How to choose yam
Yam is a nutritious food, rich in dietary fiber, vitamins and minerals. It has the effects of strengthening the spleen and stomach, nourishing yin and nourishing the kidneys. However, there are many varieties of yams on the market with varying quality. How to choose high-quality yams has become a concern for many consumers. This article will provide you with a detailed guide to selecting yam based on recent hot topics and hot content.
1. Varieties and characteristics of yam

Yams are mainly divided into several categories: iron-bar yams, vegetable yams, and water yams. Different varieties of yams differ in taste, nutritional value, and cooking methods. The following is a comparison of the characteristics of common yam varieties:
| Variety | Appearance characteristics | Taste | Suitable for cooking style |
|---|---|---|---|
| iron bar yam | Slender, rough skin, with purple-red spots | Pink and waxy, dense | Stew, steam |
| vegetable yam | Stout, smooth skin | Crisp, tender and moist | Stir-fried vegetables, salad |
| water yam | Thick, short skin, thin skin | Delicate, slightly sweet | Cooking porridge and desserts |
2. Four key points in choosing yam
1.Look at the appearance: High-quality yams are usually even in thickness and have intact skin without damage. Avoid choosing yams with dark spots or mildew on the surface, which may indicate they have been stored for too long or have gone bad.
2.Feel the texture: Fresh yams feel hard and heavy to the touch. If the yams are limp or light, they may have been stored for too long or have lost moisture.
3.Observe the section: If you buy cut yam, you can observe the color of the cut surface. The cut surface of fresh yams should be white or milky white. If it turns yellow or black, it may not be fresh.
4.smell: Fresh yam has a light earthy fragrance. If it has a sour or peculiar smell, it may have gone bad.
3. Recently popular topics related to yam
Recently, yam has become a hot topic due to its nutritional value and health benefits. The following is the hot content in the past 10 days:
| topic | heat index | Main content |
|---|---|---|
| Yam weight loss method | high | Yams are low in calories and high in fiber, making them a new favorite among people who want to lose weight. |
| Therapeutic effects of yam | in | Chinese medicine recommends yam to treat weak spleen and stomach |
| Yam planting technology | low | Farmers share their experience in growing high-quality yam |
4. How to preserve yam
After selecting high-quality yams, correct storage methods can extend their shelf life:
1.Store at room temperature: Place the yam in a cool and ventilated place away from direct sunlight. It can be stored for about 1 week.
2.Refrigerated storage: Wrap in newspaper or plastic wrap and refrigerate. It can be stored for 2-3 weeks.
3.Cryopreservation: Peel and cut the yam into pieces and freeze it. It is suitable for long-term storage, but the taste will be slightly affected.
5. Summary
When selecting yam, you need to consider various factors such as shape, texture, cut surface and smell to choose fresh, undamaged and high-quality yam. Different varieties of yams are suitable for different cooking methods, and consumers can choose flexibly according to their needs. Recently, yams have attracted much attention due to their health benefits. Proper consumption and preservation of yams can maximize their nutrition.
I hope this article can help you easily choose satisfactory yams and enjoy healthy and delicious food!
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