Table 2.
Fraction | Retention Time | Peak Area (%) | Compounds | Chemical Formula | Molecular Weight | Chemical Class | Retention Index * |
---|---|---|---|---|---|---|---|
C1 | 10.35 | 4.76 | Gallic acid | C7H6O5 | 170 | Phenolic acid | 1754 |
16.37 | 96.24 | Methyl gallate | C8H8O5 | 184 | Phenol | 1722 | |
C2 | 10.35 | 12.09 | Gallic acid | C7H6O5 | 170 | Phenolic acid | 1754 |
16.37 | 3.87 | Methyl gallate | C8H8O5 | 184 | Phenol | 1722 | |
18.95 | 84.04 | Fraxetin | C10H8O5 | 208 | Coumarin | 2004 | |
C3 | 16.37 | 2.94 | Methyl gallate | C8H8O5 | 184 | Phenol | 1722 |
18.35 | 54.34 | Tomentin | C11H10O5 | 222 | Coumarin | 2085 | |
18.92 | 42.72 | Fraxetin | C10H8O5 | 208 | Coumarin | 2004 | |
C4 | 16.35 | 12.32 | Methyl gallate | C8H8O5 | 184 | Phenol | 1722 |
18.96 | 87.68 | Fraxetin | C10H8O5 | 208 | Coumarin | 2004 | |
C5 | 18.96 | 97.67 | Fraxetin | C10H8O5 | 208 | Coumarin | 2004 |
* The retention indices were obtained from the NIST/EPA/NIH Mass Spectral Library 2014. Wiley-WHC, Weinheim, Germany [23].