Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity
Ipomoea aquatica is an aquatic plant that is widely consumed in Southeast Asia as a vegetable. In this study, the influence of various ethanol ratios (0, 20, 50, 80, and 100%) as an extraction solvent and different drying methods including air drying, sun drying, and oven drying on phytochemical con...
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Taylor & Francis
2016
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| Online Access: | http://psasir.upm.edu.my/id/eprint/54005/ http://psasir.upm.edu.my/id/eprint/54005/1/Effect%20of%20different%20drying%20treatments%20and%20solvent%20ratios%20on%20phytochemical%20constituents%20.pdf |
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| author | Abu Bakar Sajak, Azliana Abas, Faridah Ismail, Amin Khatib, Alfi |
| author_facet | Abu Bakar Sajak, Azliana Abas, Faridah Ismail, Amin Khatib, Alfi |
| author_sort | Abu Bakar Sajak, Azliana |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Ipomoea aquatica is an aquatic plant that is widely consumed in Southeast Asia as a vegetable. In this study, the influence of various ethanol ratios (0, 20, 50, 80, and 100%) as an extraction solvent and different drying methods including air drying, sun drying, and oven drying on phytochemical constituents of I. aquatica was investigated using a proton nuclear magnetic resonance-based metabolomics approach. The effect on α-glucosidase inhibitory activity and total phenolic content was also examined. Clear discrimination was observed between different ethanol ratios and different drying processes by principal component analysis. The highest α-glucosidase inhibitory activity was observed for absolute ethanol extract from the oven drying method with IC50 value of 204.0 ± 59.0 µg/mL and total phenolic content value of 22.0 ± 0.7 µg gallic acid equivalent/mg extract. Correlation between the α-glucosidase inhibitory activity and the metabolite were analyzed using a partial least square analysis. The metabolites that are responsible for the activity were quercetin derivatives, chlorogenic acid derivatives, sucrose, and fructose. This study highlights the basis for future investigations of I. aquatica as a source of food that has the potential for nutraceutical enhancement and as ingredient in medicinal preparation. |
| first_indexed | 2025-11-15T10:37:55Z |
| format | Article |
| id | upm-54005 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T10:37:55Z |
| publishDate | 2016 |
| publisher | Taylor & Francis |
| recordtype | eprints |
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| spelling | upm-540052018-02-23T02:14:29Z http://psasir.upm.edu.my/id/eprint/54005/ Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity Abu Bakar Sajak, Azliana Abas, Faridah Ismail, Amin Khatib, Alfi Ipomoea aquatica is an aquatic plant that is widely consumed in Southeast Asia as a vegetable. In this study, the influence of various ethanol ratios (0, 20, 50, 80, and 100%) as an extraction solvent and different drying methods including air drying, sun drying, and oven drying on phytochemical constituents of I. aquatica was investigated using a proton nuclear magnetic resonance-based metabolomics approach. The effect on α-glucosidase inhibitory activity and total phenolic content was also examined. Clear discrimination was observed between different ethanol ratios and different drying processes by principal component analysis. The highest α-glucosidase inhibitory activity was observed for absolute ethanol extract from the oven drying method with IC50 value of 204.0 ± 59.0 µg/mL and total phenolic content value of 22.0 ± 0.7 µg gallic acid equivalent/mg extract. Correlation between the α-glucosidase inhibitory activity and the metabolite were analyzed using a partial least square analysis. The metabolites that are responsible for the activity were quercetin derivatives, chlorogenic acid derivatives, sucrose, and fructose. This study highlights the basis for future investigations of I. aquatica as a source of food that has the potential for nutraceutical enhancement and as ingredient in medicinal preparation. Taylor & Francis 2016 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/54005/1/Effect%20of%20different%20drying%20treatments%20and%20solvent%20ratios%20on%20phytochemical%20constituents%20.pdf Abu Bakar Sajak, Azliana and Abas, Faridah and Ismail, Amin and Khatib, Alfi (2016) Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity. International Journal of Food Properties, 19 (12). pp. 2817-2831. ISSN 1094-2912; ESSN: 1532-2386 http://www.tandfonline.com/doi/abs/10.1080/10942912.2016.1141295 1H NMR metabolomics; Ipomoea aquatica; Alpha-glucosidase inhibitory; PLS 10.1080/10942912.2016.1141295 |
| spellingShingle | 1H NMR metabolomics; Ipomoea aquatica; Alpha-glucosidase inhibitory; PLS Abu Bakar Sajak, Azliana Abas, Faridah Ismail, Amin Khatib, Alfi Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity |
| title | Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity |
| title_full | Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity |
| title_fullStr | Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity |
| title_full_unstemmed | Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity |
| title_short | Effect of different drying treatments and solvent ratios on phytochemical constituents of Ipomoea aquatica and correlation with α-Glucosidase inhibitory activity |
| title_sort | effect of different drying treatments and solvent ratios on phytochemical constituents of ipomoea aquatica and correlation with α-glucosidase inhibitory activity |
| topic | 1H NMR metabolomics; Ipomoea aquatica; Alpha-glucosidase inhibitory; PLS |
| url | http://psasir.upm.edu.my/id/eprint/54005/ http://psasir.upm.edu.my/id/eprint/54005/ http://psasir.upm.edu.my/id/eprint/54005/ http://psasir.upm.edu.my/id/eprint/54005/1/Effect%20of%20different%20drying%20treatments%20and%20solvent%20ratios%20on%20phytochemical%20constituents%20.pdf |