How do coffee beans become coffee grounds?

Coffee grounds are the remnants of coffee beans after they've been ground and brewed. They play an important role in making delicious coffee, but they can also be repurposed. Here's how to turn coffee beans into useful coffee grounds.

First of all, when we brew a cup of fragrant coffee, we use freshly ground coffee beans. After these beans are carefully selected, washed and dried, they are sent to professional equipment for grinding. This step is very critical because only particles of appropriate size and uniformity can ensure the best taste.

However, during the brewing process, not all soluble substances are completely transferred to the water. Some of them remain on the filter paper or filter to form solid residues - coffee grounds. These residues include oils, proteins and other compounds.

Secondly, after we enjoy a perfect cup, we can think about how to reuse these leftover materials. A simple and practical way is to use coffee grounds as fertilizer. Since coffee grounds are rich in nutrients such as nitrogen, phosphorus and potassium, they can provide necessary nutrients for plants.

Sprinkling coffee grounds on garden soil or mixing them into the soil in pots can help improve soil structure and increase water retention capacity. In addition, coffee grounds have antioxidant and antiseptic properties, which can help protect plants from pests and diseases to a certain extent.

In addition to being used as fertilizer, coffee grounds can also be used for household cleaning. Due to their fine particles and strong adsorption properties, they can be used for tasks such as removing grease from the bottom of pots, cleaning kitchen countertops, and decontaminating oil spills on floors.

In addition, some people in the beauty field use coffee grounds for body scrubs or facial exfoliation. By gently massaging the surface of the skin and mixing it with the appropriate carrier oil, these fine particles can help remove dead skin cells and stimulate blood circulation.

In summary, coffee grounds are the residue left after coffee beans are ground and brewed. They can be reused in many ways, such as as fertilizer, cleaning agent or beauty product. In this way, we can not only enjoy delicious coffee, but also minimize waste and protect the environment.