The video starts talking about the principal thing to understand and be careful about food safety: bacteria.
It is mostly talked about but misunderstood by many. So in the first module of Dr. X Quest for Food Safety, he talks about ways of understanding the bacteria, as its structure and how it can grow and expand fast, spreading quickly to other things, foods or inside us when ingested. He also talks about ways of taking care in the preparation and cooking, known as the four C's of food safety: cleaning, cooking, chilling and cross contamination, to help us protect against deadly bacterias. There are the good and the bad bacterias, witch can be much dangerous and deadly. Dr. X also lists the twelve most unwanted bacterias that are in the group of the bad ones, as E.coli and Salmonell, that are not easily detected as others.
Although with all these informations, in the beginning he explains that food safety has everything about bacteria, making "the role of bacteria in food safety" the principal subject on the first module of the video.
The subject of “Understanding Bacteria,” the first module in Dr. X and the Quest for Food Safety is: the role of bacteria in food safety.
The subject of a text or literary work is the main theme that is highlighted in the text. In the section “Understanding Bacteria,” Dr. X explained the nature of bacteria and how it can negatively impact food safety.
Overall, the central message in the text is the role of bacteria in food safety.
Learn more about the theme of a text here:
https://brainly.com/question/4008478
