新鮮菜心，又稱為小白菜心或菜苗，是一種常見的蔬菜，特別受到亞洲料理中使用。

1. 植物特徵：菜心屬於十字花科蔬菜，其特徵是擁有短而粗壯的莖和大而寬的深綠色葉子。它的葉子為心形，並且在莖的頂端形成緊密的莖心。
2. 營養價值：菜心富含維生素C、維生素K、維生素A和葉酸等多種營養素。它也是一種低卡路里的蔬菜，同時含有膳食纖維和抗氧化物質，有助於保持身體健康。
3. 常見用途：菜心在亞洲菜中廣泛應用，尤其在中國、台灣、香港和東南亞國家的菜餚中常見。它可用於炒菜、湯、火鍋、涼拌菜和蒸菜等不同烹飪方式。
4. 選擇和保存：選購時應選擇外觀新鮮、葉子綠色、莖部堅實的菜心。最好在購買後盡快使用，或者在冷藏保存以延長保質期。
5. 烹飪建議：菜心可用作主菜或配菜。烹飪時，可以輕輕切斷莖部，將葉子和嫩莖用於炒菜或涼拌菜，而稍厚的莖可以用於湯或火鍋。烹飪時間應控制在幾分鐘以內，以保持蔬菜的鮮嫩口感。

重量約600g 

Fresh Choy Sum (Chinese flowering cabbage)

1. Plant Characteristics: Choy Sum, also known as Chinese flowering cabbage, is a common vegetable widely used in Asian cuisine. It has short, stout stems and large, wide, dark green leaves. The leaves are heart-shaped and form a tight cluster at the top of the stem.

2. Nutritional Value: Choy Sum is rich in nutrients such as vitamin C, vitamin K, vitamin A, and folate. It is also a low-calorie vegetable and contains dietary fiber and antioxidants, which contribute to overall health and well-being.

3. Common Uses: Choy Sum is widely used in various Asian dishes, particularly in Chinese, Taiwanese, Hong Kong, and Southeast Asian cuisines. It can be stir-fried, used in soups, hot pots, salads, and steamed dishes, among other cooking methods.

4. Selection and Storage: When selecting Choy Sum, choose ones with fresh appearance, vibrant green leaves, and firm stems. It is best to use it soon after purchase or store it in the refrigerator to prolong its freshness.

5. Cooking Suggestions: Choy Sum can be used as a main dish or a side dish. When cooking, gently trim the stems and use the leaves and tender stems for stir-frying or salads, while the slightly thicker stems can be used in soups or hot pots. Cooking time should be kept brief, within a few minutes, to maintain the vegetable's crisp and tender texture.