scholarly journals para-Menthane as a Stable Terpene Derived from Orange By-Products as a Novel Solvent for Green Extraction and Solubilization of Natural Substances

Molecules ◽  
2019 ◽  
Vol 24 (11) ◽  
pp. 2170 ◽  
Author(s):  
Sara Madji ◽  
Soukaina Hilali ◽  
Anne-Sylvie Fabiano-Tixier ◽  
Mathieu Tenon ◽  
Antoine Bily ◽  
...  
Keyword(s):  
Oil Content ◽  
Azeotropic Distillation ◽  
Liquid Extraction ◽  
Water Recovery ◽  
Distillation Curve ◽  
Natural Substances ◽  
Solid Liquid Extraction ◽  
Solid Liquid ◽  
By Products

This study aims at investigating p-menthane, a novel bio-based solvent resulting from the hydrogenation of d-limonene, as a green alternative to n-hexane or toluene for the extraction and solubilization of natural substances. First, conductor-like combination of quantum chemistry (COSMO) coupled with statistical thermodynamics (RS) calculations show a comparable solubilization profile of p-menthane and n-hexane for carotene, volatile monoterpenes such as carvone and limonene, and model triglycerides. Other data obtained experimentally in solid/liquid extraction conditions further indicate that p-menthane showed similar performances to n-hexane for extracting carotenes from carrots, aromas from caraway seeds, and oils from rapeseeds, as these products showed a comparable composition. p-Menthane was also tested using common analytical extraction procedures such as Soxhlet for determination of oil content via multiple extraction stages, and Dean–Stark for determination of water content via azeotropic distillation. For both systems, yields were comparable, but for Dean–Stark, the distillation curve slope was higher when using p-menthane, and the time needed to attain 100% water recovery was 55% shorter than for toluene. Taken together, these results reveal the potential of p-menthane as a green replacer for petroleum-based solvents such as n-hexane or toluene.

Solid–liquid extraction of bioactive compounds from Spondias mombin L. by-products: optimization and identification of phenolic profile

2022 ◽  
Author(s):  
Deocleciano Cassiano de Santana Neto ◽  
Valquíria Cardoso da Silva Ferreira ◽  
Íris Braz da Silva Araújo ◽  
Bruno Raniere Lins de Albuquerque Meireles ◽  
Ângela Maria Tribuzy de Magalhães Cordeiro ◽  
...  
Keyword(s):  
Bioactive Compounds ◽  
Liquid Extraction ◽  
Phenolic Profile ◽  
Spondias Mombin ◽  
Solid Liquid Extraction ◽  
Solid Liquid ◽  
By Products

scholarly journals Rapid Solid-Liquid Dynamic Extraction (RSLDE): A Powerful and Greener Alternative to the Latest Solid-Liquid Extraction Techniques

Foods ◽  
2019 ◽  
Vol 8 (7) ◽  
pp. 245 ◽  
Author(s):  
Daniele Naviglio ◽  
Pierpaolo Scarano ◽  
Martina Ciaravolo ◽  
Monica Gallo
Keyword(s):  
Solid Material ◽  
Environmental Safety ◽  
Production Quality ◽  
Liquid Extraction ◽  
Solid Matrix ◽  
Extraction Techniques ◽  
Dynamic Extraction ◽  
Solid Liquid Extraction ◽  
Solid Liquid ◽  
By Products

Traditionally, solid-liquid extractions are performed using organic and/or inorganic liquids and their mixtures as extractant solvents in contact with an insoluble solid matrix (e.g., the Soxhlet method) or using sequential atmospheric pressure systems that require long procedures, such as maceration or percolation. The objective of this procedure is the extraction of any compounds that can be carried out from the inner solid material to the outlet, resulting in a solution containing colorants, bioactive compounds, odorous substances, etc. Over the years, in the extraction techniques sector, there have been many important changes from the points of view of production, quality, and human and environmental safety due to improvements in technology. In more recent times, the interest of the scientific community has been aimed at the study of sustainable processes for the valorization of extracts from vegetables and food by-products, through the use of non-conventional (innovative) technologies that represent a valid alternative to conventional methods, generally through saving time and energy and the formation of fewer by-products. Therefore, with the development of principles based on the prevention of pollution, on a lower risk for human health, and on a low environmental impact, new systems have been implemented to reduce extraction times and solvent consumption, to improve efficiency, and to increase the productivity of the extracts. From this point of view, rapid solid-liquid dynamic extraction (RSLDE), performed using the Naviglio extractor, compared to traditional applications, is a technique that is able to reduce extraction times, generally leads to higher yields, does not require heating of the system, allows one to extract the active ingredients, and avoids their degradation. This technique is based on a new solid-liquid extraction principle named Naviglio’s principle. In this review, after reviewing the latest extraction techniques, an overview of RSLDE applications in various research and production sectors over the past two decades is provided.

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