Supercritical extraction of long chain n-alcohols from sugar cane crude wax

Pre-treatment and extraction techniques for recovery of added value compounds from wastes throughout the agri-food chain

“…170 In particular, supercritical extraction of epicuticular waxes from wheat straw, flax straw, corn stover and sugarcane agricultural residues has been investigated. [172][173][174][175][176][177][178][179][180][181][182] These studies looked into the optimised extraction and characterisation of hydrophobic components constituting the waxes. Typical groups of hydrophobic compounds found in the scCO 2 extracts from these biomass residues include long-chain hydrocarbons, saturated and unsaturated fatty acids, n-policosanols, fatty aldehydes, wax esters, sterols, steroid ketones and triterpenoids.…”

“…Typical groups of hydrophobic compounds found in the scCO 2 extracts from these biomass residues include long-chain hydrocarbons, saturated and unsaturated fatty acids, n-policosanols, fatty aldehydes, wax esters, sterols, steroid ketones and triterpenoids. [173][174][175][176][177][178][179][180][181][182] These molecules can be utilised in a wide array of applications including cosmetics, cleaning products, flavour and fragrance, insecticides, degreasers, lubricants, nutraceuticals and pharmaceuticals. [183][184][185][186][187][188][189][190][191][192][193] ScCO 2 wax fractions from corn stover were found to be effective as anti-foaming agents in detergent formulations, which could be a potential replacement for the current non-renewable anti-foams that are widely known to have a number of negative impacts, such as eutrophication ( phosphates), carcinogenic products, and persistence in the environment (silicates).…”

The extraction of β-Carotene from palm mesocarp via green sub-critical carbon dioxide

“…Meanwhile, the critical pressure of liquid is the highest pressure at which a liquid can be converted into gas by an increase in the liquid temperature [2], [3]. An antioxidant is a molecule capable of slowing or preventing the oxidation of other molecules.…”

“…Futhermore, as the density of solvent increased, the intermolecular interaction of solutes also rose [12]. As a result, oil and solvent dissolution were promoted, thereby increasing the oil extraction [3]. However, the increase in the oil-solvent dissolution with pressure during the solubility-dependent stage was very slow as compared to the increase in the diffusability-dependent stage [12].…”

Phytochemicals Components as Bioactive Foods

“…Several researchers have reported the biological effects of active compounds extracted from sugar cane crude wax (CW) such as long chain n-alcohols, fatty acids or ethanolic extracts, which have application to artherosclerotic vascular, coronary heart diseases, and dermatologic diseases (Lucas, 2007).…”