Sweet melon seeds are high in calories. Sweet melon seeds are sunflower seeds with high calories. 100 grams of melon seeds can have up to 606 calories, which is equivalent to two and a half bowls of rice, so it is also correct to say that eating melon seeds is easy to gain weight.

Sunflower seed consists of pericarp (shell) and seed, and the seed consists of seed coat, two cotyledons and embryo. The pericarp is divided into three layers, and the exocarp is membranous with short hairs on it; Mesocarp is leathery, hard and thick; Endocarp villous. The seed coat has two thick cotyledons, radicles, stems and germs, and there is no endosperm. Radicle, embryo stem and embryo are located at the top of the seed. Seed coat consists of outer epidermis and inner epidermis, which is a white film.