ipl-logo

Starch Research Paper

1137 Words5 Pages

Process parameters: • Screw configuration: The screw speed is responsible for the rate of shear development and the mean residence time of the feed. The heat dissipation from the mechanical energy input to dough depends on screw speed, which in turn influences dough viscosity. . • Length to diameter ratio Length to diameter ration determines the residence and the cooking rate .The length to diameter ratio cannot be altered and is fixed. • Die geometry Diameter, shape, number of dies, rotating blade speed affects the product. • Heating and cooling rate In some extruders, external heating is provided by steam injection or electrical induction. Alternatively cooling can be done to maintain specified temperature by circulating …show more content…

Natural biopolymers of raw materials such as cereals or tuber flours are rich in starch. Most commonly used materials are wheat and corn flours, but many other materials are also used such as rice flour, potato, rye, barley, oats, sorghum, cassava, tapioca, buckwheat and pea flour. Starch undergoes several significant structural changes, which include gelatinization, melting, and fragmentation ( Kokini, et al). Starch is one of the most important raw materials in the food industry because of its properties are a low gelatinization temperature , a low tendency to retrograde, no residual protein , non-bran flavor, high viscosity, high water binding capacity, bland taste, translucent paste and relatively good stability . • Protein content: The protein rich materials such as pressed oilseed cake from soya, sunflower, rape, field bean, fava beans or separated proteins from cereals such as wheat (guten) (Guy, 2001). Due to their low heat treatment these proteins assist with expansion and binding during extrusion. Proteins are denatured especially at high temperature but can be used as livestock or pet. Vegetable protein sources cannot be exclusively used in pet foods as they do not provide all of the essential amino acids.animal proteins cannot be extruded as they become non functional

Show More
Related

  • Calorico Research Paper

    590 Words  | 3 Pages

    Calico Storico is a little known violent game. The first reason is because of how the game is set up. The second reason is because the sport itself is almost a rite of passage. The sport is a tradition that has been passed down from generation to generation for an estimated 400 years to 600 years.

    Read More

  • What Is The Product Strategy Behind The Taste Of Honey Nut Cheerios

    298 Words  | 2 Pages

    The taste of Honey Nut Cheerios was made to be somewhat sweet but yet healthy. The cereal is primarily made of whole grains, and was made with many vitamins and minerals that your body needs each and every single day. therefore, having healthy both and sweet things within the cereal has helped the cereal to feel more healthy but have a taste that people truly enjoy and want to come back for. The product strategy behind the taste of Honey Nut Cheerios was to make it with a taste that is fitting with all types of people, and that is exactly what they did. Look: The look of Honey Nut Cheerios is circular and brown.

    Read More

  • Star Food Summary

    529 Words  | 3 Pages

    In the short story “Star Food” by Ethan Canin; Dade ,the main character, is plagued by his own curiosity. In the past his mother and father have been at odds as to what Dade should do with his time. When the story progresses Dade’s mother urges him to make a discovery whilst laying on the roof of their grocery store. On the other hand, his father urges hard-working values so that he can achieve a good life. At the end, Dade begins to intral himself with a old poor women, who regularly steals from the grocery store.

    Read More

  • Fructose Corn Syrup Research Paper

    1096 Words  | 5 Pages

    Many people want to believe old age will kill them, but more than likely, the killer will come from what they put into their bodies. Every day, people are faced with affecting their own health. To do so, one must be conscious of what their temple receives; this means people must watch what they eat. People must look at the ingredients contained in everyday foods, what those ingredients cause to happen in the body, and the effects the ingredients have on the body, like the ingredient high fructose corn syrup. The amounts of overconsumed and unhealthy contents of high fructose corn syrup (HFCS) need to be replaced by natural sugars.

    Read More

  • Food Desert Research Paper

    956 Words  | 4 Pages

    Monea’ Holmes Freshman English 2 Professor Williams Food Deserts Food deserts are spaces that are at least a mile or more over from any super markets and/or shopping centers. They are usually located in places where most of the people who live there do not have reliable transportation. Most businesses in food deserts have corner stores and fast food restaurants, but there usually are not any healthy food places or choices in the area. Supermarkets have been harshly judged for leaving out a large population of the Black and Latino population in cities such as Memphis, Los Angeles and Detroit. These cities are desperate for more healthy food besides the many fast food places they have to offer.

    Read More

  • Short Summary Of Star Food By Ethan Canin

    476 Words  | 2 Pages

    In the short story, by Ethan Canin, “Star Food,” a boy named Dade is faced with struggles with his parents that have different points of views as his mother is an optimistic woman that wants Dade to keep dreaming. On the other hand, Dade’s father who is a realist wants Dade to carry the name and own Star Food after his father, he also wants Dade to work in store efficiently. They both wanted different things for his future, but everything changes when a poor, thieving woman enters their lives and steals from their store. The biggest question in “Star Food” is why Dade let the woman go. I believe Dade let the woman go because he felt like he wasn’t cut out for the life his father lived, and wanted to be more distinct than his strict father.

    Read More

  • Food Desert Research Paper

    593 Words  | 3 Pages

    According to RHI-Hub.com, Access to healthy and reasonable food can be a challenge for rural residents, unrelatedly of income level. Due to financial factors such as a low capacity of trades, many rural areas lack food shops and could be considered “food deserts.” Which are areas where there is limited availability of fresh, affordable foods. People who shop at rural communities may trust on less expensive and less nutritious options, such as those available at a gas station convenience store, than take a long drive to the grocery store that stocks fresh produce, milk, eggs, and other staples. In this paper I’m going to be talking about the effects of food deserts and how it effects peoples lives, how being in Rural cities such

    Read More

  • Corn In Upton Sinclair's The Jungle

    1771 Words  | 8 Pages

    Moreover, corn has been found to be an extremely versatile victual. Michael Pollan (2008) even stated: Corn is the great raw material. You get that big fat kernel of starch and you can break that down and reassemble it. You can make high-fructose corn syrup. You can make maltodextrin and diglycerides and xanthan gum and ascorbic acid.

    Read More

  • Frederick Sanger Research Paper

    281 Words  | 2 Pages

    Firstly, it was readily available one of the few pure proteins

    Read More

  • Macromolecules Lab Report

    1486 Words  | 6 Pages

    Introduction The purpose of this lab is to use control variables to help identify different macromolecules. Biological systems are made up of these four major macromolecules: carbohydrates, lipids, proteins and nucleic acids. Carbohydrates are sugar molecules (monosaccharides, disaccharides, and polysaccharides) which make them the most abundant macromolecule on the earth. Lipids (oils and fats, phospholipids and steroids) are insoluble in water and perform many functions such as energy source, essential nutrients, hormones and insulators (Lehman, 1955).

    Read More

  • Build Muscle Fast Research Paper

    784 Words  | 4 Pages

    Whether getting ready for the beach, trying to impress that special someone or being just too scrawny; some people want to know how to build muscles fast. This article is for people who want to have a nice looking muscular body and who would like to get there in a relatively short period of time. Building muscles fast requires a lot more than just pumping iron at your local gym or in your basement. There are many elements that you to need to consider in order to get the body that you desire, such as€¦ * the right diet (knowing what kinds of food you need to help reach your goal) * the right amount of meals (three meals and two or three snacks a day) * the right type of exercises (different exercises for different parts of your body)

    Read More

  • Gas Chromatography Lab Report

    1545 Words  | 7 Pages

    INTRODUCTION A gas chromatograph (GC) can be utilized to analyze the contents of a sample quantitatively or in certain circumstances also qualitatively. In the case of preparative chromatography, a pure compound can be extracted from a mixture. The principle of gas chromatography can be explained as following: A micro syringe is used to inject a known volume of vaporous or liquid analyte into the head or entrance of a column whereby a stream of an inert gas acts a carrier (mobile phase). The column acts as a separator of individual or chemically similar components.

    Read More

  • Essay On Commercial Pet Foods

    709 Words  | 3 Pages

    Depending on the processing methods employed to produce them, commercial pet foods fall into one or the other of the following two categories: heat-treated and raw. So-called 'heat-treated ' pet foods are processed using all-too-often excessive levels of heat. These foods are baked, cooked (canned), extruded, or heat-dried (often the case with kibble- or pellet-type pet foods). Diets based on such heat-treated pet foods are probably the least desirable in terms of maintaining the health and general well being of most animals. Heat processing of food destroys all enzymes, many vitamins and antioxidants, and changes the molecular structure of proteins and even fibers.

    Read More

  • Everyday Food Research Paper

    1512 Words  | 7 Pages

    Everyday food Abstract The article discusses the role of food as an instrument of identity and a channel of contact through cultures. This is discussed drawing from three cases of Italian food culture hybridization spanning from the early 20th century to the first decade of the 2000s: the role of Italian food in Italian-American identity as depicted in Leonardo Coviello’s work; the meeting of Southern and Northern food cultures following the Italian internal migrations in the ‘50s and ‘60s; the food practices of international migrants in the context of the global flows of people and commodities in present day Italy. In this regard, food plays an essential role in the rebuilding of a familiar context in which migrants can feel temporarily

    Read More

  • Advantages And Disadvantages Of Chitosan

    1700 Words  | 7 Pages

    In most foods, microbial contaminations occur predominantly at the surface, meaning using edible films such as chitosan allows minimal space between the foods’ surface and its’ environment. However, the coating has weak mechanical properties, and is permeable for gas and water vapour. Blending chitosan with starch improves its mechanical properties and allows a better novel food preservative. ADVANTAGES: - As chitosan is the second most abundant carbohydrate after cellulose, it’s not unusual that its waste exceeds 25bn tonnes per year.

    Read More

More about Starch Research Paper

Open Document