Pea tips can be eaten by the general population, and there are no special contraindications. Unless people are allergic to peas, it is not recommended to eat them.
Nutrition experts said: Eating pea tips often has the effect of detoxification and liver protection, because it contains a lot of magnesium and chlorophyll, which helps to expel toxins from the body and protect the liver.
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Although modern drying technology has a history of more than one hundred years, it still belongs to the category of experimental science. Most drying technologies currently lack scientific theories and design methods that accurately guide practice. In practical applications, relying on empirical and small-scale experimental data to guide industrial design is still the main way, the reasons for this situation are as follows:
One of the reasons is that some basic disciplines relying on drying technology (mainly subject to the discipline of transfer engineering) have the characteristics of experimental science. For example, the development of aerodynamic research is driven by the “wind tunnel†experiment, which indicates that it has not left the scope of experimental science, and the development level of these basic disciplines directly affects and determines the development level of drying technology.
The second reason is that many drying processes are the process of multi-disciplinary technology convergence, involving a wide range of factors, many changing factors, and complex mechanisms. For example, in the field of spray drying technology, the trajectory of the atomized droplets in the drying tower is the key to engineering design. The trajectory of the droplet is related to its volume, mass, initial velocity and direction, and the flow and velocity of other droplets and hot air around it. However, due to the mass transfer and heat transfer processes, these parameters change all the time. Moreover, in the initial state, neither the size of the droplets nor the distribution of the hot air may be uniform. Obviously, engineering design based on theoretical calculations for such complex and varied processes is not reliable.
The third reason is that the types of materials to be dried are various and their physical and chemical properties are also different. The mass transfer and heat transfer rates of different materials may vary greatly even under the same drying conditions. If not treated differently, it may have unsatisfactory consequences. For example, the drying of some Chinese herbal medicines, although belonging to the same medicinal materials, only needs to change the drying conditions because of the difference in the origin or harvest period of the medicinal materials, otherwise the quality of the products will be affected.
The above three reasons determine that the development and application of drying technology should be based on experiments. However, these characteristics of drying technology are often ignored by the diversified people either intentionally or unintentionally. Manufacturers often avoid the drying experiments that should be done because of the lack of experimental devices or incomplete models (which is a common phenomenon in China), and users often give up the requirements of necessary experiments because they do not understand the characteristics of drying technology. The result is that the device is not working well and even causes the design failure. In China, such cases are not uncommon. Therefore, before constructing industrial drying equipment, especially larger ones, it is necessary to conduct sufficient and convincing experiments, and use the experimental results as the basis for industrial equipment design. This is a distinctive feature of drying technology applications.
In addition, the wide variety of dryers and their respective uses are also a feature of drying technology. Each technology has its own field of application. In engineering practice, the type of drying technology to be applied should be selected according to the specific situation. This will have a major impact on investment costs, operating costs, product quality, environmental requirements and other aspects. For example, in a certain enterprise, three types of box drying, spray drying and rapid drying of rotating air have been used in the drying of white carbon black filter. The final result of zui proves that these three technologies have their own strengths. The box-type drying production of white carbon black has good production efficiency and high labor intensity, but the product quality is good. The product produced after kneading with rubber has a high breaking strength value. The rotary airflow is quickly dried to produce white carbon black. The products are in the middle of the three indicators, but the product has good fluidity and low dust pollution, which is very popular among users and operators. In the 1990s, the issue of which drying method was more advanced in the production of white carbon black had caused controversy in the drying equipment industry in China. In fact, each of the three types of equipment has its own characteristics. Which type of machine is selected depends on the user's own conditions and product requirements. There is no conclusion that any technology is more advanced. There are many similar examples that show the wide variety of drying equipment and their own use. Therefore, in the application, it is necessary to carefully compare and carefully select the technical solution, and it is also an indispensable step to evaluate the technical solution through the drying experiment.
Finally, I remind everyone that when buying pea tips, the more tender the better, and try not to cut them with a knife when frying, which will cause the loss of nutrients. You can add a small amount of water when frying, also to prevent the water from the pea tips. , In addition, the stems and leaves of pea sprouts are tender and have high moisture content, so they need to be sealed and stored.
Drying equipment technology application principle
Drying equipment technology has a wide range of applications. In the face of numerous industries, physical and chemical properties, materials, product quality and other diverse requirements, drying equipment technology is a cross-industry, interdisciplinary, experimental scientific technology. . Three aspects of knowledge and technology are usually required in the development and application of drying equipment technology. * It is necessary to understand the physical and chemical properties of the material to be dried and the use characteristics of the dryer product; the second is to be familiar with the principle of transfer engineering, namely the principle of energy transfer such as mass transfer, heat transfer, fluid mechanics and aerodynamics; There are means of implementation, that is, engineering design for drying processes, main equipment, and electrical instrument control. Obviously, these three aspects of knowledge and technology do not belong to a subject area. In practice, these three aspects of knowledge and technology are indispensable. So drying equipment technology is a cross-industry, interdisciplinary technology.