Optimization of oil yield and oil total phenolic content
Screw rotation speed and die diameter only affected the oil yield. Maximum oil yield was observed for type 1 grape seeds (64.3%, o/o). Total oil polyphenol content was also maximal for type 1 seeds with up to 121 mg GAE/kg of oil. Maximum oil yield was 57.3% and 58.8% (o/o) for type 2 and type 3 grape seed respectively and total polyphenol oil
Jan 01, 2015· Oil yield and total polyphenol content in oil for each of the 16 experiments are presented in Table 2. Oil yields ranged from 48.9 to 73%, which is in agreement with the obtained yield for cold expression of other raw materials (Savoire et al., 2013). The maximal oil yield was obtained in trial 14.
Optimization of oil yield and oil total phenolic content
Request PDF Optimization of oil yield and oil total phenolic content during grape seed cold screw pressing Grape seed oil being industrially obtained by solvent extraction, in this study we
The type of grape seed was the most influencing parameter on the studied responses. Screw rotation speed and die diameter only affected the oil yield. Maximum oil yield was observed for type 1 grape seeds (64.3%, o/o). Total oil polyphenol content was also maximal for type 1 seeds with up to 121 mg GAE/kg of oil.
Optimization of oil yield and oil total phenolic content
Maximum oil yield was observed for type 1 grape seeds (64.3%, o/o). Total oil polyphenol content was also maximal for type 1 seeds with up to 121mgGAE/kg of oil. Maximum oil yield was 57.3% and 58.8% (o/o) for type 2 and type 3 grape seed respectively and total polyphenol oil content was below 90mgGAE/kg for these two types of seeds.
Maximum oil yield was observed for type 1 grape seeds (64.3%, o/o). Total oil polyphenol content was also maximal for type 1 seeds with up to 121 mg GAE/kg of oil. Maximum oil yield was 57.3% and 58.8% (o/o) for type 2 and type 3 grape seed respectively and total polyphenol oil content was below 90 mg GAE/kg for these two types of seeds.
Grape Seed Oil Compounds: Biological and Chemical Actions
extracted from grape seed oil by cold-pressing method, is about 2.9 mg/kg, and minor amounts of catechin, epicat-echin (1.3 mg/kg each), and trans-resveratrol (0.3 mg/kg) have been detected. 16. However, considering the total amount of phenolic com pounds, the content of polyphenols in grape seed oil
Polyphenols Content in the Grape Biomass and Total Phenols Content. Et-OH Ethanol extract. Only the grape seeds contained coumaric acid (10.97 g/kg). HPLC chromatograms of grape seed ethanol extract are shown in Fig. 3. Quercetin (3.75 g/kg) and glycoside rutin (6.79 g/kg) were found in higher amounts in the grape skin.
Antioxidant activity and the tocopherol and phenol
Polyphenols Content in the Grape Biomass and Total Phenols Content. Et-OH Ethanol extract. Only the grape seeds contained coumaric acid (10.97 g/kg). HPLC chromatograms of grape seed ethanol extract are shown in Fig. 3. Quercetin (3.75 g/kg) and glycoside rutin (6.79 g/kg) were found in higher amounts in the grape skin.
2024-03-04: Optimization of oil yield and oil total phenolic content during grape seed cold screw pressing Rombaut, Natacha ; Savoire, Raphaelle ; Thomasset, Brigitte ; CASTELLO, Jeremie ; Van Hecke, Elisabeth ; Lanoiselle, Jean-Louis