Conversion Of Soybean Oil Research Articles

Conversion of soybean oil into ion exchange resins: Removal of copper (II), nickel (II), and cobalt (II) ions from dilute aqueous solution using carboxylate‐containing resin

Conversion of soybean oil into ion exchange resins: Removal of copper (II), nickel (II), and cobalt (II) ions from dilute aqueous solution using carboxylate‐containing resin

Conversion of soybean oil into ion exchange resins: Removal of copper (II), nickel (II), and cobalt (II) ions from dilute aqueous solution using carboxylate‐containing resin

AbstractAn ion‐exchange resin containing carboxylic acid groups was prepared by reaction of epoxidized soybean oil with triethylene tetramine, followed by hydrolysis of glycerides by using sodium hydroxide solution. The cation exchange capacity of the resins was determined to be 3.50 mequiv/g. The adsorption capacity for Cu2+, Ni2+, and Co2+ on the obtained resin at pH 5.0 was found to be 192, 96, and 78 mg/g, respectively. Effect of pH on the adsorption capacity for copper (II), nickel (II), and cobalt (II) ions were also studied. Cu2+, Ni2+, and Co2+ were adsorbed at a pH above 3. These metal ions adsorbed on the resin are easily eluted by using 1N HCl solution. The selectivity of the resin for Cu2+ from mixtures containing Cu2+/Co2+/Ni2+ ions in the presence of sodium chloride was also investigated © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 84: 2386–2396, 2002

Butylsoyamide Increases Unsaturation of Fatty Acids in Plasma and Milk of Lactating Dairy Cows

This study was designed to determine whether dietary butylsoyamide increased unsaturation of fatty acids in milk of lactating dairy cows. Nine Holstein cows were fed three diets in a 3 × 3 Latin square design, replicated three times. One diet was a control with no added fat, and the other two diets were supplemented (3.5% of the DM) with either soybean oil or butylsoyamide. Milk yields and DMI were similar for the three diets. Milk fat percentage and FCM were reduced by soybean oil, but not by butylsoyamide. Milk protein yield was reduced when butylsoyamide was fed, and milk fat yield was reduced when soybean oil was fed. The soybean oil supplement disrupted ruminal fermentation, causing total VFA and acetate concentrations to decline; the butylsoyamide supplement had no effect on ruminal VFA. The proportion of linoleic acid in plasma fatty acids was similar with the control (54.3%) and soybean oil (52.0%) diets but was higher with butylsoyamide (59.0%). Linoleic acid concentration in milk fat averaged 3.60, 4.77, and 6.28% for the control, soybean oil, and butylsoyamide diets, respectively. Conversion of soybean oil to butylsoyamide protected unsaturated fatty acids from ruminal biohydrogenation, causing linoleic acid to increase in the plasma and milk of dairy cows.