Assessment of iridoid profiles in the growth period of aerial parts of Pseudolysimachion rotundum var. subintegrum and their antioxidant and MUC5AC inhibitory potential
Abstract YPL-001 is a drug substance of Pseudolysimachion rotundum var. subintegrum and has been reported to be a potent COPD inhibitor. For the first time, this study demonstrated a correlation among the iridoid constituents, antioxidants, and MUC5AC inhibition activities in P. rotundum during diff...
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| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2023-07-01
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| Series: | Applied Biological Chemistry |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s13765-023-00796-0 |
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| Summary: | Abstract YPL-001 is a drug substance of Pseudolysimachion rotundum var. subintegrum and has been reported to be a potent COPD inhibitor. For the first time, this study demonstrated a correlation among the iridoid constituents, antioxidants, and MUC5AC inhibition activities in P. rotundum during different growth stages (5 to 11 weeks). Single-factor extraction was used to optimize the plant extraction conditions to maximize the major iridoid constituents (70% ethanol, 40 °C, 1 h); isolated metabolites 1–6 were identified using nuclear magnetic resonance spectroscopy (NMR) and mass spectrometry (MS). The contents of each metabolite and antioxidant/MUC5AC inhibition effects were markedly changed according to the growth stages, especially for catalposide (2, 5.97 → 10.99 mg/g, 1.8-fold) and isovanillyl catapol (5, 4.42 → 20.00 mg/g, 4.5-fold), which were the predominant substances in August. Our results indicated that YPL-001 could potentially contribute to enhancing the P. rotundum value in accumulated iridoids at the growth stage and the biological effect aspects to develop industrial medicinal crops. |
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| ISSN: | 2468-0842 |