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摘要薏苡仁是我国传统的药食两用的保健食品，含有丰富的蛋白质、碳水化合物、脂类、矿物质以及灰分等成分，具有降压、降血糖和抗炎作用，性寒甘，利水健脾，正是大众所需求的“绿色食品”。但由于薏米的颗粒质地坚硬，正常蒸煮很难使其糊化，不易加工。本文以膨化薏米为原料，利用质构仪，采用单因素及正交分析方法，综合感官测定的结果，确定了膨化薏米酥性饼干的最佳配方为：（以薏米粉与面粉的总重量为100%）薏米粉12%、油脂25%、糖粉20%、疏松剂1.3%。以此最佳配方生产出的产品口感疏松适口，风纯正，品质优良。其中，油脂添加量对产品感官品质影响最大，其次是薏米粉的添加量、疏松剂的添加量和白砂糖添加量。37767
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毕业论文关键词挤压膨化；薏米；饼干；配方
The Research and Development of Coix Seed Puffed Food
Abstract
Coix seed is Chinese traditional medicine and health food, it is rich in protein, carbohydrates, lipids, minerals, and the composition such as ash, antihypertensive, fall blood sugar and anti-inflammatory effects bitter in taste and cold-natured,invigorating spleen for diuresis, it is the popular demand of "green food". But as a result of coix seed particles hard, normal cooking is very difficult to make its gelatinization, not easy processing. Taking puffing coix seed as raw material, using the texture analyser, using the single factor and orthogonal analysis method, the comprehensive sensory determination results, identified the best prescription puffing of semen coicis crisp biscuit is: (to the total weight of coix seed powder and flour 100%) coix seed powder 12%, oil 25%, sugar 12%, loose agent 1.3%. To the best formula to produce a product texture osteoporosis sweetness that good flavor and high quality. Among them, the oil content had the greatest influence on product quality, the second is the coix seed powder to add quantity, bulking agent amount and the amount of sugar added.
Key Words: Extrusion；Coix seed；Biscuits；Formulation
目 录
摘要 I
Abstract II
1绪论 1
1.1薏米及其功能简介 1
1.2薏米加工利用的现状 2
1.3本课题研究的目的和意义 3
2材料、仪器与方法 4
2.1实验材料 4
2.2实验仪器 4
2.3实验方法 5
2.3.1薏米酥性饼干配方的单因素研究 5
2.3.2薏米酥性饼干配方的多因素研究 5
2.3.3质构分析 5
2.3.4薏米酥性饼干评定指标 5
2.3.5糊化度的检测 6
2.3.6产品理化指标的检测 6
3结果与分析 8
3.1薏米酥性饼干配方的确定 8
3.1.1薏米酥性饼干配方的单因素分析 8
3.1.2薏米酥性饼干配方的正交试验分析 11
3.2糊化度的测定结果 12
3.3薏米酥性饼干主要组成成分测定结果 13
3.4薏米酥性饼干质构测定及感官评价 13
结 论 14
参 考 文 献 15
致 谢 17
1绪论
1.1薏米及其功能简介
薏苡仁又名薏米、薏仁、苡仁等，其别名有土玉米，起实、薏珠子、回回米、米仁、优尔谷子等30多种[1]，英文名称为Coix Seed，俗称为米仁。薏苡仁是我国传统的药食两用的保健食品，具有降压、降血糖和抗炎作用；性寒甘，利水健脾，中医常将其用于脾虚湿滞等症[2]。