The video discussed the different types of coffee beans and how they influence the taste of the coffee. The two main types of coffee beans are Arabica and Robusta, each with its own unique characteristics. Arabica beans are known for their smoother taste and higher acidity, while Robusta beans are more bitter and have a higher caffeine content. The video also mentioned the importance of the roasting process in bringing out the flavors of the beans. Lighter roasts preserve more of the bean's original flavors, while darker roasts have a stronger, more caramelized taste. It was emphasized that the best coffee is subjective and depends on individual preferences. Factors such as origin, roast level, and brewing method all play a role in determining the final taste of the coffee.