这种瓜子有毒还致癌，吃到了立马吐出来！

Core Viewpoint - The article discusses the cultural significance and nutritional benefits of various types of melon seeds, particularly during the New Year celebrations, emphasizing their role as a popular snack and their health advantages. Group 1: Types of Melon Seeds - Melon seeds encompass a variety of types, including sunflower seeds, watermelon seeds, and pumpkin seeds, each with distinct nutritional profiles [3][4]. - Watermelon seeds, primarily from the gourd variety, are noted for their high iron content of 8.2 mg/100g, which is 1.3 times that of sunflower seeds, and potassium content of 612 mg/100g, placing them in the upper range among nuts [5]. - Pumpkin seeds have the highest protein content at 36 mg/100g, which is 1.6 times that of sunflower seeds, and the highest potassium content at 672 mg/100g, along with significant amounts of zinc and selenium [6]. - Sunflower seeds are rich in vitamin E at 26.46 mg/100g, which is 21.5 times that of watermelon seeds, and have a notable vitamin B1 content of 0.43 mg/100g, significantly higher than the other two types [7]. Group 2: Nutritional Comparison - A detailed comparison of nutritional values per 100g shows: - Watermelon seeds: 582 kcal, 32.7g protein, 44.8g fat, 4.5g dietary fiber, 612mg potassium [8]. - Pumpkin seeds: 582 kcal, 36g protein, 46.1g fat, 4.1g dietary fiber, 672mg potassium [8]. - Sunflower seeds: 579 kcal, 22.6g protein, 52.8g fat, 4.8g dietary fiber, 491mg potassium [8]. Group 3: Consumption Guidelines - The article advises limiting nut consumption to 50-70 grams per week, translating to about 10 grams daily, which is equivalent to 1.5-2 handfuls of seeds [13]. - It recommends choosing original flavor seeds over flavored varieties to avoid hidden risks of mold and high sugar or salt content, which can negatively impact cardiovascular health [14]. - Consumers are urged to discard any seeds that taste bitter or rancid immediately, as these may indicate spoilage and potential health risks [15].