色素

The application of maizeyellow pigment in food showed that the colour of butterine and candy added pigment were bright and good. Absorency of pigment in butterine degraded slightly in natural light three months later. It illustrated that maizeyellow pigment was stable and can be used in food.

玉米黄色素在食品中应用的研究结果表明：添加色素的人造奶油、硬糖色泽鲜艳、感官良好，将其保存三个月，自然光下色素的吸光度值下降较少，说明玉米黄色素性质较稳定，完全可以应用到食品中。

Amyloidosis cutis dyschromica is a rare distinct type of primary cutaneous amyloidosis characterized by the presence of widespread hypopigmented as well as hyperpigmented macules. We herein report a 25-year-old male showing diffuse hyperpigmentation as with hypopigmented spots over his whole body but sparing his lace, hands and feet from the age of 8 years.

色素异常性皮肤淀粉样变性症是原发性皮肤淀粉样变性症的一个罕见而独特的亚型，其特徵是在皮肤出现广泛的色素沉著及色素脱失的斑点；我们在此报告一位25岁男性自八岁起在全身皮肤出现广泛的色素沉著及色素脱失约斑点，病灶并未侵犯其脸部、手掌、及脚掌。

Content of Chla,β-carotene and zeaxanthin of S. platensis grown in Se decreased, violaxathin, fucoxanthin, 19'-hexanoyloxyfucoxanthin and peridinin increased, Chla and Chlb of D. salina also decreased, but carotene increased, all pigments of D. zhanjiangensis increased except violaxanthin and 19'-hexanoyloxyfucoxanthin decreased. Effect of Ge on pigments of microalgaes were different in different algaes: Chla,β-carotene and zeaxanthin of S. platensis decreased, three other carotene increased, in D. salina, violaxanthin and lutein decreased, violaxathin, fucoxanthin and 19'-hexanoyloxyfucoxanthin increased, all pigments of D. zhanjiangensis increased except fucoxanthin and peridinin decreased; Chla,β-carotene and violaxanthin of Chlorella sp increased, but fucoxanthin and peridinin decreased.

暴露于硒中的钝顶螺旋藻（S.platensis）的叶绿素A、β-胡萝卜素和玉米黄素的含量都减少，岩藻黄素、19'-乙酰氧化岩藻黄素、多甲藻素和紫黄素的含量明显增加，盐生杜氏藻的叶绿素类也减少，但类胡萝卜素的含量则增加，湛江叉鞭金藻（D.zhanjiangensis）中除紫黄素和19'-乙酰氧化岩藻黄素有减少外，其它色素都增加；锗对四种微藻光合色素的影响也不尽相同，钝顶螺旋藻（S.platensis）的叶绿素A、β-胡萝卜素及玉米黄素含量减少，岩藻黄素、19'-乙酰氧化岩藻黄素和紫黄素的含量增加，盐生杜氏藻中除紫黄素和叶黄素有增加外，其它色素都减少，湛江又鞭金藻（D.zhanjiangensis）正相反，除岩藻黄素和多甲藻素有减少外，其它色素都增加，小球藻的叶绿素A、β-胡萝卜素和紫黄素增加较大，但岩藻黄素和多甲藻素则减少。

The pigment was stabile in condition of heat or reducing agent and was influenced by strong oxidizer.

通过考察热、还原剂和氧化剂对色素稳定性的影响，表明该色素是对热、还原剂稳定的天然色素，而强的氧化剂对色素稳定性有一定影响。

To study the application of pokeberry pigment in the food containing Fe,with fresh pokeberry juice as experimental material,the effects of Fe and EDTA-2Na in food on the stability of pokeberry pigment were investigated by adding Fe and EDTA-2Na in the pigment solution.

为探索天然商陆色素在含F e食品中的应用，以商陆果色素原液为试验材料，通过添加F e与EDTA-2N a的方法，研究了食品中F e对商陆色素稳定性的影响及EDTA-2N a对改善含铁食品中商陆色素稳定性的效果。

To study the application of pokeberry pigment in the food containing Fe, with fresh pokeberry juice as experimental material, the effects of Fe and EDTA-2Na in food on the stability of pokeberry pigment were investigatedby adding Fe and EDTA-2Na in the pigment solution.

为探索天然商陆色素在含Fe食品中的应用，以商陆果色素原液为试验材料，通过添加Fe与EDTA-2Na的方法，研究了食品中Fe对商陆色素稳定性的影响及EDTA-2Na对改善含铁食品中商陆色素稳定性的效果。

Anthocyanidin extract in methanol showed 3 absorption peaks, at 270, 340 and 520 nm, in the UV-vis spectrum, with bathochromic and hypsochromic shift with methanol+AlCl3 and methanol+AlCl3+HCl, respectively; the ratio of the absorbance at 440 nm to that at 520 nm was 0.29. No fluorescence occurred under UV irradiance, and 5 absorption peaks occurred at 270 nm after HPLC. Five molecular ion peaks occurred on MS: 595, 381, 611, 587 and 571, respectively, and monosaccharides in the extract were identified as rhamuose and glucose on HPLC.

一品红花色素的甲醇溶液分别在270、340 和520 nm 处有 3 个吸收峰；在 440 nm 吸光度与可见光最大吸收波长 520 nm 吸光度的比值为0.29；花色素的甲醇溶液中加入AlCl3后发生红移，再加入HCl后发生蓝移；色素溶液在紫外光下无荧光；色素样品经液相色谱分离后在 270 nm检测有 5 个比较明显的吸收峰；质谱中得到 595、611、381、571 和 589 等对应的分子离子峰；花色素酸解液高效液相色谱图谱和鼠李糖、葡萄糖的出峰时间一致。

These results suggest that anthocyanidin in E. pulcherrima mainly include cyanidin 3-rutinoside, delphinidin 3-rutinoside, cyanidin 3- benzoylglucoside, delphinidin 3-benzoylglucoside and an unknown component.

由这些结果可推断一品红花色素样品中主要含有 5 种组分：矢车菊花色素芸香苷、飞燕草花色素芸香苷、飞燕草花色素苯甲酰基葡糖苷、矢车菊花色素苯甲酰基葡糖苷和一种未知成分。

The results of physicochemical tests showed that the pigment was a kind of water dissolvable pigment with heat stability.

榛子壳棕色素为水溶性色素，具有良好的耐热性；强光长时间照射会影响色素的稳定性；在pH值4~12范围内，色素稳定性良好；Na，K，Ca(上标 2+)，Al(上标 3+)，Mg(上标 2+)对色素无影响，但Fe(上标 3+)，Cu(上标 2+)，Zn(上标 2+)对其影响较大；色素对常见的食品添加剂稳定，但柠檬酸使其发生轻微褪色。

It was found from the structure-electrochemical studies of cytochrome c that (1) the secondary and tertiary structural changes of cytochrome c are greatly influenced by the reductions of tyrosine residues and iron ions in heme;(2) the reduction reaction dose not induce the configuration transition;(3)α helix, parallel β sheet, antiparallel β sheet and random coil take part in the complex secondary structural transitions;(4) mechanism and parameters about the electroreduction have also been obtained.

在细胞色素c的结构-电化学研究中发现：（1）细胞色素c的二级和三级结构受电场和酪氨酸残基及血红素中Fe的电化学还原的影响，其中酪氨酸残基还原的影响较大；（2）细胞色素c的电化学还原没有发生构型转化现象；（3）细胞色素c参与二级结构变化的构象有α螺旋，平行β折叠，反平行β折叠和无规卷曲；各组份随电位的变化复杂；（4）获得细胞色素c电化学还原的机理和参数

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。