Instant controlled pressure drop texturing for intensifying ethanol solvent extraction of olive (Olea europaea) leaf polyphenols

Review of Green Food Processing techniques. Preservation, transformation, and extraction

“…DIC pretreatment is considered an efficient method for extraction and texturing from various vegetal materials. Indeed, Mkaouar, Bahloul, Gelicus, Allaf, and Kechaou (2015) showed that DIC texturing on the solvent extraction of polyphenols from olive leaves improves the yield of extraction of 312% and permits generating extract richer in bioactive compounds. Another study has proved that DIC allows enhancing lipid extraction from jatropha and rapeseed seeds without significant modification of fatty acids composition in comparison with conventional Soxhlet extraction (Nguyen Van, 2010).…”

A review of sustainable and intensified techniques for extraction of food and natural products

“…This is achieved by improving and expanding the texture of the solvent to attain better porosity in plant tissues. Mkaouar et al 8 illustrated the efficacy of DIC treatment, where post-treatment, a steep enhancement in the ethanol solvent extraction of phenolic compounds from olive leaves (Olea europaea) was witnessed; the extraction yield augmented by 312% and manifested an extract richer in bioactive compounds. DIC pretreatment has shown a positive and significant effect on the extraction of different phenolic compounds from grape stalk powder executed with several types of solvents.…”

Processing, Valorization and Application of Bio-Waste Derived Compounds from Potato, Tomato, Olive and Cereals: A Review

“…According to Sifaoui, et al [386], an extraction with water at 58 • C, pH 8 for 54 min and a liquid-to-solid ratio of 77:1 was most effective. The best conditions for an alcoholic extraction were published by Mkaouar, et al [387] and are composed of 95.6% ethanol, 55 • C and 40 ml/g dry matter. By applying an ultrasonic-assisted extraction at high temperatures, the polyphenol yield can be further improved [382].…”