Read e-book online Alternative Solvents for Natural Products Extraction PDF

By Farid Chemat, Maryline Abert Vian

ISBN-10: 3662436272

ISBN-13: 9783662436271

ISBN-10: 3662436280

ISBN-13: 9783662436288

This ebook offers a whole photograph of the present cutting-edge in substitute and eco-friendly solvents used for laboratory and business average product extraction by way of the newest suggestions, unique equipment and secure items. It presents the required theoretical heritage and info on extraction, ideas, mechanisms, protocols, commercial purposes, safeguard precautions and environmental affects. This publication is aimed toward execs from undefined, academicians engaged in extraction engineering or typical product chemistry study, and graduate point scholars. the person chapters supplement each other, have been written through revered foreign researchers and well-known pros from the undefined, and handle the most recent efforts within the box. it's also the 1st sourcebook to target the fast advancements during this field.

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Fig. 4 Schematic diagram of the instantaneous controlled pressure-drop Fig. 2 Instant controlled pressure drop applications Material Analytes Ref. 2). Benamor et al. [14] have studied extraction of anthocyanins from Roselle calyces using DIC. This work has demonstrated that DIC increases kinetics and extraction yield of these compounds. The same authors have also noticed the impact of DIC treatment on the oligosaccharides (stachyose and ciceritol) extraction from the seeds 2 Solvent-Free Extraction: Myth or Reality?

5. In order to undergo a DIC cycle, the raw material is placed within the autoclave where a vacuum is subsequently applied. This will facilitate the contact between the steam and the product enabling a homogenous heating of the product. It is afterward filled with saturated steam set and maintained at a required pressure for an optimized time. 2 s inducing an abrupt pressure drop towards a vacuum in the autoclave. After a vacuum period, the atmospheric pressure established in order to recover the solid material.

Ben Amor B, Allaf K (2009) Impact of texturing using instant pressure drop treatment prior to solvent extraction of anthocyanins from Malaysian Roselle (Hibiscus sabdariffa). Food Chem 115(3):820–825 15. Amor BB, Lamy C, Andre P, Allaf K (2008) Effect of instant controlled pressure drop treatments on the oligosaccharides extractability and microstructure of Tephrosia purpurea seeds. J Chromatogr A 1213(2):118–124 16. Berka-Zougali B, Hassani A, Besombes C, Allaf K (2010) Extraction of essential oils from Algerian myrtle leaves using instant controlled pressure drop technology.

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Alternative Solvents for Natural Products Extraction by Farid Chemat, Maryline Abert Vian


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