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- W2964803460 abstract "Spent hens are by-product of egg and hatching egg production and a potential source of renewable compounds. In this study, lipids were extracted using supercritical carbon dioxide (SC−CO2) at 50 − 70 °C, 30 − 50 MPa, and constant CO2 flow rate of 1 L/min. The maximum yield of total lipid 37 ±0.4 % (w/w) with 91.4% recovery was obtained at 50 MPa/70 °C. Fatty acid compositional analysis was performed using gas chromatography with flame ionization detector (GC-FID). Helium ion microscopy (HIM) was used to assess the morphological changes before and after extraction. Furthermore, epoxidation of the extracted lipids was conducted with and without the use of a solvent, where the solvent-free epoxidation was completed within 20 min and the yield was comparable. The reaction progress was monitored by attenuated total reflectance-Fourier transform infrared (ATR-FTIR) and proton nuclear magnetic resonance (1H NMR) spectroscopy analysis, which showed the conversion rates of 59.8, 84.2 and 100% at 5, 10, and 20 min, respectively. The findings suggest that an alternative bio-epoxy can be produced using SC−CO2 extraction and solvent-free oxidation of extracted lipids from poultry industry waste/by-product." @default.
- W2964803460 created "2019-08-13" @default.
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- W2964803460 date "2019-12-01" @default.
- W2964803460 modified "2023-10-15" @default.
- W2964803460 title "Supercritical CO2 extraction and solvent-free rapid alternative bioepoxy production from spent hens" @default.
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- W2964803460 doi "https://doi.org/10.1016/j.jcou.2019.07.029" @default.
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