"It's not wrong for you to understand that." Su Yayan gave a little affirmation to his answer, "a large part of you are students in the Department of pharmacy. You should know that a large part of today's medicine is composed of chemical components and biological agents. And Chinese medicine, as the student said, many are plants, but not all are plants. "

"For example, calculus bovis is a stone in the gall bladder, bile duct or hepatic duct of cattle or buffaloes, but it has the functions of clearing heart, resolving phlegm, benefiting gallbladder and calming convulsion. It also has certain effects on convulsions, convulsions, epilepsy, chancre, swollen throat, sore mouth and tongue, carbuncle and poison in children."

As soon as Su Yayan said this, there was another uproar at the bottom.

"Is the stone in the cow's stomach also a traditional Chinese medicine?"

"Shouldn't the stones be congealed by the dirty things in the stomach? How do you want this? Won't you be poisoned? "

People at the bottom talked about it, but Su Yayan took a deep breath as if he had expected: "this is the reason why we want to learn this subject now. If I didn't tell you that calculus bovis is also an important kind, would you think that calculus bovis can also be used for treatment?"

There was a moment of silence.

"In ancient times, Shennong tasted all kinds of herbs and left Shennong's medicine classic. Later, Li Shizhen worked hard to compile compendium of Materia Medica and spread it to the world. The purpose is to let the world understand the value of these Chinese herbal medicines, so that they can be used to treat diseases and save people. Unfortunately, most of these precious books, together with many precious Chinese medicinal materials, were lost in the two migrations of mankind. "

"I have a problem." As soon as Su Yayan's voice fell, another person asked, "teacher, no, Miss Su, since most of these things are lost, how do you know these things?"

Su Yayan had expected that someone would ask this question, even if they were not the students present today, they would be others.

"Because my family happens to be one of the small parts that have been preserved. Just like recipes, some of them have been preserved in the process of migration, but a large part of them have been lost. For this reason, the Research Institute will develop a nutrient solution, which is convenient for the public, and at the same time, can let everyone fill their stomachs. "

After all, the planet they live on is different from the ancient earth. For example, the animals, including seafood, in this place are larger than those in the ancient earth. Even if some vegetables can be grown, they are smaller than those in the ancient earth. This is also the reason why natural ingredients, especially vegetables, are very expensive.

When human beings first set foot on this land, they were not sure whether the plants on this planet, or even the plant seeds they brought, would mutate or be poisonous.

Coupled with the loss of recipes, the research institute has simply produced nutrient solutions that can extract animal and plant nutrients.

Just like compressed biscuits, they concentrate and extract all the nutrients in food, which can satisfy the needs of human survival, but at the expense of the most important taste of food.

Even though they know it's easy and cheap to drink, many people still prefer delicious food.

"Do you mean you have books about it? What about the seeds of traditional Chinese medicine? Is that what your grandparents left behind? "

As soon as this question came out, many people raised their ears. Obviously, it was not only the one who asked the question was curious, but many people were curious, just embarrassed to ask before.

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