A. Overview Garlic, scientifically known as Allium sativum, is a familiar spice in daily meals that has very good effects on human health. Garlic is rich in nutrients. According to research, in 100g of garlic contains 6.36g of protein, 33g of carbohydrates, 150g of calories and nutrients such as vitamins of group B (B1, B2, B3, B6), iron, calcium, potassium, manganese, magnesium, phosphorus,. .. The main active ingredients in garlic are sulfur organic compounds and glycosides. In addition, garlic is also high in germanium and selenium. In particular, the germanium content in garlic is higher than that of medicinal herbs such as ginseng, green tea, red tea, etc. The basic effects of garlic mainly come from allicin. In fresh garlic there is no free allicin, only its precursor is alliin. When garlic is minced, the enzyme in garlic is activated which stimulates alliin to form allicin. Currently, in aquaculture, garlic extract is also widely used in the treatme...