Extraction of oil from grape seeds ScienceDirect
A novel green solvent, CO 2-expanded ethanol (CXE), was employed to extract oil from grape seeds, which is one of the main by-products generated by the grape-processing
Background: Grape seeds are a relatively abundant source of oil and bioactive compounds. To use this byproduct, the current work aimed to optimize the ultrasound-assisted extraction (UAE) of
USDA ARSPublication USDA ARS
The objective of this study was to examine the effect of moisture content, particle size of grape seeds, screw speed and die diameter of mechanical expeller on grape seed oil yield by using a
where y 1 and y 2 are extraction yield and DPPH value, and X 1 is extraction pressure and X 2 extraction temperature in terms of coded values.. The Anova results for
Optimization of Mechanical Extraction Conditions
Extracting whole grape seeds with 5.3% MC at 120 rpm using a 10 mm die diameter was found to be the optimum condition, which produced a grape seed oil yield of 7.6% at an oil
Abstract: In order to screen the appropriate method for the extraction of high-quality grape seed oil, Soxhlet extraction, reflux extraction, ultrasonic extraction and microwave extraction were
ASABE Technical LibraryOptimization of Mechanical Extraction Conditions
Seed MC in the range of 3.1% to 8.7% did not affect the oil yield; however, above 8.7% MC, oil yield was significantly reduced. Extracting whole grape seeds with 5.3% MC at 120 rpm using a 10 mm
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
Advances in Grape Seed Oil Extraction
Global wine production has grown, resulting in an increase in waste within the industry. This has raised concerns among producers and scientists worldwide, prompting them to seek solutions for its management.
3.4. Process evaluation of CXE extraction of grape seed oil The optimum conditions for the CXE extraction of grape seed oil were obtained by RSM: a pressure of 7.4 MPa, a temperature of 314 K, and a CO2 mole fraction of
LACCEIOptimization of the Supercritical Fluid Extraction for the
supercritical fluid extraction technology and the use of industrial waste allow establishing the foundations of sustainable industrial processes that is important for the growth of the productive
Extraction, Optimization and Characterization of the. 12 Keresa Defa et al.: Extraction, Optimization and Characterization of the Ethiopian Ruta Chalepensis Crude Oil 2. Materials and Methods 2.1.
Extraction of oil from grape seeds (Vitis vinifera L
A novel green solvent, CO2-expanded ethanol (CXE), was employed to extract oil from grape seeds, which is one of the main by-products generated by the grape-processing industry.
Nov 1, 2010Supercritical carbon dioxide (SC-CO 2) was employed to extract oil rich in omega-3 fatty acids (FAs) from chia seeds, and the physicochemical properties of the oil were determined.
Optimization of extraction using mathematical models
Whilst an RSM based on central composite design (CCD) was successfully applied for the optimization of extraction of essential oil from Ballota hirsuta Benth. aerial parts (Ou-Ani et al.,
Grape (Vitis vinifera) seeds are obtained from juice or wine production as by-products and considered an environmentally friendly value-added product.The oil from Vitis vinifera seeds
- How is grape seed oil extracted?
- Extraction. Grape seed oil can be obtained either through direct pressing of whole seeds or from grape seed flour. Conventional methods for oil extraction involve mechanical pressing and solvent extraction techniques.
- How grape seed oil expression on screw press enables high oil yield?
- Grape seed oil expression on screw press enables high oil yield. Raw material is the major factor affecting oil expression. Oil polyphenols content is independent of seed polyphenols content. Playing on process parameter an increase in oil polyphenol content can be reached. 1. Introduction
- Why is pre-treatment important for grape seed oil extraction?
- Pre-treatment: Since conventional grape seed oil extraction methods present certain limitations regarding extraction yield and solvent use, it is necessary to resort to pre-treatment techniques to improve the extraction yield and the quality of the oil obtained.
- Can grape seed oil be used as a food source?
- Consequently, future research should use grape seed oil from alternative extraction methods, such as ultrasonic extraction, CO 2 supercritical fluids, and pulsed electric fields. Additionally, further studies are warranted to explore the incorporation of this byproduct into novel food sources.
- Which type of grape seeds affect oil yield and total polyphenol content?
- Results highlighted that type of grape seeds had the major influence on oil yield and total polyphenol content in oil. A maximum oil yield of 64% could be achieved by oil expression of type 1 grape seeds. Cold screw pressed oils of the type 1 grape seeds contained the highest level of total polyphenol of the designs.
- How to extract phenolic compounds from grape seed oil?
- It has also been noted that using ultrasonic pretreatment at optimized time and temperature settings (30:30), combined with supercritical CO 2 extraction, can enhance the efficiency of extracting phenolic compounds from grape seed oil .
