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Effects of processing methods on the physico-chemical properties of sweet potato and sorghum

 

Table Of Contents


Project Abstract

Abstract
Sweet potato and sorghum are important food crops known for their nutritional benefits and versatility in food processing. This study aimed to investigate the effects of different processing methods on the physico-chemical properties of sweet potato and sorghum. The processing methods included boiling, steaming, and roasting for sweet potato, while sorghum was processed through milling, malting, and fermentation. For sweet potatoes, the results showed that boiling led to the highest retention of total phenolic content, while roasting resulted in the highest antioxidant activity. Steaming also retained a significant amount of phenolic content compared to roasting. In terms of starch content, steamed sweet potatoes had the highest levels, followed by boiled and roasted samples. Furthermore, the color analysis revealed that roasting produced the darkest color, indicating more Maillard reaction products compared to the other methods. In the case of sorghum, milling significantly reduced the particle size and increased the surface area, which could potentially enhance its digestibility and utilization in food products. Malting showed a reduction in phytic acid content, which is beneficial for mineral bioavailability. Fermentation led to a decrease in pH and an increase in acidity, which could improve the microbial safety and shelf-life of sorghum-based products. Overall, the findings suggest that different processing methods have varying effects on the physico-chemical properties of sweet potato and sorghum. Boiling and steaming are better at retaining phenolic content in sweet potatoes, while roasting enhances antioxidant activity. For sorghum, milling reduces particle size, malting reduces phytic acid content, and fermentation improves microbial safety. Understanding the impact of processing methods on these properties is crucial for developing nutritious and functional food products from sweet potato and sorghum. Further research could focus on optimizing processing conditions to maximize the retention of bioactive compounds and sensory attributes in these crops. Additionally, exploring the potential synergistic effects of combining different processing techniques could lead to the development of innovative food products with enhanced nutritional quality and consumer acceptance.

Project Overview

INTRODUCTION

1.1 Background of the Study

Menu plays an integral role in the restaurant industries as it serves as a communication tool between the kitchen and the customer. It presents the available foods and drinks within the restaurant and their respective prices to the customers.

Though menu is found in most of the restaurant worldwide but the mode, type and method differs from restaurant to restaurant base on location, type of the targeted customers and the standard of the restaurant. These include the human menu; which makes use of verbal communication between the customer and the waiter in which the waiter verbally tells the customer the available food and the customer make his choice verbally also without any documentation. The paper menu; this type of menu, uses the pen, the paper printed with the available food and the customer make use of the pen to make his or her choice. Lastly the digital/electronic menu; this is the most accurate and efficient type which deploys information and communication technology facilities to perform its functions.

Businesses in hospitality industry based on food services have grown significantly worldwide. In the last few years where many restaurants have opted to offering various types of menus for the customer, this has increased the competition in the hospitality industry. The restaurants have to provide the best services and maintain relationships with their customer in order to survive in this competition.

One way that restaurateurs have chosen to address this issue is through the introduction of technology in the industry. The use of technology has become very diverse within the industry and ranges from minimal to extensive use and has assisted in altering the way restaurateurs conduct business (Huber, Hancer & George, 2010).

With the upsurge in Information and Communication Technology, many industries use telecommunication network as a medium of exchanging information. To overcome the problems faced by the restaurants, an application could be designed and implemented in a medium or large scale restaurant. The application is installed on each of the devices on the restaurant table. The customer can select the food from the menu application installed on the device provided on the table and then the order from the customer can be sent via the network to the kitchen.

1.2 Statement of the Problem

Though menu plays a vital role in the restaurant industry as it is seen as the key disseminator of information and provides users with detailed descriptions that serve as a guide in the ordering process. In Nigeria, especially in Bauchi of Bauchi state to be specific, almost all the restaurant within the city, still make use of the paper base menu which is error prone and slow in performance which has serious effect on customer satisfaction. Within this locality, little is known about the customer and restaurant manager views on computerized restaurant menu, and the effect of its information, the service of waiting staffs and the new technology on customer satisfaction.

1.3 Objective of the Study

The general objective of this study is to design and implement a computerized Restaurant menu and the specific objectives are:

  1. To analyze the requirement of the proposed system.
  2. To design and develop computerized restaurant menu system.
  3. To test and implement the computerized restaurant menu system.

To fill the knowledge gap on this topic (design and implementation of computerized restaurant menu system), this study seeks to investigate the following questions.

Q1. What are the views of the customers on computerized restaurant menu system?

Q2. What is the view of the restaurant management on computerized menu system?

Q3. Does the information on the menu, the waiting staff and the innovative technology on menu displaying devices affect customer satisfaction?

  • Significance of the Study

At the end of this study, computerized restaurant menu system will be design and implemented, the stance of the customer on the new system, will be determined and the effect of information on the menu, the waiting staff and the innovative menu technology on displaying devices, on customer satisfaction will be established and it conclusion shall be beneficial to the restaurateur and the scholars in the field of hotel and restaurant managemen


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