Page 145 - 《广西植物》2023年第6期
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6 期                  吴其妹等: 基于 HPLC ̄ECD 研究牡荆叶抗氧化的谱-效关系                                     1 1 3 1

                                    表 4  总峰面积、总酚、总黄酮和体外抗氧化活性的结果
                   Table 4  Results of total peak areasꎬ total phenolicsꎬ total flavonoids and in vitro antioxidant activities
                                     总酚含量       总黄酮含量                              DPPH 清除率      ABTS 清除率
                         总峰面积                                FRAP 值      ORAC 值
              样品编号                     Total       Total                              DPPH          ABTS
                         Total peak                           FRAP        ORAC
               Sample                phenolics   flavonoids                          scavenging   scavenging
                           area                                value      value
               number                 content     content                              rate         rate
                                                                   ̄1
                                                                               ̄1
                         (nAmin)                           (mgg )    (mgg )
                                           ̄1
                                                       ̄1
                                     (mgg )    (mgg )                             (%)           (%)
                 S1       8 921.67    35.21       77.26       92.91       220.86      40.34        38.15
                 S2      11 047.03    35.28       78.14       99.08       221.27      36.50        38.24
                 S3      11 024.16    33.29       74.78       89.70       203.30      33.77        33.75
                 S4       9 703.31    34.23       75.84       74.75       217.58      31.58        33.23
                 S5       6 908.73    32.07       67.49       89.16       188.09      35.81        34.01
                 S6       5 764.26    20.03       37.14       56.18       232.16      19.91        19.99
                 S7       8 263.87    31.18       69.91       79.54       182.19      34.68        28.29
                 S8       6 379.86    29.30       61.48       76.78       200.75      31.46        29.05
                 S9      22 019.76    61.83       157.65      185.33      352.21      90.28        55.84
                S10       4 443.38    22.45       49.98       57.44       151.37      18.97        18.88
                S11      11 748.60    50.41       114.09      151.63      234.40      43.44        50.38
                S12       7 653.31    28.20       58.61       80.79       185.06      21.50        32.07
                S13      12 236.62    38.90       83.07       102.04      250.55      26.46        31.31
                S14       4 427.90    20.07       40.34       51.71       175.67      11.31        19.43
                S15      11 131.31    42.73       98.16       92.83       282.50      44.67        39.29
                S16       5 353.85    17.70       32.44       49.58       128.46       8.26        13.40
                S17       4 229.23    15.82       27.85       37.46       184.05      14.22        13.48
                S18       8 484.97    27.68       59.39       71.44       194.95      30.00        27.20


                                  表 5  总峰面积、总酚、总黄酮和体外抗氧化活性的相关系数
              Table 5  Correlation coefficients among total peak areasꎬ total phenolicsꎬ total flavonoids and in vitro antioxidant activities
                                                      总黄酮含量                            DPPH 清除率    ABTS 清除率
                                总峰面积       总酚含量
                                                        Total     FRAP 值     ORAC 值       DPPH       ABTS
                                Total peak  Total phenolics
                                                       flavonoids  FRAP value  ORAC value  scavenging  scavenging
                                  area      content
                                                       content                             rate       rate
                  总峰面积             1
                Total peak area
                  总酚含量          0.929         1
              Total phenolics content
                 总黄酮含量          0.943       0.995        1
             Total flavonoids content
                  FRAP 值        0.915       0.969      0.966         1
                 FRAP value
                  ORAC 值        0.870       0.840      0.844      0.786         1
                 ORAC value
                DPPH 清除率        0.910       0.916      0.940      0.900       0.852        1
              DPPH scavenging rate
                ABTS 清除率        0.863       0.964      0.951      0.945       0.778      0.888         1
              ABTS scavenging rate
              注:   表示相关性显著(P < 0.01)ꎮ
              Note:    indicates a significant correlation (P < 0.01).
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