Abstract:将苹果渣和苹果纤维添加至焙烤蛋糕的面粉中,测定了蛋糕粉湿面筋含量和浆料粘度的变化。探讨了对蛋糕的比容及老化的影响,结果表明:苹果渣和苹果纤维会引起面粉持水性的改变。苹果纤维同面粉混合后的总持水性,常温下为两者的线性之和;纤维的添加能导致湿面筋含量的下降,下降幅度同纤维的含量有关。表观粘度系湿面筋的形成能力与纤维持水性两者的综合效应。该结果有助于进一步研究纤维同小麦面筋之间的相互作用并为蛋糕品质的改善提供了实验依据。

Abstract:腐乳白点,经化学定性、HPLC定量鉴定、重结晶显微观察等试验,证实了其主要成分是73%～76%的酪氮酸和一些菌丝体。不同腐乳样品的游离氨基酸图谱显示了白点的出现与游离酪氨酸含量之间有密切关系。

Abstract:The solid recycing, rate X was used as the parameter for describing recycling process of solid of distillage filtrate from ethanol fermentation. The relations of the solid recycling rate, the volumn recycling rate Y and the solid content of distillage, di

Abstract:紫草(Perilla frutescens)悬浮培养细胞在胞内产生并积蓄花青苷(红色素)。通过实验发现用一些渗透剂如甲苯、氯仿、聚乙二醇辛基苯基醚(Triton X—100)、二甲亚砜(dimethylsulfoxide)、醋酸和乙醇等处理培养细胞,可使细胞内的红色素释放出来。培养的紫草细胞一般在含3%蔗糖浓度的LS培养基中生长,当提高蔗糖浓度至4.0%～4.5%时,细胞生长量及色素的产量均有增加。实验结果表明,蔗糖浓度的提高不仅可以增加碳源,而且更重要的原因还可能是蔗糖渗透压的影响,在高糖浓度也即高渗透压下,细胞红色素的渗透性有所增加。

Abstract:研究了国产小麦粉各品质因素对甜酥性饼干品质的影响,结果表明,面筋的质和量均有重要影响,细度和损伤淀粉对甜酥性饼干品质有着显著影响,而α-淀粉酶活力对甜酥性饼干品质则无显著影响。可以用面团流变学试验中的形成时间、稳定时间和评价值、拉伸阻力和延伸性等指标来评价饼干专用粉的品质和甜酥性饼干专用粉的质量指标。

Abstract:Highly pure phosphatidylcholine from egg yolk can be used as good emulsifier in the high-energy infusion. The fresh egg yolk were dehydrated and defatted with acetone, and prosphilipid was extracted with aqueous alcohol, and purified by mixed solvents (he

Abstract:An isothermal adsorption equation describing the mixed adsorption of short chain amphipathic compound (SCAC) with nonionic surfactant at oil/water interface is established. The result shows that in the mixed system the solute having larger saturated adsor

Abstract:The formulas for calculating the strength of inorganic hydrogen acids are given, in order to calculate the strength of inorganic hydrogen acids quantitatively by the molecular structure of inorganic acids and their structural parameters (the ionic radius

Abstract:This paper focus on same basic theory of the aerosol can. That deduces the analytical formulae which indicates the variatio of the volume concentration of the propellant in aerosol can is deduced, and some related parameters are rationally suggested.

Abstract:The principle of microcomputer CRT CIE color atlas and the related software are introduced ,and a chief of Turbo C source program is listed.