نتایج جستجو برای: saponification
تعداد نتایج: 776 فیلتر نتایج به سال:
In this study, moisture content, free fatty acids, peroxide, iodine value, unsaponifiable matter, saponification value, fatty acid composition and tocopherol contents of wheat germ oil obtained by SC-CO2 extraction and cold press technology were investigated. Moisture, free fatty acid (FFA), peroxide value, iodine value, unsaponifiable matter and saponification value of cold pres...
A cleaner and greener method has been developed and used to synthesize 14 different functionalized oligomer derivatives of glycerol in moderate 29%-39% yields over three steps. After successive regioselective enzymatic acylation of the primary hydroxyl groups, etherification or esterification of the secondary hydroxyl groups and chemoselective enzymatic saponification, the target compounds can ...
This research presents a new study in reactive distillation by adopting consecutive reaction . The adopted was the saponification of diethyl adipate with NaOH solution. occurs two steps. process had role withdrawing intermediate product i.e. monoethyl from reacting mixture before second conversion to disodium occurred. It found that appeared successfully distillate liquid. percentage di-ester m...
We have modified the procedure of Levy [Ann. C/in. Lab. Sd. 6, 474 (1972)] for determination of serum triglycerides. The changes consist of using heptane in place of normane; using concentrated aqueous potassium hydroxide instead of sodium methylate as the saponifying reagent; and a somewhat higher saponification, oxidation, and condensation temperature. Consequently, the yellow dehydrolutidine...
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