HU Jun gang , WANG Zhang , XU Shi ying , XIE Liang , DU Dong ping
2001, 20(2).
Abstract:Primary grade casein phosphopeptide (CPP) with a N/P molar ratio of 7.52 was purified by using an ion exchange resin and cation exchange resin respectively. The recovery of CPP by using an ion exchange resin was 98.71% for P and 82.78% for N and the m
WANG Hong xin , DAI Jun , ZHANG Jia li , LU Yuan ling
2001, 20(2).
Abstract:Tea polyphenols was fractionated by Sephadex LH-20 Column Chromatography to obtain two fractions mainly containing catechins which were taken off caffeine and pigments.The two fractions were separated and purified by semi preparation HPLC respectively to
2001, 20(2).
Abstract:大豆7S蛋白与肌球蛋白质经谷氨酰胺转胺酶（TGase）作用后，产物的十二烷基硫酸钠-聚丙烯酰胺凝胶电泳(SDS-PAGE)结果表明，两者均可在分子间生成共价键，形成相对分子质量较大的聚合物.10g/dL肌球蛋白质溶液加入10U/g的TGase，于35℃、pH7.0的条件下反应90min，体系的凝胶强度较对照组有了很大提高.10g/dL大豆分离蛋白质溶液与0.02U/mg的TGase在37℃下保温150min后，体系粘度增加了150mPa*s；而5g/dL的肌球蛋白质加酶并于10℃下保温180min后，其粘度值提高了600mPa*s.
NI Li , WANG Zhang , XU Shi ying
2001, 20(2).
Abstract:Functional properties of silk fibroin were measured.The results showed that its emulsification capacity(EC) and emulsification stability(ES)were good at wide pH range from 3 to 10.Addition of NaCl decreased EC and ES to some extent.EC and ES improved as t
FAN Guang xian , ZHANG Hai ping , ZHUGE Jian
2001, 20(2).
Abstract:球拟酵母OS-194是一株单产赤藓糖醇的耐高渗酵母,该菌株高产赤藓糖醇的最佳培养基配方为葡萄糖10g/dL,酵母膏0.5g/dL,尿素0.1g/dL.最适培养条件是在摇瓶转速150r/min的条件下于35℃培养4d.在上述培养条件下，该菌株赤藓糖醇的耗糖转化率高达29.6%.磷是限制OS-194菌株高产赤藓糖醇的主要因素,当培养液中的磷质量浓度低于31.5mg/L时，赤藓糖醇的产量最高;随着磷质量浓度的升高，该菌株赤藓糖醇的产量降低,而酒精的产量和生物量却有明显升高.同时,OS-194菌株还能利用果糖、蔗糖和D-甘露糖产赤藓糖醇.
CHEN Yan , LI Yin , CHEN Jian , RUI Xin Sheng , PAN Chun
2001, 20(2).
Abstract:The effect of initial glucose concentration and fed-batch culture mode on the fermentative production of pyruvic acid by Torulopsis glabrata WSH IP303 was investigated in a 30 L fermentor. 116.4 g/L was found to be an optimal initial glucose concentr
CHEN Jian xin , LIU Jun chang , DUAN Zuo ying , MAO Zhong gui
2001, 20(2).
Abstract:异麦芽（酮）糖醇（帕拉金糖醇）是由异麦芽酮糖通过加氢反应还原而成的.探讨了在密闭的反应釜内温度、压力、初始糖质量浓度及搅拌转速等工艺参数对加氢反应速度的影响，得到了气液两相在催化剂表面接触反应的较好控制条件，为压力11MPa，温度范围120～130℃，初始糖质量浓度20g/dL，搅拌转速500r/min.在上述条件下，反应2h后转化率可达99.5%，所得到的异麦芽酮糖醇达到FAO质量标准的要求.
CHANG Xiu lian , FENG Yong mei
2001, 20(2).
Abstract:采用3种聚乙二醇-无机盐双水相体系，即聚乙二醇-硫酸盐、聚乙二醇-柠檬酸盐、聚乙二醇-磷酸盐双水相体系，研究成相浓度、起始牛血清清蛋白总浓度、外加有机溶剂及外加盐对牛血清清蛋白分配特性的影响.对聚乙二醇-硫酸盐体系，改变起始牛血清清蛋白的总浓度，得到平衡时上、下相牛血清清蛋白浓度随起始牛血清清蛋白总浓度变化的曲线方程，上相宜用“饱和型”方程表示，下相适合用线性方程表示，分配系数K的表达式与实验数据拟合较好.
ZHANG Min , HUAN Yan jun , TAO Qian , CHEN De wei , XIAO Gong nian , MOLAPISI Moenyane
2001, 20(2).
Abstract:The changing regularity of different spraying selenium(Se) concentrations on Se absorbing and converting ability of chrysanthemum was studied. The effects of different spraying quantity, water resource, spraying times, batch spraying and variety on total
ZHANG Xiao ming , YUAN Xin hua , ZHANG Ke chang
2001, 20(2).
Abstract:The effects of some physico chemical treatments, such as temperature, lytic enzyme, pre treatment of yeast, salt and initial concentration of yeast on autolysis were studied based on the autolysis kinetic rate constant(K a ). The autolysis temperatu
2001, 20(2).
Abstract:Extractions of the aroma components in beef flavoring were conducted by two methods, that is, adsorption desorption by using Tenax Gc absorbent and SDE.Components of the extracts were isolated and identified by GC MS, and 104 compounds were acquired,of
CHEN Yun , XU Gang-rong , GU Yu-mei , Philippe BLANC
2001, 20(2).
Abstract:The methods for the determination of citrinin contents in Monascus products were described in this paper. The detecting limit for the standard citrinin solution is 0.2 mg/L when spotting 1ml of standard citrinin onto TLC with the length of 1cm by observin
CHEN Xiao ming , XU Xue ming , JIN Zheng yu
2001, 20(2).
Abstract:The composition of pigments from P. rhodozyma was analyzed by TLC,photospectrum and HPLC. It was indicated that P. rhodozyma contained more than ten kinds of carotenoids,and 78% of total caroteniods were astaxanthin. Test results showed that the pigm
XU Hua jun , ZHU Zhen zhong , CHEN Ye pu
2001, 20(2).
Abstract:以硝酸锌、碳酸钠为原料，通过在沉淀反应中加入表面活性剂的方法制备出ZnO超细粉体.讨论了制备过程中Zn
2001, 20(2).
Abstract:选择硼砂溶液为测定介质，以抗坏血酸(Vc)除去介质中的氧，研究了示波极谱测定痕量硫的方法，并初步探讨了其机理.硫浓度在1.0×10
WANG Xi , LUO Xiao hui , SHI Dao yu , LUO Da li , QIAN Jia yu , ZHONG Xian xin
2001, 20(2).
Abstract:On the basis of applying three dimensional discrete formative technology to describing last surface, working principle of numerical controlled last carving machine was briefly introduced. Then the algorithm of ascertaining milling cutter machining positi
2001, 20(2).
Abstract:A new measurement method of 3 D complicated curving surface was proposed. A closed light strip on measured object was formed by laser sheet illumination. Images were attained through three CCD cameras. 2 D figure information of any section was also atta
2001, 20(2).
Abstract:研究了一类两个自由度系统，利用多重尺度法证明存在锁频于Ω的周期解，在一定条件下可变换为Wiggins的系统
2001, 20(2).
Abstract:In the paper, the asymptotic property on generalized solution of thin plate flow problem was investigated. By using the functional analysis method, an asymptotic property theorem for generalized solution was proved.
2001, 20(2).
Abstract:对回归估计，有下列结果
CHEN Zheng xing , YAO Hui yuan
2001, 20(2).
Abstract:Rice bran has high nutritive value and good prospects on developing new foods from it. The paper researched preparation technology of two functional products with stabilized rice bran as a starting material, water soluble rice nutrient and rice fiber con
TANG Li li , ZENG Xiang bin , TIAN Qing guo , DING Xiao Lin
2001, 20(2).
Abstract:To explore the effect of Limonoid on the growth inhibition and cell cycle of human mammary cancer cell lines (MCF 7), the growth and cell cycle of MCF 7 were detected by MTT assay and FCM. The Limonoid can inhibit the growth of MCF 7. The rate of inhi
2001, 20(2).
Abstract:In this paper, a technology of extraction of oligomeric proanthocyanidins from defatted grape seeds was studied. Details were given of preparation involving the extraction by the proanthocyanindins into aqueous ethanol, the concentration at low temperat
BAI Wei dong , WANG Qin , LIAN Wei min
2001, 20(2).
Abstract:Three special vegetable oils of rapeseed oil, sesame oil and corn oil were processed by microwave heating and conventional heating, comparing with unheated samples. It was also examined respectively the value of AV and PV, in order to study the effect of
DAI Jun , WANG Bin , NI Yong quan
2001, 20(2).
Abstract:The compositions of the polyglycerols were analyzed by HPLC on the YWGNH2 Column in this paper. Each logarithm of retention time (t R) of the linear polyglycerol and the cyclic polyglycerol v.s. its molecular weight is linear correlative. The linear equa
2001, 20(2).
Abstract:Three methods about interlinking DCS with MIS were mainly introduced in this paper. By exploring different interlinking methods and their instances implemented, the development and the tendency of information intercommunication and network interlink were
2001, 20(2).
Abstract:Some application in Lotus Notes, especially the application in LAN was described in this paper. With the popularize of computer, manage in Web now is the best choose. Because of its simple and convenient and high speed property, it not only improves the
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