PRODUCING AND SENSORY EXAMINE THE BISCUIT USING WHEAT FLOUR, CASSAVA FLOUR AND AFRICAN YAM BEAN FLOUR
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This work reviewed the types, uses and effects of junk foods on human health (advantages and disadvantages). The different types of junk foods include. Drinks, snacks, and phytochemicals. Their advantages includes lowering the blood lipid levels, improving arterial compliance, scavenging free radicals and inhibiting platelet aggregation. Disadvantages include the fact that the presence of phytochemicals in food may send confusing signals about how to plan healthful diet. Thus, linking the consumption of junk food with human claims should be based on scientific evidence.
I wish to express my profound gratitude to the almighty God for his strength, mercies and kindness throughout my stay in school.
My sincere thanks goes to my amiable and hardworking HOD Mrs Nzelu L.U and this research would have been nothing if not the strict supervision of my seminar supervisor Mrs Obarisiagbon I.C, who through her close supervision, endurance, guidance and correction kept me on the right track in the cause of writing this work and all the lecturers of food science & Technology dept.
My profound thanks goes to my beloved mother Mrs Bessy Madueke and my siblings especially my elder brother Mr. Emeka-Mary for his care and my friends are not left out.
My warmest regard goes to my friends: Christian, Emeka, Abuchi, Uche, Ikechukwu and host of others. May God Almighty bless you richly.
Production of biscuit using composite wheat / Abacha / African yam bean flour was investigated. Cassava root from one year old was used for the production of Abacha flour. Thin slices of boiled peeled tubers were soaked in water for 12 hours before drying and milling into Abacha flour. African Yam Bean was sorted and soaked in water 12 hours and milled into flour. Biscuit was baked with quantities of wheat, Abacha and African Yam Bean flours blended into the ratio of 100%, 90%:5%:5%, 80%: 10%:10%, 70%:15%:15% respectively. The biscuit samples were evaluated for sensory evaluation attributes. Sensory evaluation shows that the composite biscuit of 90%:5%:5%, & 80%:10%:10% were mostly preferred than that of 70%:15%:15% substitution in terms of taste, colour, texture & general acceptability.
TABLE OF CONTENTS
1.1 SCOPE / LIMITATIONS OF THE STUDY
1.2 SIGNIFICANCE OF THE STUDY
1.3 OBJECTIVE OF THE STUDY
2.0 LITERATURE REVIEW
2.1 USE OF COMPOSITE FLOUR IN BISCUIT MAKING
2.2 THE ROLE OF BISCUIT IN SUPPLEMENTARY AND EMERGENCY FEEDING
2.3 WHEAT FLOUR IN BISCUIT MAKING (DEFINITION)
2.4 NUTRITIVE VALUE OF WHEAT FLOUR
2.5 CHEMICAL COMPOSITION OF WHEAT FLOUR
2.6 ORIGIN OF WHEAT
2.7 HEALTH BENEFIT OF WHEAT
2.8 USE OF WHEAT
2.9 LIMITATIONS OF WHEAT
2.10 ORIGIN OF AFRICAN YAM BEAN
2.11 NUTRITIONAL VALUE OF AFRICAN YAM BEAN
2.12 HEALTH BENEFITS OF AFRICAN YAM BEAN
2.13 USES OF AFRICAN YAM BEAN
2.14 LIMITATIONS OF AFRICAN YAM BEAN
2.15 PROXIMATE COMPOSITION OF AFRICAN YAM BEAN
2.16 ORIGIN OF CASSAVA
2.17 ECONOMIC IMPORTANCE OF CASSAVA
2.18 USES OF CASSAVA
2.19 NUTRITIONAL IMPORTANCE OF CASSAVA
2.20 HEALTH BENEFITS OF CASSAVA
2.21 LIMITATION OF CASSAVA
2.22 RAW MATERIALS FOR BISCUIT MAKING
2.23 NUTRITIONAL VALUE OF BISCUIT
3.0 MATERIALS AND METHODS
3.1 RECIPES FOR THE PRODUCTION OF BISCUITS
3.2 FORMULATION OF FLOUR BLENDS
3.3 BISCUIT PRODUCTION
4.0 RESULT AND DISCUSSION
4.1 RESULT OF SENSORY EVALUATION
5.0 CONCLUSION AND RECOMMENDATION
Urbanization is charging the food habits and preferences of the populace towards convenient foods, which influence their nutritional intake. Most of the snacks consumed are high in carbohydrate. The use of composite flour has been encouraged since it reduces the importation of wheat.
Biscuits, which are usually produced from cereal flours (mainly wheat) are consumed extensively all over the world, including the developing counties, where protein and caloric malnutrition is prevalent particularly among women and children. The increasing phenomenon of urbanization coupled with the growing number of working mothers, have contributed greatly to the popularity and increased consumption of snack foods (Singh et al; 1989). However, this increasing importance of snack foods such as biscuit in today’s eating habits has not been fully exploited in the developing countries. This is probably as a result of the prohibitive cost of baked products (Tsen et al; 1973). Since this crops is not currently cultivated in the tropics, there is need to look inwards for local raw materials with optimum nutritive value and good processing characteristics, to substitute wheat in baked products.
Cassava (Manihot esculenta L) is the staple food of the poorer section of the population of many tropical counties rich in carbohydrate and has minute quantities of protein, vitamins and minerals (Ihekoronye and Ngoddy, 1985) which can result in malnutrition in some areas where it is the main item of diet (Kay, 1987). Although supplementation is necessary, it is not the solution of the elimination of micro nutrient deficiency disorder but rather the simple and most sustainable approach is fortification of staple food with limiting micronutrient (Ihekoronye and Ngoddy, 1985). Therefore the nutritional value of cassava root and its products such as cassava flour can be improved through food composites and fortification with other protein-rich crops with a reasonable amount of fats, vitamins and minerals (Enwere, 1998). One of such crops is the African yam bean.
The African yam bean known as Odudu, Azama or Okpodudu by the Igbo’s belongs to the family Febaceae, which was formally classified under the sub-family Papillionoides (Anon, 1979). As a legume, it has an excellent supply of B-vitamins (Apata & Ologhobo, 1990). African yam beam will result in a more nutritious diet / snacks.
1.1 SCOPE / LIMITATIONS OF THE STUDY
It is anticipated that in carrying out a study of this nature, there are limitations involved in the study. The writer encouraged a lot of unforeseen problem due to limited time given, the writer was unable to gather enough and sufficient facts which are relevant to the study.
Secondly, there was financial problem. The writer was not able to buy some of the materials like Bakery pastry booklets, get in touch with Bakery industry managers, travel for some researches etc. the polytechnic library was not fully equipped of most relevant materials that would have assisted the writer.
1.2 SIGNIFICANT OF THE STUDY
Production of biscuit form wheat flour, cassava flour and African yam bean composite flour is used in every production sector of Bakery industry that specialized in Biscuit making.
The government ahs estimated that the average Nigeria that consumed biscuit everyday is approximately 5,500 millions in different location in the country. Biscuit is named as often, the fastest and cheapest food that sustains hungry easily, with increased technological capabilities. Bakery industry has extremely similar production and services that is characteristically without distinguishing the name of the product food substance.
In a nutshell, the study is important in the following areas: To the Researcher:
i It enables the researcher acquire knowledge on how biscuit can be produced from composite flour
ii It enables the researcher acquire knowledge on different ways of using wheat, cassava and African yam bean flour in production of major pasting floured.
1.3 OBJECTIVES OF THE STUDY
The objective of this study is therefore, to produce biscuit from various blends of wheat flour, cassava flour and African yam bean flour and to determine the sensory properties of the biscuit. Meanwhile, the acceptability of biscuit baked from the flours with a view to increasing the level of the wheat flour, cassava flour and African yam bean composite flour for biscuit production as this will lead to higher utilization of cassava thereby reducing post harvest losses.