How to Identify Bean Curd: A Complete Guide from Purchasing to Identification
As a common bean product, yuba is deeply loved by consumers because of its rich nutrition and unique taste. However, there are also some inferior or counterfeit products on the market. How to distinguish the authenticity and quality of yuba has become the focus of consumers' attention. This article will combine hot topics and hot content in the past 10 days to provide you with a detailed guide to identifying yuba.
1. Basic introduction to yuba
Yuba, also known as tofu skin, is made from the thin film formed on the surface of soy milk after it is heated and dried. Its main ingredients are soy protein and fat, and it is rich in high-quality protein, calcium, iron and other nutrients. According to the different production techniques and raw materials, yuba can be divided into two types: traditional yuba and modern craft yuba.
2. Characteristics of high-quality yuba
| Features | High quality yuba performance |
|---|---|
| Appearance | The color is light yellow or beige, and the surface is shiny |
| texture | Good toughness, not easy to break, honeycomb cross section |
| smell | Has a light bean flavor and no peculiar smell |
| Soak hair | It has strong water absorption and the volume expands significantly after soaking. |
3. How to identify inferior yuba
| Question type | Identification method |
|---|---|
| add bleach | The color is too white and unnatural |
| Add gelatin | The toughness is too strong and it is still very hard after soaking. |
| Doped starch | There is a plastic smell when burning and the ashes are not fine. |
| Mildew products | There are mildew spots on the surface and the smell is sour. |
4. Practical identification skills
1.visual inspection method: High-quality yuba has a natural color, a shiny surface, and obvious fibrous tissue; inferior yuba is too white or too yellow, and may have irregular spots on the surface.
2.Hand feeling test method: Fold the yuba lightly with your hands. High-quality products have a certain toughness but are easy to break, with a honeycomb-shaped cross section. Products with added gelatin are too tough and difficult to break.
3.blister test: Soak the yuba in warm water. High-quality yuba absorbs water quickly and will expand significantly in volume after soaking, leaving the water clear. Inferior-quality yuba soaks slowly and the water may become turbid.
4.combustion test method: Take a small piece of yuba and ignite it. Pure soy products will have a bean aroma when burning and the ashes will be fine; adulterated bean products will have a peculiar smell when burning and the ashes may have a grainy feel.
5. Purchase suggestions
| Key points for purchasing | Things to note |
|---|---|
| Purchase channels | Give priority to regular supermarkets or reputable merchants |
| Packaging information | Check production date, shelf life, QS logo, etc. |
| price comparison | Too low a price may mean quality issues |
| Brand selection | The quality of products from well-known brands is relatively guaranteed |
6. Storage and consumption suggestions
1.Storage method: Bean curd should be stored in a cool, dry place away from direct sunlight. It is best to store in an airtight container after opening.
2.Treatment before consumption: It is recommended to soak in warm water for 20-30 minutes before cooking. The water temperature should not be too high when soaking to avoid destroying nutrients.
3.nutritional value: Yuba is a high-quality protein source for vegetarians, but due to its high fat content, it is recommended to eat it in moderation, especially for people with high blood pressure.
7. Recent hot topics
1.food safety incident: Recently, a case of adding illegal additives to yuba was exposed somewhere, causing consumers to pay attention to the safety of yuba.
2.healthy eating trends: With the popularity of vegetarianism, the market demand for yuba, as an important source of plant protein, continues to grow.
3.New process innovation: A company has launched a new bean curd product with low fat and high protein, which has obtained health food certification.
4.Online shopping quality disputes: Bulk yuba sold on some e-commerce platforms has been found to have quality problems, and consumers are reminded to pay attention to the risks of online shopping.
Summary
As a traditional food, the quality of yuba is directly related to consumers' health and eating experience. By mastering the above identification methods, consumers can choose high-quality yuba products more wisely. It is recommended to observe and compare more when purchasing, and give priority to products from regular channels and well-known brands to ensure food safety and nutritional value. At the same time, you should also pay attention to the latest developments in the food industry, keep abreast of product quality information, and be a smart consumer.
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