115.054 5;87.245 5  260.148 5  D-葡萄糖硫酸结合物        代谢
        3       3.280  531.292 1  325.126 0;279.094 2  530.284 3  Dehydrodiconiferyl alcohol-4-O-β-D-glucoside glucuronic acid conjugate  代谢
        4       3.314  859.468 6  649.571 3;633.092 6;585.764 0;561.751 1  858.460 8  Acetylated Kankanoside K  代谢
        5       3.464  341.098 8  309.254 1;279.094 3  340.091 0  Demethyldehydrodiconiferyl alcohol-4-O-β-D-glucoside  代谢
        6       3.814  435.224 1  151.043 5;137.050 4  434.216 3  Dehydrodiconiferyl alcohol-4-O-β-D-glucoside sulfate conjugate  代谢
        7       3.847  371.265 3  279.065 6;239.267 7  370.257 5  Hydroxylated dehydrodiconiferyl alcohol-4-O-β-D-glucoside  代谢
        8       3.947  387.295 4  309.254 3;279.093 9  386.287 6  羟基化芥子醛葡萄糖苷                           代谢
        9       4.281  523.286 6  433.223 0;415.209 4;351.210 8;309.254 5  522.278 8  甲基-O-肉苁蓉苷E       代谢
        10      7.749  697.387 1  607.217 5;455.205 7;433.222 9;415.211 1  696.379 3  甲基-O-2’-乙酰毛蕊花糖苷  代谢
        11      7.882  457.210 3  165.059 0;135.044 3;121.058 0;119.047 5  456.202 5  玉叶金花苷酸硫酸结合物      代谢
        12      9.833  369.223 4  309.254 5;279.094 1;  368.215 6  Methylated dehydrodiconiferyl alcohol-4-O-β-D-glucoside  代谢
        13      10.066  393.194 4  181.074 7;169.071 1;  392.186 6  羟基化玉叶金花苷酸                          代谢
        14      10.649  843.513 7  415.206 2;369.173 0;355.181 7  842.505 9  2’-乙酰毛蕊花糖苷葡糖醛酸结合物         代谢
        15      11.266  373.232 0  343.148 2;325.142 9;311.289 0;211.021 3  372.224 2  甲基-O-松柏苷        代谢
        16      11.400  757.312 0  607.214 2;479.278 2;455.204 7;423.225 9  756.304 2  去甲基管花肉苁蓉苷B      代谢
        17      11.700  711.372 7  639.309 3;607.215 5  710.364 9  Methylation Kankanoside J           代谢
        18      12.700  727.868 4  625.273 6;455.205 7  726.860 6  Methyl-O-Kankanoside                代谢
        19      12.900  777.238 9  607.218 5;455.205 3  776.231 1  Kankanoside J sulfuric acid conjugate  代谢
        20      13.167  407.207 7  375.215 9;347.204 2;331.236 0;181.123 6  406.199 9  甲基-O-玉叶金花苷酸     代谢
        21      13.284  451.216 0  293.229 9;233.149 1;215.143 6;203.129 8  450.208 2  芥子醛葡萄糖苷硫酸结合物    代谢
        22      13.334  739.356 4  639.308 9;607.218 6;533.319 3;455.205 7  738.348 6  Acetylated Kankanoside J  代谢
        23      13.717  335.223 6  317.223 8;235.145 4;173.134 2  334.215 8  Demethyl Kankanoside E    代谢
        24      13.917  713.094 2  533.321 1;479.279 5;455.205 6  712.086 4  Hydroxylated Kankanoside J  代谢
        25      14.134  639.647 9  497.273 6;351.216 0  638.640 1  甲基化毛蕊花糖苷                            代谢
        26      14.434  847.477 8  649.340 7;533.322 0;465.281 7;455.206 6  846.470 0  Methyl-O-Kankanoside K  代谢
        27      14.467  349.239 3  331.114 5;317.096 6  348.231 5  Kankanoside L                       原型
        28      14.817  705.333 6  465.282 8;447.215 2;433.222 9;415.211 9  704.325 8  毛蕊花糖苷硫酸结合物      代谢
        29      16.401  681.517 3  557.182 9;465.285 9  680.509 5  甲基化2’-乙酰毛蕊花糖苷                       代谢
        30      17.302  553.022 7  523.290 1;329.793 7  552.014 9  玉叶金花苷酸葡糖醛酸结合物                       代谢
        31      17.368  385.218 6  223.141 8;133.084 8  384.210 8  甲基化芥子醛葡萄糖苷                          代谢
        32      17.402  385.213 7  353.231 7;335.222 0;293.110 4  384.205 9  Methyl-O-dehydrodiconiferyl alcohol-4-O-β-D-glucoside  代谢
        33      17.852  813.325 9  499.293 4;481.289 6;455.208 1  812.318 1  乙酰化管花肉苁蓉苷B                代谢
        34      17.935  667.306 1  595.348 3;481.285 8  666.298 3  乙酰化毛蕊花糖苷                            代谢
        35      18.585  683.356 7  537.272 5;481.278 4;463.268 6;411.243 3  682.348 9  羟基化2’-乙酰毛蕊花糖苷   代谢
        36      18.635  683.358 1  581.696 1;499.282 7;481.273 1;455.195 3  682.350 3  Demethyl Kankanoside J  代谢
        37      18.786  641.300 9  451.250 8;369.158 2;315.109 4  640.293 1  羟基化毛蕊花糖苷                  代谢
        38      19.336  787.400 6  581.704 0;557.179 2;515.291 7;465.288 7  786.392 8  羟基化管花肉苁蓉苷B      代谢
        39      20.053  801.135 7  769.393 7;499.292 8;455.207 3  800.127 9  甲基-O-管花肉苁蓉苷B              代谢
        40      20.086  801.336 2  575.258 9;465.277 0;433.937 3  800.328 4  毛蕊花糖苷葡糖醛酸结合物              代谢
           注:因有些化合物只存在英文名称,故以英文表述
           Note:Because some compounds only have English names,they are expressed in English

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        m/z 357.214 8 为 [M-H]  -  峰 ,m/z 311.977 6 为 [M-H-  C6H12O6-CH2O-H2O] 峰,推测其为羟基化丁香苷。
        HCOOH] 峰,m/z 149.995 8 为[M-H-C6H10O5-HCOOH]   -    2.9 人工肠液中各化合物的代谢途径
                -
        峰,推测其为去羟基京尼平苷酸;16号峰(tR=7.803 min)                      肉苁蓉总苷在人工肠液中成分分析共推测出 86 个
                                                -
        分 子 量 为 388.122 1,m/z 387.114 3 为 [M-H] 峰 ,m/z     代谢物,根据总苷代谢相关文献              [14-15] 推测其代谢途径主
        319.541 3 为[M-H-CH3OH-2H2O] 峰,m/z 301.728 0 为      要有甲基化、去甲基化、羟基化、去羟基化、甲氧基化、乙
                                    -
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        [M-H-CH3OH-3H2O] 峰,推测其为甲基化京尼平苷酸;                   酰化、硫酸化、葡萄糖醛酸化。表明肉苁蓉总苷在人工
        21号峰(tR=8.153 min)分子量为388.1224,m/z 387.114 6       肠液中主要是以代谢物的形式存在。人工肠液中代谢
        为[M-H] 峰,m/z 323.702 8 为[M-H-2CH3OH] 峰,m/z         产物的典型代谢途径见图6。
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        293.839 4 为[M-H-2CH3OH-CH2O] 峰,m/z 263.477 2 为     3 讨论
        [M-H-2CH3OH-C2H4O2]  -  峰 ,m/z 159.166 4 为 [M-H-       目前大多数药物都为口服给药,胃、肠道是口服给

        中国药房    2020年第31卷第1期                                                China Pharmacy 2020 Vol. 31 No. 1  ·59  ·
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