Skip to main content

Table 2 Phenolic moieties identified in ethanolic extract of leaves and trunk of Tecoma species

From: Anti-Zika virus activity and chemical characterization by ultra-high performance liquid chromatography (UPLC-DAD-UV-MS) of ethanol extracts in Tecoma species

Compounds RT (min) UV (nm) [M + H]+ (m/z) [M-H] (m/z) Fragments (m/z)
T. stans var stans(leaves)
 Isoverbascoside 2.57 330.6 625.75 623.66 623.45, 461.17, 315.11, 297.21, 161.96
 Verbascoside 2.81 329.4 625.68 623.65 623.23, 461.21, 315.14, 297.15, 161.89
T. stans var stans(trunk)
 Phenylpropanoid glycoside 2.21 324.5 a- 639.60 639.28, 621.16, 469.35, 459.40, 323.45, 313.19, 179.0, 161.2, 151.25
 Olivil 2.23 283.4 375.51 b359.31; 341.35; 323.25; 311.29
 Isoleucosceptoside A 2.43 285.3, 324.5 637.21 637.21, 475.07, 329.17, 179.26, 160.94
 Phenylpropanoid glycoside 2.45 284.4, 324.4 639.35 639.54, 621.35, 487.41, 477.21, 469.35, 459.46, 323.2, 179.13, 161.07
 Cycloolivil 2.53 227.5, 279.2 375.52 b359.38; 341.35; 323.32; 311.36
 Isoverbascoside 2.56 286.1, 330.4 623.67 623.43, 461.12, 315.06, 297.28, 161.90
 Crenatoside 2.75 330.5 623.67 621.63 621.41, 459.37, 178.89, 160.89
 Verbascoside 2.81 287.5, 327.4 623.72 623.24, 461.06, 315.12, 161.15
 Isocrenatoside 3.11 284.2, 327.4 621.64 621.41, 459.12, 179.07, 160.89
 Leucosceptoside A 3.21 284.4, 323.5 637.22 637.21, 501.26, 461.23, 175.16, 161.12
 Paulownin 4.73 232.1, 285.3 371.53 b353.43; 325.46; 323.38; 151.15
 Paulownin acetate 5.71 237.4, 286.1 413.48 b353.23; 335.27; 325.27; 323.25
 Sesamin 5.91 235.1, 286.1 355.26 b337.29; 335.40; 319.26; 307.37
T. stansvarangustata(leaves)
 Isoverbascoside 2.57 327.4 623.59 623.28, 461.17, 315.23, 297.23, 161.77
 Crenatoside 2.75 327.5 621.57 621.34, 459.62, 178.95, 161.01
 Apigenin 4.36 267.4, 331.5 271.37 269.22 268.94, 151.12, 117.08
 Methoxyluteolin 4.51 267.5, 345.5 301.43 299.40 299.06, 284.25, 256.03, 150.81, 147.95
T. stansvarangustata(trunk)
 Olivil 2.23 283.1 375.52 b359.45; 341.28; 323.17; 311.43
 Unidentified 2.35 280.3 581.65 581.25, 419.36, 401.17, 233.10, 152.96, 118.87
 Isoverbascoside 2.57 330.1 625.68 623.66 623.30, 461.37, 315.0, 297.03, 161.90
 Crenatoside 2.75 330.5 621.63 621.34, 459.62, 178.95, 161.01
 Verbascoside 2.81 287.4, 327.2 625.75 623.66 623.24, 461.0, 315.12, 161.03
 Isocrenatoside 3.11 285.3, 327.5 621.63 621.46, 459.06, 178.82, 161.01
 Phenylpropanoid glycoside 3.23 284.1, 325.4 637.64 637.52, 490.93, 475.20, 315.21, 175.22, 161.19
 Isomartynoside/Martynoside 3.36 286.5, 327.2 651.58 651.13, 475.31, 328.79, 174.92, 160.0
 Paulownin 4.73 232.2, 285.1 371.55 b353.43; 325.46; 323.38; 151.15
 Paulownin acetate 5.71 237.5, 286.2 413.47 b353.23; 335.27; 325.27; 323.25
 Sesamin 5.91 235.4, 286.3 355.28 b337.29; 335.40; 319.26; 307.37
T. castaneifolia(leaves)
 Unidentified 2.35 281.4 581.65 581.18, 419.02, 401.4, 232.94, 152.94, 118.91
 Isoverbascoside 2.56 285.1, 330.5 625.75 623.66 623.12, 461.12, 315.19, 297.09, 161.0
 Verbascoside 2.81 285.3, 327.4 625.68 623.59 623.37, 461.30, 315.12, 161.0
T. castaneifolia(trunk)
 Olivil 2.23 283.5 375.52 b359.30; 341.39; 323.17; 311.43
 Unidentified 2.35 280.3 581.71 581.21, 419.12, 401.35, 232.89, 152.97, 118.56
 Isoverbascoside 2.57 286.1, 330.3 623.66 623.12, 461.12, 315.19, 297.09, 161.0
T. castaneifolia(trunk)
 Crenatoside 2.75 330.5 621.63 621.34, 459.62, 178.95, 161.01
 Verbascoside 2.81 287.2, 326.5 623.66 623.37, 461.30, 315.12, 161.0
 Isocrenatoside 3.11 282.3, 326.6 621.64 621.46, 459.06, 178.82, 161.01
 Isomartynoside/Martynoside 3.36 284.2, 323.5 651.55 651.31, 475.51, 329.46, 175.02, 160.91
 Paulownin 4.73 232.3, 285.1 371.46 b353.43; 325.46; 323.38; 151.15
T. garrocha(leaves)
 Isoverbascoside 2.57 326.5 625.68 623.66 623.37, 461.12, 315.0, 297.47, 161.03
 Rutin 2.69 255.2, 359.3 611.77 609.61 609.09, 301.11
 Verbascoside 2.81 314.6 625.62 623.66 623.31, 461.43, 314.78, 161.0
 Phenylpropanoid glycoside 3.23 327.1 639.60 637.83 637.46, 461.23, 443.60, 314.83, 175.17, 160.56
 Methoxyluteolin glycoside 3.32 265.3, 331.4 477.48 475.55 b477.50, 315.65, 301.36
T. garrocha(trunk)
 Unidentified 2.35 280.5 581.65 581.13, 419.17, 401.8, 232.97, 152.99, 118.94
 Isoverbascoside 2.56 330.5 625.68 623.66 623.37, 461.12, 315.0, 297.47, 161.03
 Verbascoside 2.81 326.4 625.88 623.64 623.31, 461.43, 314.78, 161.0
  1. a(−) ions undetected
  2. bCharacteristic m/z of ions in positive ion mode
\