Journal of Analytical Methods in Chemistry / 2019 / Article / Tab 1

Research Article

Quantitative Analysis of Eight Triterpenoids and Two Sesquiterpenoids in Rhizoma Alismatis by Using UPLC-ESI/APCI-MS/MS and Its Application to Optimisation of Best Harvest Time and Crude Processing Temperature

Table 1

Retention time, related MS data of the 10 investigated compounds, and internal standards in the UPLC-APCI/ESI-MS/MS analysis.

CompoundstR (min)Fragment ions (m/z)Cone voltage (V)Collision energy (eV)Ionisation modes

Alismoxide1.48203.1  ⟶  161.0; 203.1  ⟶  147.0; 203.1  ⟶  133.0; 203.1  ⟶  105.01; 203.1  ⟶  95.011515APCI+
Alisol C2.05487.1  ⟶  469.1; 487.1 ⟶ 451.1; 487.1 ⟶ 415.1; 487.1 ⟶ 379.1; 469.1 ⟶ 451.1; 469.1 ⟶ 415.1; 469.1 ⟶ 379.13515ESI+
Alisol C 23-acetate2.57529.3 ⟶ 511.3; 529.3 ⟶ 469.3; 529.3 ⟶ 451.3; 529.3 ⟶ 415.3; 529.3 ⟶ 397.33020ESI+
Alisol A3.03473.3 ⟶ 337.0; 473.3 ⟶ 365.3; 473.3 ⟶ 383.3; 473.3 ⟶ 437.3; 473.3 ⟶ 455.34011ESI+
Alisol A 24-acetate3.5515.3 ⟶ 497.3; 515.3 ⟶ 437.3; 515.3 ⟶ 455.3; 515.3 ⟶ 383.3; 515.3 ⟶ 365.32010ESI+
Alismol3.64203.1 ⟶ 161.0; 203.1 ⟶ 147.0; 203.1 ⟶ 133.0; 203.1 ⟶ 109.0; 203.1 ⟶ 95.011012APCI+
Alisol B4.23455.1 ⟶ 437.0; 455.1 ⟶ 383.1; 455.1 ⟶ 379.1; 383.3 ⟶ 365.34027ESI+
Alisol B 23-acetate4.99497.1 ⟶ 479.1; 497.1 ⟶ 437.2; 497.1 ⟶ 419.1; 497.1 ⟶ 383.1; 497.1 ⟶ 365.1408ESI+
11-Deoxyalisol B5.81457.1 ⟶ 439.1; 457.1 ⟶ 385.1; 385.3 ⟶ 367.74010ESI+
11-Deoxyalisol B 23-acetate6.68499.2 ⟶ 439.3; 499.2 ⟶ 385.3; 499.2 ⟶ 421.0; 383.1 ⟶ 367.73512ESI+
Glycyrrhetnic acid (IS)3.76417.3 ⟶ 317.23512ESI+

Quantitative ion pair.

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.