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首页> 外文期刊>Journal of Applied Polymer Science >Honeybee corpses as an available source of chitin
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Honeybee corpses as an available source of chitin

机译：蜜蜂尸体可作为甲壳素的来源

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Corpses of naturally died honeybees were used as a raw material for chitin isolation. Process of deproteinization of the powder made from clean bee corpses was carried out in the presence of 1M NaOH at 80 degrees C. Influence of time of alkaline treatment on the yield and molar mass of chitin was studied and optimal conditions of proteins removal were found. Process of final depigmentation of protein-free remainders was carried out using oxidization-reduction reagents. Dependences of the yield of reaction and molar mass of the obtained chitin samples from concentration of oxidizing agent KMnO4 and from time of discoloring treatment were determined. Final product-high quality chitin with molar masses in range from 318 x 10(3) to 424 x 10(3) Da-was obtained in amount of 18% from initial mass of honeybee corpses. Chemical structure of chitin was determined in H-1 NMR investigation. It was found that honeybee chitin has high degree of acetylation of about 96%. FTIR spectra of honeybee chitin did not differ from FTIR spectrum of control sample of shrimps chitin with degree of acetylation about 95%. Results of quantitative determination of isolated chitin and its molar characteristic showed that applied treatment of honeybee corpses allowed to acquire successfully chitin of high quality in wide range of molar masses. (C) 2008 Wiley Periodicals, Inc.
机译：自然死亡的蜜蜂的尸体被用作分离几丁质的原料。在1M NaOH的存在下于80摄氏度下对由干净的蜜蜂尸体制成的粉末进行脱蛋白处理。研究了碱性处理时间对甲壳素的收率和摩尔质量的影响，并找到了最佳的蛋白质去除条件。使用氧化还原试剂进行无蛋白残留物的最终脱色处理。确定反应产率和所得几丁质样品的摩尔质量与氧化剂KMnO 4的浓度以及从变色处理的时间的关系。从蜜蜂尸体的初始质量中获得18％摩尔质量范围为318 x 10（3）至424 x 10（3）Da的最终产品高质量甲壳质。几丁质的化学结构在H-1 NMR研究中确定。发现蜜蜂甲壳质具有约96％的高度乙酰化。蜜蜂甲壳质的FTIR光谱与对虾甲壳质的对照样品的FTIR光谱没有差异，乙酰化度约为95％。分离的几丁质及其摩尔特性的定量测定结果表明，通过对蜜蜂尸体的处理，可以成功获得各种摩尔质量的高质量甲壳质。 （C）2008 Wiley期刊公司

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