scholarly journals An unexpected behavior of H3PMo12O40 heteropolyacid catalyst on the biphasic hydrolysis of vegetable oils

RSC Advances ◽  
2017 ◽  
Vol 7 (14) ◽  
pp. 8192-8199 ◽  
Author(s):  
M. J. Da Silva ◽  
M. G. Teixeira
Keyword(s):  
Fatty Acids ◽  
Vegetable Oils ◽  
Heteropolyacid Catalyst ◽  
Hydrolysis Of ◽  
Unexpected Behavior

Fatty acids (FA) are key ingredients in formulating numerous high-value chemicals.

Application of Benzyl Ester of Modified Vegetable Oils as Rubber Processing Oils

2011 ◽  
Vol 415-417 ◽  
pp. 1164-1167 ◽  
Author(s):  
Hasleena Boontawee ◽  
Charoen Nakason ◽  
Azizon Kaesaman ◽  
Anoma Thitithammawong ◽  
Sopa Chewchanwuttiwong
Keyword(s):  
Fatty Acids ◽  
Vegetable Oils ◽  
Dynamic Mechanical Properties ◽  
Benzyl Ester ◽  
Molar Ratio ◽  
Mixing Energy ◽  
Rubber Compounds ◽  
Different Types ◽  
Benzyl Esters ◽  
Hydrolysis Of

Benzyl esters of fatty acids based on three types of vegetable oils (i.e., coconut, palm, and soybean oils) were in-house prepared. They were used as alternative rubber processing oil to replace conventional aromatic oil which has been banned by European community since December 2009. Fatty acids were first prepared by hydrolysis of vegetable oils and thereafter esterified with benzyl alcohol in the presence of sulfuric acid as a catalyst. The reaction based on molar ratio of fatty acid:benzyl alcohol:sulfuric acid was set at 1.5:1.0:0.05 gave yield of benzyl esters higher than 80%. Rubber compounds containing different types of benzyl ester were prepared according to the standard formulation of ASTM 3184. It was found that the processing oil in the form of benzyl esters is possible to use instead of aromatic oil in rubber formulation. Various parameters and properties include mixing energy, Mooney viscosity, curing, mechanical and dynamic mechanical properties of rubber compounds and vulcanizates have been investigated.

scholarly journals Production of omega 3, 6, and 9 fatty acids from hydrolysis of vegetable oils and animal fat with Colletotrichum gloeosporioides lipase

2017 ◽  
Author(s):  
Denise Sande ◽  
Gecernir Colen ◽  
Gabriel Franco dos Santos ◽  
Vany Perpétua Ferraz ◽  
Jacqueline Aparecida Takahashi
Keyword(s):  
Fatty Acids ◽  
Vegetable Oils ◽  
Colletotrichum Gloeosporioides ◽  
Omega 3 ◽  
Animal Fat ◽  
Hydrolysis Of

Hydrolysis of vegetable oils and fats to fatty acids over solid acid catalysts

2011 ◽  
Vol 391 (1-2) ◽  
pp. 427-435 ◽  
Author(s):  
J.K. Satyarthi ◽  
D. Srinivas ◽  
P. Ratnasamy
Keyword(s):  
Fatty Acids ◽  
Vegetable Oils ◽  
Solid Acid ◽  
Solid Acid Catalysts ◽  
Acid Catalysts ◽  
Hydrolysis Of

Hydrolysis of Vegetable Oils to Fatty Acids Using Brønsted Acidic Ionic Liquids as Catalysts

2014 ◽  
Vol 53 (29) ◽  
pp. 11653-11658 ◽  
Author(s):  
Hui Luo ◽  
Kai Xue ◽  
Weiyu Fan ◽  
Chuan Li ◽  
Guozhi Nan ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Ionic Liquids ◽  
Vegetable Oils ◽  
Acidic Ionic Liquids ◽  
Hydrolysis Of

ACTIVATION OF THE TRANSESTERIFICATIONS PROCESS OF VEGETABLE OILS TRIGLYCERIDES WITH METHANOL UNDER THE INFLUENCE OF MAGNETIC FIELD

2015 ◽  
Vol 11 (6) ◽  
pp. 3630-3634
Author(s):  
T.A. Mamedova ◽  
Z.M. Aliyeva ◽  
A.E. Aliyeva ◽  
R.T. Samedov ◽  
V.M. Abbasov ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Fatty Acids ◽  
Reaction Time ◽  
Vegetable Oils ◽  
High Yield ◽  
Alkyl Esters ◽  
Sunflower Oils ◽  
The Magnetic Field

The process of producing mono-alkyl esters of fatty acids from cottonseed and sunflower oils under the influence of the magnetic field with intensity  15-45 mT  was  investigated . It was revealed that the use of the energy of  magnetic field allows to reduce the reaction time to 10 times, the excess of used alcohol to 2 times while maintaining high yield of the desired product.

scholarly journals Enzymatic Methods for the Manipulation and Valorization of Soapstock from Vegetable Oil Refining Processes

2021 ◽  
Vol 2 (1) ◽  
pp. 74-91
Author(s):  
Beatrice Casali ◽  
Elisabetta Brenna ◽  
Fabio Parmeggiani ◽  
Davide Tessaro ◽  
Francesca Tentori
Keyword(s):  
Fatty Acids ◽  
Free Fatty Acids ◽  
Vegetable Oil ◽  
Lipase Production ◽  
Oil Refining ◽  
Flow Mode ◽  
Acid Oil ◽  
Industrial Level ◽  
Vegetable Oil Refining ◽  
Hydrolysis Of

The review will discuss the methods that have been optimized so far for the enzymatic hydrolysis of soapstock into enriched mixtures of free fatty acids, in order to offer a sustainable alternative to the procedure which is currently employed at the industrial level for converting soapstock into the by-product known as acid oil (or olein, i.e., free fatty acids removed from raw vegetable oil, dissolved in residual triglycerides). The further biocatalyzed manipulation of soapstock or of the corresponding acid oil for the production of biodiesel and fine chemicals (surfactants, plasticizers, and additives) will be described, with specific attention given to processes performed in continuous flow mode. The valorization of soapstock as carbon source in industrial lipase production will be also considered.

THE HYDROLYSIS OF MONOPHOSPHOINOSITIDE BY EXTRACTS OF BRAIN

1967 ◽  
Vol 45 (6) ◽  
pp. 853-861 ◽  
Author(s):  
W. Thompson
Keyword(s):  
Fatty Acids ◽  
Enzyme Activity ◽  
Calcium Ions ◽  
Brain Extract ◽  
Monovalent Cations ◽  
High Concentration ◽  
Diffusible Factor ◽  
Hydrolysis Of ◽  
The Brain ◽  
Long Chain

The hydrolysis of monophosphoinositide by soluble extracts from rat brain is described. Diglyceride and inositol monophosphate are liberated along with a small amount of free fatty acids. Hydrolysis of the lipid is optimal at pH 5.4 in acetate buffer. The reaction is stimulated by calcium ions or by high concentration of monovalent cations and, to a less extent, by long-chain cationic amphipathic compounds. Enzyme activity is lost on dialysis of the brain extract and can be restored by diffusible factor(s). Some differences in the conditions for hydrolysis of mono- and tri-phosphoinositides are noted.

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