亲爱的研友该休息了!由于当前在线用户较少,发布求助请尽量完整地填写文献信息,科研通机器人24小时在线,伴您度过漫漫科研夜!身体可是革命的本钱,早点休息,好梦!

Towards optimisation of rolling process of potato dough: Effect of processing on the microstructure and the mechanical properties

极限抗拉强度 材料科学 成形性 微观结构 复合材料 马铃薯淀粉 食品科学 淀粉 化学
作者
Ruoyu Zhang,Alan Stannard,G. Street,Ambrose C. Taylor,M.N. Charalambides
出处
期刊:Journal of Food Engineering [Elsevier BV]
卷期号:291: 110314-110314 被引量:6
标识
DOI:10.1016/j.jfoodeng.2020.110314
摘要

The quality of potato chips is highly dependent on the mechanical properties of the dough sheet produced prior to frying. It has been well established that poor mechanical properties result in fragile dough sheets and associated high product wastage. However, the effect of the rolling process on the mechanical properties of the dough is unknown so the optimum rolling process can only be obtained via a trial and error approach. This work reports for the first time the effects of dry flake size and rolling parameters on the mechanical performance of potato dough sheets. The laboratory scale rolling setup used a 10 cm roller diameter with a 0.2 mm gap height. Furthermore, an experimental method was developed enabling rigorous tensile testing of fragile potato dough sheets. The mechanical performance of the potato dough sheets was anisotropic, as the Young's modulus and strength were 35% and 57% higher across the rolling direction than those along the rolling direction, respectively. The formability, i.e. the ability to form a coherent sheet of the potato dough is improved by using smaller dry flakes (<500 μm). However, further decrease in the flakes size had no effect on the mechanical behaviour of potato dough sheets, i.e. flakes with diameter smaller than 212 μm showed similar tensile response to flakes smaller than 500 μm. Rolling the dough increases the coherence and the strength of the potato dough sheets, but also introduces defects orientated across the rolling direction which decrease the strength if the dough is rolled too many times. For example, sheets rolled for seven passes showed over 100% improvement in failure stress comparing to sheets rolled for five passes, but when the sheets were rolled for the eighth pass, the failure stress dropped by 17%. Due to the viscoelasticity of the dough, both the tensile modulus and strength of the sheets are higher when tested at higher strain rate. In addition, at higher strain rate, the defects in the sheets did not have enough time to grow, as evidenced by a lower scatter in failure stress. A method to obtain an optimum production condition has been identified, which will lead to fewer production interruptions due to dough breakage, and reduced waste.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
14秒前
wbs13521完成签到,获得积分0
29秒前
47秒前
儒雅致远发布了新的文献求助10
51秒前
55秒前
Hello应助儒雅致远采纳,获得10
1分钟前
正在获取昵称中...完成签到,获得积分10
1分钟前
1分钟前
爆米花应助xiongdi521采纳,获得10
1分钟前
1分钟前
xiongdi521发布了新的文献求助10
1分钟前
xiongdi521完成签到,获得积分10
1分钟前
mmyhn发布了新的文献求助10
1分钟前
2分钟前
2分钟前
Liiiiiiiiii发布了新的文献求助10
2分钟前
三水完成签到 ,获得积分20
2分钟前
小净完成签到 ,获得积分20
3分钟前
cccttt完成签到,获得积分10
3分钟前
mmyhn发布了新的文献求助10
3分钟前
Echo完成签到,获得积分10
3分钟前
无花果应助zzx采纳,获得10
3分钟前
可爱的香菇完成签到 ,获得积分10
3分钟前
3分钟前
dovejingling完成签到,获得积分10
3分钟前
lulu发布了新的文献求助20
3分钟前
Jasper应助科研通管家采纳,获得10
3分钟前
顾矜应助科研通管家采纳,获得10
3分钟前
3分钟前
李沐唅完成签到 ,获得积分10
3分钟前
核桃发布了新的文献求助30
3分钟前
4分钟前
阿凯完成签到 ,获得积分10
4分钟前
zzx发布了新的文献求助10
4分钟前
zzx完成签到,获得积分10
4分钟前
小泉完成签到 ,获得积分10
4分钟前
星辰大海应助高兴的忆曼采纳,获得10
5分钟前
英姑应助核桃采纳,获得10
5分钟前
科研通AI5应助核桃采纳,获得10
5分钟前
科研通AI5应助核桃采纳,获得10
5分钟前
高分求助中
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3990045
求助须知:如何正确求助?哪些是违规求助? 3532108
关于积分的说明 11256354
捐赠科研通 3270943
什么是DOI,文献DOI怎么找? 1805146
邀请新用户注册赠送积分活动 882270
科研通“疑难数据库(出版商)”最低求助积分说明 809228