Green Extraction
Green Extraction - Related Videos
06:50
Extraction and Analysis of Taiwanese Green Propolis
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Cited by 15 •
2019
We present a protocol for using ethanol as a solvent to extract and characterize Taiwanese green propolis that exhibits antibacterial activity.
04:02
Laparoscopic Cholecystectomy with Indocyanine Green Fluorescence: Choledochoscopic Stone Extraction and Primary Duct Suture
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2025
The integrated technique described in this protocol achieves real-time biliary mapping via indocyanine green (ICG) fluorescence, minimally invasive stone clearance under direct visualization, and secure primary duct repair (6-0 PDS), eliminating T-tube drainage.
01:21
Green Algae
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2025
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
01:24
Green Marketing
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2024
Eco-marketing, or green marketing, is integral to contemporary business strategies, focusing on environmental sustainability. It involves selling products or services that provide environmental benefits, such as sustainable materials, energy-efficient products, or recyclable packaging. The importance and significance of green marketing are multi-faceted. Firstly, it helps raise awareness of environmental issues.With growing environmental awareness, consumers are actively looking for brands that...
07:51
A Multi-Omics Extraction Method for the In-Depth Analysis of Synchronized Cultures of the Green Alga Chlamydomonas reinhardtii
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Cited by 7 •
2019
System-wide analysis of multiple biomolecules is crucial to gain functional and mechanistic insights into biological processes. Hereby, an extensive protocol is described for high throughput extraction of lipids, metabolites, proteins and starch from a single sample harvested from synchronized Chlamydomonas culture.
FAQs
Choosing solvents according to safety, resource use, and process performance is central to Green Extraction. Water, ethanol, or supercritical carbon dioxide can replace conventional extraction media, while the choice must also support recovery of the target compounds. This links chemical selectivity with lower hazard, solvent consumption, and environmental burden.
Ultrasound and microwave assistance can improve mass transfer, the movement of compounds from a source material into an extraction medium. In Green Extraction, this process intensification can help increase yield while reducing processing time and solvent consumption. Their value is therefore measured not only by recovery, but also by whether the assisted process uses fewer resources overall.
Process intensification matters because it seeks better extraction performance with less time and solvent use. In Green Extraction, ultrasound and microwave assistance are examples of this strategy: they improve mass transfer, which can increase yield while shortening processing. The mechanism is important because efficiency is evaluated together with reduced resource consumption, rather than yield alone.
The main options identified for this approach are water, ethanol, and supercritical carbon dioxide as extraction media, together with ultrasound or microwave assistance. Solvent selection addresses the safety and environmental profile of the medium, whereas assisted techniques target mass transfer. Combining these choices allows a process to be designed around both chemical recovery and resource efficiency.
A basic design begins by selecting an extraction medium, then considering whether ultrasound or microwave assistance can improve mass transfer. The process is evaluated against recovery, yield, processing time, solvent consumption, energy use, waste, and environmental impact. This sequence helps chemists compare performance with resource efficiency before choosing a production approach.
Applications include the recovery of pharmaceuticals, food ingredients, natural products, and other high-value chemicals from natural or industrial materials. These settings benefit when a process can maintain valuable-compound recovery while reducing hazardous solvents, energy use, waste, or processing time. The approach therefore supports both laboratory research and more sustainable chemical production.
Green Extraction is relevant to chemistry because it treats recovery performance and process design as connected goals. A method can be judged by how well it recovers valuable compounds while also reducing hazardous solvents, energy use, waste, and environmental impact. This perspective helps bridge laboratory extraction decisions with safer, more efficient manufacturing.