are food science and technology too broaad for a research?im going to talk about their differences

Absolutely too broad.

There are several really good links to webpages in these search results that will help you:
http://www.google.com/search?q=how+to+narrow+research+topic&ie=utf-8&oe=utf-8&aq=t&client=firefox-a&rlz=1R1GGLL_en___US379

is this thesis statement for my reseach okay>?

The three common food additives that should be avoided are sodium, artificial coloring, and diacetyl.

Yes, that is an excellent thesis.

Thank you Miss Sue!:]

You're welcome.

Food science and technology can be broad areas of research, but it ultimately depends on the specificity of the research topic you choose. Both fields deal with the study of food, but they have slightly different focuses.

Food Science is mainly concerned with understanding the physical, chemical, and biological properties of food. It involves conducting experiments to analyze food components, study food preservation methods, develop new food products, and enhance the nutritional quality of foods. For your research, you might consider exploring specific areas of food science, such as the impact of processing techniques on food quality or the development of novel food safety techniques.

Food Technology, on the other hand, involves the application of scientific and engineering principles to develop and improve food processing techniques, packaging methods, and food preservation methods. It primarily focuses on the development and optimization of processes and technologies used in the food industry. For your research, you could delve into specific food technologies like thermal processing, freeze-drying, or novel packaging materials.

To narrow down your research topic in food science and technology, consider the following steps:

1. Identify your specific interests: Determine which aspects of food science and technology you find most intriguing. This could include microbiology, food chemistry, sensory analysis, or food engineering.

2. Review existing literature: Conduct a literature review to understand current research trends and identify gaps in knowledge. This will help you find a unique angle or research question to address.

3. Consult with experts: Seek advice from professors, researchers, or professionals in the field to get their perspective on potential research topics and suggestions for narrowing down your focus.

4. Choose a specific research question: Based on your interests and literature review, formulate a research question that is specific and manageable. This helps ensure that your research remains focused and feasible.

Remember, it is important to strike a balance between a broad enough topic that allows for comprehensive research and a specific enough question that can be effectively addressed within the scope of your study.