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Posted: Fri 17:18, 18 Mar 2011
Post subject: moncler italia VC compound synthesis and fatty aci
VC fatty acid ester compound and antioxidant properties
At the same time and space and common antioxidant BHT (2,6 ~ b t-butyl p-cresol) for comparative experiments. The results in Table 6. Table 6100 ~ C under the change of peroxide value of time,
spaccio moncler
, h024487296l20Vr fatty acid ester l48l041519.5BHTl5ID4l72743 blank l1021J tear can be seen from Table 6 69Ii0 at 100 ~ C to maintain the same time, add products, peroxide value less than the oil sample added BHT and the blank,
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, and feel free to ask to increase the peroxide value growth is also slower, indicating that the fatty acid ester compound Vc is a good anti-oxidants 3 Conclusion lard prepared by esterification with methanol, fatty acid methyl ester compound,
stivali ugg
, yield 97.2 %. Concentrated sulfuric acid as the solvent and catalyst, v and composite fatty acid methyl ester exchange reaction carried out spiritus, vr compound synthesized fatty acid ester, the optimal condition for the (V): (composite fatty acids) as l: 1.2,
piumini Moncler
, reaction temperature is 25 ℃, reaction time 26h, (thick so4): n (vc + complex fatty acids) is 1:0.15, the yield was 76% of the products tested showed that the antioxidant properties of fatty acids v complex spiritus is a good non-toxic antioxidant . (Continued on page 56】 Zhengzhou Institute of Technology Volume 22 IMPR0VINGDESIGN0NDE-BRANMIULJNGTECHN0LOGY0F150t/dWHEATCHENZhi.cheng ', CHENYing-jiang2, ZHUHong-guang InstituteofTechnology, Zhengzhou450052, China; 2.Flo ~ rmillofQ Qin GrainBureau, Qihe450052, Ch / na; 3.Flo ~ rmillofTar ~ gheGrainBureau, Tanghe450052, China) Abstract: Anewtechnologyofde · branmillingWaSdesignedsuitabletOChinasituationbyapplicationofJapanPEL1TECtecnology.Itsolvedthekeyproblemsinde-branmillingtechnologyofChinaandbringthedesireofpro-ducingflourforspecialusesinlargeandmiddleflourmillsintopractice.Itmainlyintroducestheimprovingdesignonde · branmillingtechnologyof150t/dproductionlineinthispaper. Keywords: de · branmillingtechnology; technologyparameter; electricityconsu1] l ~ pertonflour (on the next page 41) References: [2] [3] [4] [5] Xie Wenlei. Oil Chemistry and technology of chemical products [M], Beijing: Science Press, 1998,367. [6] HudsonBJEFoodAnfioxidant 【M] NewY0rk: JohnWileySon.1990. 125.SchothorstT.ManufactureofAscorbylPalmitateIP1.us4192924 ,1986-03-24P1a / llerJK.Bittersvnthesisofaanti0xdianta.gent 【P】 US2350435 ,1981-10 a l6 Lu Yu, Gan Lihua, Chen Baoren. Fine Chemicals, L a lemon palm ester of ascorbic acid synthesis [J] .1996,
moncler italia
, (3): 17.IUPAC.StandardMethodsfortheAnalysisof】, s
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