Antioxidants are substances that prevent the adverse effects of oxygen. They are a type of substance that can help capture and neutralize free radicals, thereby eliminating the harm of free radicals to the human body.
Antioxidants are food additives that can prevent or delay the food oxidation, improve food stability, and extend storage period. The correct use of antioxidants can not only extend the storage period and shelf life of food, bring good economic benefits to producers and consumers, but also bring better food safety to consumers.
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Awkward habits
Earthworms, commonly known as "Dilong" in traditional Chinese medicine, are highly valued for their economic and ecological benefits. Often referred to as the "engineers of the soil," earthworms play a crucial role in maintaining soil health by aerating it through their burrowing activities and improving its structure. This process enhances root development and nutrient availability, making them beneficial for crop growth.
These versatile creatures have a broad diet, feeding on various organic materials, including decaying leaves, plant residues, animal manure, and even industrial waste such as paper mill or winery byproducts. Due to their ability to break down organic pollutants, they are widely used in waste management and environmental remediation. In addition, earthworms are rich in protein, making them an effective and sustainable source of animal feed, especially when cultivated alongside crops like alfalfa.
Beyond their ecological value, earthworms also hold significant medicinal importance. They are believed to possess properties that help reduce fever, relieve spasms, ease asthma symptoms, lower blood pressure, promote urination, and improve circulation.
In terms of behavior, earthworms are nocturnal and prefer moist, well-ventilated environments. During the day, they typically burrow 10 to 20 cm deep into the soil. They are sensitive to light, salt, and tannins, and avoid these substances. Earthworms are particularly fond of sweet and sour foods, such as rotten fruits, but tend to avoid bitter or salty materials. Their ideal habitat is loose soil with a temperature between 15°C and 25°C, humidity of 60% to 70%, and a slightly acidic to neutral pH (6.5 to 7.5). When conditions become unfavorable, they may surface to escape.