Evaluation of a simple and promising method for extraction of antioxidants from sea buckthorn (Hippophaë rhamnoides L.) berries: Pressurised solvent-free microwave assisted extraction

Berry pomace – a review of processing and chemical analysis of its polyphenols

“…Apart from the production of pomace powder that is rich in dietary fibre and antioxidants, another approach to add value to pomace is to extract these components. Recent studies especially focus on advanced, energy‐saving technologies for the extraction of antioxidants such as pressurised liquid extraction, supercritical fluid extraction and ultrasound‐ or microwave‐assisted extraction (Michel et al ., ; Galván D'Alessandro et al ., ; Paes et al ., 2104) which have also been described as being more efficient concerning extractant yield.…”

Optimization of microwave-assisted extraction of hydrophilic and lipophilic antioxidants from a surplus tomato crop by response surface methodology

“…Among them, microwave-assisted extraction (MAE) has gained significance due to its shortened extraction time, higher extraction rate, reduced solvent consumption and superior product's quality at lower cost (Dahmoune et al, 2015;Gallo et al, 2010), being one of the dominant trends of the "green chemistry" movement (Michel et al, 2011). However, the extraction process efficiency depends on some variables and operating conditions (Bhuyan et al, 2015;Dahmoune et al, 2015), which may not be generalized for all plant materials due to the diverse nature of existing bioactive phytochemicals.…”

Yield of Polyphenolic Substances Extracted From Spruce (Picea abies) Bark by Microwave-Assisted Extraction

“…Closed-system microwave-assisted extraction (MAE) is an important technique for extracting valuable compounds from lignocellulosic materials (Guo et al 2001;Hao et al 2002;Gao et al 2006;Ghaly and Adams 2007;Hemwimon et al 2007;Ghani et al 2008;Yeoh et al 2008;Gujar et al 2009;Spigno and Faveri 2009;Michel et al 2011;. MAE of extractive substances may be affected by factors such as frequency and power of the microwave, time of applying microwave radiation, moisture content, particle size, ratio of solid to liquid, type and composition of solvent, temperature, pressure, and number of extraction cycles (Wang and Weller 2006;Yang and Zhang 2011;Hadkar et al 2013).…”