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安徽两淮地区发展优质专用小麦的现状和前景 总被引:1,自引:0,他引:1
本文分析了安徽省优质小麦品种品质水平及发展优质商品小麦的可能性。结果表明,在安徽两淮地区的生态条件下,可生产出品质达到北美硬红冬小麦水平的硬麦和澳大利亚白软麦水平的软麦。提出了不同类型商品小麦的收购品质指标,讨论了优质商品小麦的生产布局、规模和开发体制等发展战略问题。 相似文献
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陕西省小麦品种资源加工品质性状及利用研究 总被引:9,自引:0,他引:9
通过对250份小麦材料的品质分析,摸清了陕西省小麦品种资源的籽粒品质、蛋白质品质、面团流变学特性和蒸煮品质特性等品质状况,提出了利用的途径。结果表明,陕西省小麦品种资源材料的面筋强度以中筋偏弱为主,优质强筋小麦和弱筋小麦材料较少。本省小麦品质改良应重点利用优质硬麦和优质软麦资源材料,改造不软不硬的中间类型。面粉加工企业则应合理利用有限的优质小麦,通过与中筋小麦混配生产优质小麦粉。 相似文献
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本文阐述一些亚洲国家和欧美发达国家成品粮人均年消费量、原粮生产、面粉消费状况;及一些国家的面粉品种分配和我国面粉品种分配估计;并介绍欧美发达国家小麦品质分等和用途及日、韩等国情况;我国小麦品质、面粉品质和两者适应性;最后根据我国软麦较多的国情;扼要介绍国际上现代软麦粉加工、蛋糕粉生产和曲奇饼生产技术。 相似文献
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我国小麦硬度质量状况和硬度分类的研究 总被引:2,自引:1,他引:1
籽粒硬度与小麦制粉品质有密切的关系.利用单颗粒谷物分析系统(SKCS)对我国2006年收获的1361份商品小麦样品,687份品种小麦样品的硬度质量状况进行分析.结果表明:我国商品小麦中硬麦、软麦分别占35.2%、7.2%,软麦比例偏低,不同硬度小麦混杂严重.品种小麦中硬麦、软麦分别为60.1%、10.4%,软麦比例仍然偏低,小麦硬度的一致性较好.利用国产JYDB100型小麦硬度测试仪得到的硬度指数值与SKCS测试结果呈极显著正相关(r=0.935),根据AACC对小麦硬软的分类和SKCS与JYDB100的关系,对我国小麦的硬度分类提出建议. 相似文献
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A methodology to adapt dishes for cerebral palsy (CP) dysphagic people was developed. Five conventional dishes were cooked, blended and texturized with mixtures of thickeners and gelling agents based on xanthan gum. The most appropriate texturizing agents were selected, the textural thermostability of the dishes was studied, and the shelf-life was evaluated by back extrusion, sensory and microbiology analysis. Information about the acceptability of the adapted dishes by CP dysphagic people was obtained through the control of the consumed fraction and the liking or disliking reaction after eating the dishes. The adapted dishes considered suitable for swallowing process showed maximum force between 6.2(0.1) N and 18.9(3.3) N, minimum force between −3.9(0.3) N and −9.2(1.3) N, and Fmin/Fmax ratio between 0.4(0.0) and 0.7(0.0). Regarding sensory characteristics, the adapted dishes showed low stickiness, residue and firmness, and high suitable texture score. The methodology was appropriate for developing suitable dishes, sensorially accepted by dysphagic people, thermostable for 7 days refrigerated storage and ready-to-eat.Industrial relevanceThis study presents the technological basis for the standardized design of suitable ready-to-eat dishes for dysphagic people. The methodology developed is of great interest to the industry of ready-to-eat dishes. 相似文献
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The authors propose a calculated protein utilization coefficient. This coefficient considers the difference between the utilization rates of the proteins being contained in the mixture and their amino-acid composition. The proposed formula allows calculations by computer. The data obtained show high correlations with the results received by biological tests with Tetrahymena cultures. 相似文献
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Angel U. Valdez-Peña Judith D. Espinoza-Perez Georgina C. Sandoval-Fabian Nagamani Balagurusamy Adriana Hernandez-Rivera Iliana M. De-la-Garza-Rodriguez Juan Carlos Contreras-Esquivel 《Food science and biotechnology》2010,19(2):553-557
Food grade proteolytic enzymes were examined for deproteinization of shrimp head. Shrimp head was easily deproteinized by Alcalase ® and trypsin at a pH of 8.0. Alcalase was chosen as the most efficient commercial enzyme for deproteinization of shrimp head. Alcalase treatment of shrimp head recorded 61% of weight loss on dry basis and a residual protein of 275 mg/g dried shrimp head. The enzymatically deproteinized shrimp head was later demineralized with lactic acid using microwave radiation at 400W. The combination of enzymatic and physicochemical treatments promoted the chitin recovery from dried shrimp head under eco-friendly conditions. 相似文献
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建立单核细胞增生李斯特氏菌(Listeria moncytones,LM)快速、敏感、特异的PCR检测方法.利用FTA滤膜提取模板DNA,采用PCR特异性扩增单增李斯特菌的溶血素基因(HIyA),并评价该方法的特异性与灵敏性.引物能特异性的扩增单增李斯特的HIyA基因,而其他细菌的扩增结果均呈现阴性:利用FTA滤膜提取模板直接检测单增李斯特具有较高的灵敏度,灵敏度为l 02 cfu/mL.利用FFA滤膜提取模板,操作简便,成本低且具有较高的灵敏度,为食品中单核细胞增生李斯特氏菌的快速检测提供新的手段. 相似文献
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按照GB228—87《金属拉力试验法》中的公式计算断面收缩率既费时又复杂。在对原公式作进一步推导之后得出一新的计算式,按此公式可快速、难确地计算出值。 相似文献