residents often put seasonings in stews. The top-grade anise has neat petals, sharp corners, flat skin, thick back, rough wrinkles, light, smooth and shiny colors on both sides of the inner surface, cracked abdomen, bent upward, sweet taste and strong and special aroma.

The petals of similar aniseed mangroves are neat, and most of them have 8 petals, which are slender, long and sharp, with an eagle's beak-like shape. The pedicel is flat, straight and a little bitter, and there is no unique aroma of aniseed.

Picking pepper is also learned. The shell color of pepper is red and oily, and it is easy to break when squeezed evenly by hand. When grasping with your hands, you will feel prickly and dry; If you want to buy a special pepper, you should pay attention to the opening at the top of the pepper. Generally speaking, the bigger the opening, the more hemp the taste.

Cinnamon bark contains more aromatic oil, which has special aroma and astringent spicy taste, and is slightly sweet. High-quality cinnamon, the appearance is grayish brown, the skin is reddish brown, the meat is thick, there is no mold, no white spots, rich fragrance and sweet taste.