In this era, many so-called "poisons" are extracted from natural plants and animals, such as poisonous herbs like Datura, or snake venom and toad venom, etc.
However, most of these so-called "poisons" have low toxicity and a strange taste, making them easy to detect.
As for those with extremely high toxicity, such as pure snake venom, it is extremely difficult and dangerous to obtain, and naturally the price is very high. Even in some unconventional doctors who can use snake venom as medicine, these snake venom-based medicines cost several taels of silver or even several taels of gold.
Of course, in this case, the medicine needs to be prescribed according to the specific patient. How can Wu Erman and Hu Laoliu create patients and pulse diagnosis prescriptions out of nothing?
Besides, even if there was such a patient who asked them to cheat the poison out of someone else's name, these two people were penniless and didn't have the spare money to buy such an expensive poison.
If this is the case with the "official" channels, the prices charged by many black market businesses that engage in shady business are even more outrageous. They sell the goods without considering their intended use, but a bottle of snake venom can be exchanged for a relatively simple house in an ordinary town!
As for those cheap ones, either they have extremely low toxicity and have no other effect except causing diarrhea, abdominal pain, dizziness and vomiting. Moreover, the effect is slow and requires long-term use to show the effect; or they taste extremely weird, either fishy, bitter and spicy, and it is impossible not to detect it unless the sense of taste is completely impaired.
Moreover, this so-called "cheap price" is only compared to those "sky-high" priced poisons. For paupers like Wu Erman and Hu Laoliu, it is still a sky-high price.
The bottom line is: for ordinary people, unless they pick poisonous herbs and catch poisonous snakes themselves, there is no poison for them to buy.
However, poisonous snakes can harm people, but they are of no use to jam. After all, poisonous snakes will not spray venom everywhere for no reason, let alone at a pot of jam.
"Then, if they didn't poison it, why did they tamper with the jam?" Wu Erman asked puzzledly.
"You're really stupid!" Hu Laoliu tapped Wu Erman on the forehead, making him take two steps back. "The stomachs of the masters and mistresses of wealthy families are extremely precious. If they don't pay attention to the ingredients, such as dust or stale food, they will get stomach upset after eating them. Why bother with that damn poison?"
"What does Brother Hu mean...?"
"What I mean is, even if it's just a common laxative like croton, as long as it makes people feel uncomfortable after taking it, it's enough for those arrogant masters and mistresses to enjoy it!"
Croton is a very common medicine for treating constipation. Ordinary people have more or less trouble with this, so it is very common for people, whether they are princes or poor people, to buy laxatives such as croton or senna.
Compared to expensive poisons that are subject to numerous inquiries, this laxative is cheap and common, and even if anyone buys it, no one will ask any questions - after all, problems with the lower body are more or less "unspeakable".
Those who ask too many questions at this time are somewhat out of touch with the truth.
Hu Laoliu originally thought that since he had already told Wu Erman the specific method, he thought that this time the other party would finally take action. However, two days later, Wu Erman came running over again with a sad face.
Hu Laoliu had already lost his temper with this man's tough personality, so he patiently asked, "What happened this time?"
"I... I wanted to buy a bag of croton seeds and mix it into the jam... but, but..." Wu Erman's voice trembled and he was about to cry.
"What was the result?"
"I was so scared that before I even put the croton seeds into the pot, my hand shook and they spilled..."
Not only did they spread it, but they did it in front of many people.
As mentioned before, croton is a very common laxative, so even ordinary people recognize it.
So when Wu Erman spilled the croton seeds from his arms all over the floor because he was too nervous, everyone burst into laughter. Even Su Qingluan tried to hold it in, but finally couldn't help it and burst out laughing.
Now, everyone knew that Wu Erman couldn’t solve the problem.
In fact, if it were someone with less bad relationships, if this embarrassing thing happened, there is a high probability that a few familiar people would more or less understand the embarrassment, help cover it up and make amends, and then let everyone forget about it as soon as possible.
It just so happens that people like Wu Erman have long incurred public anger, and they are so cunning that it is difficult to find any evidence against them. Not to mention those who used to work with him, even Su Qingluan really wants to find some evidence against him to get rid of this unstable factor.
However, Wu Erman is a very cunning person. He takes advantage of others when working with others, but once he has to do everything by himself, he looks very diligent and hardworking, and does not look like someone who just wants to take advantage of others and be lazy.
Because of this, we have never been able to catch him. Everyone knows that this person is very annoying, but there is nothing they can do about it.
So now, seeing Wu Er embarrassed, even Su Qingluan felt like she had gotten rid of a lot of anger.
But the people below can laugh loudly, but she, as the shopkeeper, cannot put the words "partial, laughing at the joke" clearly on the table.
No matter how happy she was inside, Su Qingluan said with a fierce face, "Don't laugh! We are all partners working together. When your partner is sick, how can you laugh at him if you don't say how much you care about him?" As she said that, she asked Wu Dani, who worked in another group, to take care of her brother.
After all, constipation is a difficult problem to talk about, and it is more convenient to talk about it with family members - even a sister of the opposite sex - rather than with outsiders.
Although Su Qingluan meant well, Wu Erman secretly groaned. The reason was simple: he was a coward and not good at lying, especially in front of his elder sister, who was always strict with him.
It is no exaggeration to say that Wu Erman may not be so afraid of his parents, but he is afraid of his sister Wu Dani from the bottom of his heart.
He also knew that unlike his own reckless personality, his elder sister Wu Danike was a strong-willed woman who would not tolerate any injustice and had a very upright character.
If she knew what stupid ideas he had, even though he was Wu Dani's biological brother with the same father and mother, Wu Erman knew that Wu Dani, as his elder sister, would never side with him and would instead skin him alive.
And this sentence is not an exaggeration, but the truth - Wu Dani once found out that Wu Erman was lazy and neglected the family fields, so she beat him with the soles of her shoes until he rolled on the ground.
Moreover, when Wu Dani beat him, she happened to be wearing the hard-soled shoes used for going out, which hurt much more and caused much more damage than the ordinary thousand-layer soles.
After being beaten so severely, there was not a single piece of good meat on Wu Erman's back waist and hips. He had to lie in bed for more than half a month before he recovered. From then on, he never dared to be lazy in front of his sister again.
Thinking of this, Wu Erman felt a dull pain in his back.
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