酸水解
- acid hydrolysis
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椰壳常压酸水解制备木糖
Preparation of Xylose from Coconut Shell by Normal Pressure Acid Hydrolysis
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脱脂蚕蛹酸水解制备复合氨基酸的工艺研究
Study on technology of preparing compound amino acids of defatted silkworm chrysalis by acid hydrolysis
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目的:获得氨苄青霉素三水酸水解反应需要控制的最佳pH值。
Objective : To obtain the best value of pH using the hydrolysis process of ampicillin trihydrate .
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南方大斑蝥酸水解-丙酮提取物化学成分的GC-MS分析
GC-MS Analysis of the Chemical Constituents of Mylabris phalerata Acidolysis-acetone Extract
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借助于HPLC法检测香蕉皮稀酸水解液并得出其包含葡萄糖、木糖、甘露糖以及阿拉伯糖四种单糖。
Glucose , mannose , xylose and arabinose were found in the hydrolyzate of banana peels by the HPLC .
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同时用HPLC检测反应体系中的苯并(a)芘含量、苯并(a)芘代谢物及DNA加合物酸水解后的产物。
The measurement of BaP , BaP metabolite and acid-hydrolysis products of DNA adducts by HPLC indicated that there were BPDE-DNA adducts .
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利用酸水解和TLC测定多糖的主要糖组成。
The sugar composition of the polysaccharides were determined by TLC after acidic hydrolysis .
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最后选择酸水解的方法,用低浓度的醋酸和盐酸对其水解,葫芦素B的含量有所提高。
Final choice of the acid hydrolysis method , a low concentration of acetic acid and hydrochloric acid to its hydrolysis , the content of cucurbitacin B has increased .
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人发制备胱氨酸水解液中回收HCl的工艺研究
HCl Recovery from Hydrolyzate of Cystine Preparation
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测得不同条件下的反应速率常数k,建立了KGM的酸水解动力学方程。
The reaction rate constant K was measured under different conditions , and the acid hydrolysis kinetics equation of KGM was established .
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单管化学合成模块是一种用酸水解法制备18F-FDG的自动化设备。
" 1-pot " equipment is an automatic synthesis module of producing18F-FDG by acid hydrolysis process .
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氨态N、氨基酸N、酸水解N的绝对量均是禁牧区大于放牧区,但占全N的比例二者无显著差异。
Absolute value of ammonium N , amino acid N , acid hydrolyzed N was higher in ungrazing sites than that in grazing sites , but the proportion to total N didn 't show significant differences .
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实验结果表明,酸水解酪蛋白(Caseinacidhydrolysate,CAA)和半乳糖是2个影响表面展示脂肪酶酶活的主效因子。
The result shows that CAA ( Casein acid hydrolysate ) and GAL were two significant factors having significant effects on enzyme activity of the surface displayed lipase .
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其中WGPⅡ,完全酸水解后,经HPLC测定,主要由葡萄糖、木糖、阿拉伯糖3种单糖组成。
After acidic hydrolysis , and assayed by HPLC , WGP ⅱ was mainly consisted of glucose , xylose and arabinose .
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HPLC法测定经酸水解的菊花中三种活性黄酮苷元的含量(英文)三种柚叶悬浮培养愈伤组织黄酮类有效成分的比较研究
An efficient method for the simultaneous determination of three flavone aglycones in Flos Chrysanthemi by acid hydrolysis and HPLC A Comparative Study of the Effective Components of flavonoids from Suspension-cultured Callus Among Three Citrus grandis Cultivars
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通过14(3~3)正交试验确定了木薯淀粉酸水解为还原性转化糖浆的理想条件:盐酸浓度2.0%(V/V),水解温度80℃,淀粉乳浓度6g/100mL。
The results showed that the optimum conditions were : hydrochloric acid concentration 2.0 % , hydrolysis temperature 80'C , and the concentration of tapioca starch 6g / 100mL .
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甲丙氨酯经酸水解,酰胺键断裂,游离NH可与Na-TPB定量形成沉淀。
Meprobamate was hydrolyzed in acid condition to cleavage its amide bond , and the decomposed group NH yielded . NH reacts with Na-TPB and produces precipitate quantitatively .
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TP及TP-1经酸水解后,表明其单糖组成为甘露糖、葡萄糖醛酸、木糖及少量岩藻糖和葡萄糖。
The TP and TP-1 were composed of mannose , glucuronic acid and xylose , also smal amount of fucose and glucose ;
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采用EDTA滴定法、高频电感耦合等离子体发射光谱法、酸水解法分别测定闽产鲍鱼壳中碳酸钙、微量元素及氨基酸含量。
With the methods of EDTA titration and ICP AES , the contents of Calcium Carbonate , trace elements and amino acids in the shells of Fujian Haliotis has been determined .
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结果发现在pH3的条件下,淀粉的酸水解液与铁(III)能形成比较稳定的络合物,其水溶性较好。
RESULTS We found that Starch hydrolyzate and Fe ( III ) salt at pH 3 could form a kind of stable Iron complexes whose water solubility is good .
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GLP1结构分析采用了部分酸水解,高碘酸氧化,Simth降解,I。
Partial hydrolysis with acid and hydrolysis with fibrin enzyme , Periodate oxidation , Smith degradation , I.
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完全酸水解表明糖组成为单一的葡萄糖,蛋白质组成主要为Ala等16种天然氨基酸。
Complete acid hydrolysis revealed that its carbohydrate moiety was composed of glucose only and its protein portion consisted mainly of Asx , Glx , Ala and other amino acids .
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方法利用化学方法(糖组成分析、甲基化分析、糖醛酸还原及部分酸水解)和光谱方法(IR,NMR,ESIMS)分析其结构特征。
METHODS Based on chemical ( including sugar composition analysis , methylation analysis , uronic acid reduction and partial acid hydrolysis ) and spectral analysis ( IR , NMR , ESI-MS ), the structural characterization of SC3 was investigated .
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提出了定量分析银杏提取物中黄酮甙含量的酸水解反应条件:反应液温度70~71℃、反应4h、低速搅拌。
Reliable reaction condition has been developed for acidic hydrolysis of ginkgo extract : the reaction temperature is 70 ~ 71 ℃, reaction time 4 h and stirred at a low velocity .
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对酱油、酸水解植物蛋白(HVP)、焦糖色素中乙酰丙酸的含量进行了测定。
The content of levulinic acid in soy sauce , hydrolyzed vegetable protein ( HVP ) and caramel was determined .
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发现酸水解HVP产品氯丙醇污染严重,氯丙醇的典型代表3-氯-1,2-丙二醇(3-MCPD)的几何均数达到6。
Results showed that levels of3-monochloropropane-1,2-diol ( 3-MCPD ) of HVP products are relatively high with a geometrical mean of6 .
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甲基化分析、部分酸水解、乙酰解、IR及NMR数据表明CPB1的主链由αD1,4连接的葡萄糖残基组成,其侧链由1,4和1,6连接的葡萄糖残基构成。
Methylation analysis , partially hydrolysis , acetolysis , IR and NMR data showed that its main chain was composed of α D 1,4 linked glucosyl residues and its side chains were composed of α D 1,4 and α D 1,6 linked glucosyl residues .
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对HPP的结构研究采取了部分酸水解,高碘酸氧化,Simth降解,I.R。
Partial hydrolysis with acid , Periodate oxidation , Smith degradation , IR , and Methylation were used on the structure analysis of HPP .
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方法健康家兔单剂量(200mg·k-1)灌胃CME及其酸水解产物,以RP-HPLC测定给药后不同时间点木犀草素和芹菜素血浆药物浓度。
METHODS The concentrations of luteolin and apigenin in plasma were determined by HPLC method after a single oral dose of 200 mg · kg-1 of intact CME and hydrolysate of CME was administered to rabbits .
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确定菊粉酸水解的最优条件为:菊粉浓度为20%、时间90min、温度75℃、硫酸浓度5%。
The best conditions were : the concentration of inulin was 20 % , time was 90 min , temperature was 75 ℃, the concentration of sulfuric acid was 5.0 % .