Dissertation > Excellent graduate degree dissertation topics show

Effects of Rare Earth on the Accumulation of Selenium in Soybean Sprouts

Author: GuoXiaoLing
Tutor: HaoSuE
School: Harbin Institute of Technology
Course: Inorganic Chemistry
Keywords: Rare earths Selenium Se-rich bean sprouts
CLC: R151
Type: Master's thesis
Year: 2007
Downloads: 82
Quote: 1
Read: Download Dissertation

Abstract


Add bean sprouts rich in selenium carrier, using the combination of spray and soak the concentration of 10μg · mL -1 sodium selenite and different concentrations of La, Ce, Nd and other rare earth elements. method of preparation of a rare earth rich in selenium bean sprouts, using fluorescence spectrophotometry and stand for leaching centrifugation, respectively, of the total selenium and organic selenium content in the samples were analyzed to study the different rare earth concentration of selenium in soybean germination process ability. The results showed that rare earth can improve the ability of Se-rich bean sprouts, thereby increasing the total selenium in the bean sprouts and organic selenium content, but its effect is due to the type and concentration of the rare earth elements added different and there are some differences. Promote the strongest of rare earth elements La, when the La concentration is less than 6μg · mL -1 , rare earth total selenium in the bean sprouts and organic selenium have significant role in promoting and with concentration increase the promotion of capacity enhancement; when La concentration greater than 9μg · mL -1 , rare earth Selenium content of bean sprouts was significantly inhibited. La concentration 6μg · mL -1 , bean sprouts rich in selenium's role in promoting the most obvious, the strongest bean sprouts rich in selenium, total selenium content for 65.68μg · g -1 , organic selenium highest for 53.58μg g -1 , respectively, compared with total selenium and organic selenium content is not added rare earth Se-rich bean sprouts 1 times. Isoelectric precipitation of selenium-enriched protein extracted from enriched bean sprouts, and selenium and amino acid content of enriched protein, results showed that the selenium content of protein and total amino acids, rare earth promote its content 12.04% and 2.31%, respectively, compared with the control group. Se-rich bean sprouts rare earth content analysis results show that the rare earth content of the bean sprouts added rare earth is directly proportional to the concentration of added rare earth concentration 7μg · mL -1 , bean sprouts the highest concentrations of rare earth for 30.35μg g -1 , far below the maximum tolerated dose of 12mg · d body of rare earth -1 to 120mg · d -1 . Rare earth selenium-enriched protein the antioxidant analysis results showed that the La Se-rich proteins Clear has improved the ability of hydroxyl radicals and superoxide radicals, particularly superoxide radicals (· O - ) clearance rate was more significant. RE organic selenium as Se-rich bean sprouts in a safe and effective accelerator has broad application prospects in the field of food.

Related Dissertations

  1. Astragalus and selenium on the Flammulina growth and applied research,S646.15
  2. Ion Exchange Removal of Hexavalent Selenium in Raw Water,X703
  3. Exploration of Soil and Crop Selenium for Development of Se-Rich Produce in Ruian, ZheJiang Province,S153
  4. Tolerance of Tomato on Rare Earth Elements and Its Remediation Potential on Polluted Environment,S641.2
  5. Effects of Selenium on Synaptosome Membrane Fluidity and PSD-93 of Hippocampus in Rats with Drinking Water Flurosis,R599
  6. The Molecular Mechanism Intervention of Selenium on the Learning and Memory Injury by Drinking Water Fluorosis,R599
  7. Effects of Copper, Zinc and Selenium on Yield and Quality of Chrysanthemum Morifolium Ramat,S567.239
  8. Eu 3 and nano Eu 2 O 3 of human hepatocytes and hepatoma cell growth,R735.7
  9. Rat hepatoma evolution of three biochemical factors and related drugs Intervention,R735.7
  10. Arsenic and antimony chalcogenides Solvothermal Synthesis and Characterization,O641.4
  11. IVA metal chalcogenides Solvothermal Synthesis and Structure,O611.4
  12. Based FitNium keyword -driven Web Testing Framework Research and Implementation,TP311.53
  13. Inner Mongolia Rare Earth Industry Development Strategies of,F426
  14. The Research on Enriched Selenium Pear Vinegar,TS264.22
  15. Study on High Strength Al-Cu Alloy’s Rare Earth Modification Techniques and Their Influences on Alloy’s Micro/Macro-structure and Properties,TG166
  16. Effects of Ce on the Microstructure and Properties of 202 Stainless Steel,TG142.71
  17. Preparation and Characterization for Hyperbranched Polyesteramides and Its Rare Earth Complexes,O634
  18. Roast Decomposition and Chlorination of Baiyunebo Tailings,X754
  19. Study on the Carbochlorination of Baiyunebo Tailings,X754
  20. Studies on Grifolan and Enriched Organic Selenium from Grifola Frondosa Liquid Cultured in Rice Bran Substrate,S646
  21. Treatment of Dye Wastewater by Copper and Lanthanon Loaded on Activated Carbon,X791

CLC: > Medicine, health > Preventive Medicine,Health > Nutrition, hygiene,food hygiene > Nutrition
© 2012 www.DissertationTopic.Net  Mobile