How to choose fresh walnuts
As a nutritious nut, walnuts are deeply loved by consumers. However, the quality of walnuts on the market varies, and how to choose fresh walnuts has become a confusion for many people. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed selection guide to help you easily choose fresh and high-quality walnuts.
1. Key indicators for selecting fresh walnuts
When selecting fresh walnuts, there are a few key things to look for: appearance, weight, smell, and sound. The following is the specific judgment method:
| indicator | Fresh walnut characteristics | Characteristics of stale walnuts |
|---|---|---|
| Appearance | The shell is smooth, uniform in color, and has no obvious damage or black spots. | The shell has cracks, black spots or signs of mold |
| weight | It feels heavy in hand, indicating that the nuts are full. | If it feels light, it means the kernels may be dry. |
| smell | Has a light fragrance, no peculiar smell | Musty or rancid smell of oil |
| sound | No sound or slight sound when shaking | If there is obvious shaking sound when shaking, it means that the nuts have dried and shrunk. |
2. Hot topics: Origin and varieties of walnuts
Recently, discussions about the origin and varieties of walnuts have become a hot topic. Walnuts from different origins vary in taste and quality. The following are several high-quality walnut origins and varieties that are hotly discussed on the Internet:
| Origin | Variety | Features |
|---|---|---|
| Xinjiang | Thin-skinned walnuts | The skin is thin and easy to peel, the nuts are plump and the taste is sweet. |
| Yunnan | Yangbi walnut | The nuts are delicate, have high oil content and are rich in nutritional value. |
| Hebei | Shimen Walnut | The shell is hard and the nuts are crisp and tender, suitable for long-term storage |
3. How to store walnuts to keep them fresh
After selecting fresh walnuts, correct storage methods are equally important. The following are several storage methods hotly discussed by netizens:
1.Keep sealed:Put walnuts into a sealed bag or sealed jar to avoid air contact and prevent oxidation.
2.Refrigerated or frozen: If long-term storage is required, the walnuts can be refrigerated or frozen to extend the shelf life.
3.Keep away from light and dry: Walnuts should be stored in a cool, dry place away from direct sunlight to prevent moisture and mildew.
4. Nutritional value and health benefits of walnuts
Walnuts are rich in unsaturated fatty acids, protein, vitamin E and various minerals, and have the following health effects:
| Nutritional information | health benefits |
|---|---|
| unsaturated fatty acids | Lower cholesterol and protect cardiovascular health |
| Vitamin E | Antioxidant, delay aging |
| protein | Enhance immunity and promote muscle growth |
| Minerals (calcium, magnesium, zinc, etc.) | Strengthen bones and improve nervous system function |
5. Consumer FAQs
1.Question: Does the blackened walnut shell mean it is not fresh?
Answer: Not necessarily. Some walnut varieties have darker shells, but if there is obvious mold or an odor, they may have gone bad.
2.Question: What is the white powder on the surface of walnut kernels?
Answer: This is usually the crystallization of oil naturally secreted by walnut kernels. It is a normal phenomenon and does not affect consumption.
3.Question: How to peel walnuts quickly?
Answer: You can put the walnuts in a steamer and steam them for a few minutes. The shell will become softer and easier to peel.
Conclusion
It is not difficult to choose fresh walnuts. As long as you master the above key indicators and methods, you can easily buy high-quality walnuts. I hope this article can provide you with a practical reference so that you can enjoy the delicious taste of walnuts while getting the maximum nutritional value.
check the details
check the details
en
