Clinacanthus nutans Lindau: Effects of drying methods on the bioactive compounds, color characteristics, and water activity
The application of solar drying (SD) and heat pump-assisted solar drying (HPSD) on the retention of flavonoid components, total color changes, and water activity of Clinacanthus nutans Lindau leaves were investigated. Analysis of data shows significantly higher extractable yield and flavonoid (orien...
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| Main Authors: | , , , , , , , , , |
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| 格式: | Article |
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Taylor and Francis Inc.
2018
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| 主題: | |
| 在線閱讀: | http://eprints.utm.my/id/eprint/81832/ http://dx.doi.org/10.1080/07373937.2017.1304410 |
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| 機構: | Universiti Teknologi Malaysia |
| 總結: | The application of solar drying (SD) and heat pump-assisted solar drying (HPSD) on the retention of flavonoid components, total color changes, and water activity of Clinacanthus nutans Lindau leaves were investigated. Analysis of data shows significantly higher extractable yield and flavonoid (orientin and vitexin) percentage during the drying with HPSD. The same drying technique also revealed optimum color values and low water activity. Thin-layer models fitted to the experimental data show that Hii and Law model is suitable for SD, while logarithmic model is able to give a good fit to HPSD. |
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