Optimization of stevioside and rebaudioside a extraction from leaves of stevia (Stevia rebaudiana) by supercritical fluid extraction technique using response surface methodology / Hassuna Johari
Steviol glycosides compound in Stevia rebaudiana Bertoni plant act as non-caloric natural sweetener. Stevioside and rebaudioside A are the most abundant steviol glycosides in stevia leaves. It was found that extraction yield of stevioside and rebaudioside A compound using conventional method is very...
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| Format: | Thesis |
| Language: | English |
| Published: |
2019
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| Online Access: | https://ir.uitm.edu.my/id/eprint/87876/1/87876.pdf |
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| Summary: | Steviol glycosides compound in Stevia rebaudiana Bertoni plant act as non-caloric natural sweetener. Stevioside and rebaudioside A are the most abundant steviol glycosides in stevia leaves. It was found that extraction yield of stevioside and rebaudioside A compound using conventional method is very low with high impurities. Furthermore, there are lack of on the optimization of stevioside and rebaudioside A extraction.The aims of this study are to optimise parameters which are concentration of co-solvent, temperature and pressure, of supercritical fluid extraction (SFE) from stevia leaves using response surface methodology and to quantify the amount of stevioside and rebaudioside |
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