Qian Yan

Chapter 128 Ginkgolides
Wei Zexi really wanted to throw Pandora into outer space.He waited for Yan Weiran to finish drinking the soup, then packed the gaiwan and prepared to take it back, and asked, "What do you guys have for dinner?"

Yan Weiran pointed across the street: "I wanted to go to Xiaoyu's place to eat Malatang, but Auntie Chang quit her job and Xiaoyu temporarily closed the shop. Maybe we should cook something for ourselves now."

Wei Zexi still had some impressions of Aunt Chang's braised chicken: "Hey, Aunt Chang quit her job? She's a good cook."

Pandora also said angrily: "Yeah, I always like her smell! For some reason, she runs so fast, Xiaoyu can't keep her even with a salary increase, so there is no place to cry!"

Wei Zexi listened, looked at Yan Weiran again with a smile, and said, "That's right, I'll take you to a store I just discovered, let's go."

After eating at Wei Shao's favorite restaurant, Wei Zexi mercilessly asked Pandora to take a taxi back by herself, while he sent Yan Weiran to Ding Xueyan's side.

In the car, Wei Zexi suddenly said, "Wei Ran, I know a little secret of yours."

Yan Weiran's heart skipped a beat, thinking that the secret he said was about the conversation between himself and Pandora in the kitchen.She turned her gaze back from the gradually dimming city in front of her, and looked at Wei Zexi beside her.

And Wei Zexi said with a smug smile, "Let me tell you, I already know the reason for Auntie Chang's resignation. Because she is Chen Can's mother, right?"

Yan Weiran really didn't expect it, and asked in astonishment, "How do you know?"

"That time at the airport, I saw her teary face, and I felt something was wrong. Didn't I send her and Chen Can's adoptive mother home? Aunt Chen kept pulling Aunt Chang to talk about Chen Can's childhood, but Aunt Chang was very happy. Embarrassed, she didn't seem to dare to start a conversation, and only occasionally praised a few words cautiously. I was very surprised. How could a person with a personality like Aunt Chang be so careful when she even spoke? Is there something that I dare not let Does Chen Can's mother know?"

Yan Weiran sighed softly, leaned back in the chair, and said silently: "I really didn't expect, Wei Shao, you actually noticed this."

"That's right. I always pay more attention to people related to you, in case there is a breakthrough." Wei Zexi said in a tone, as if he had already chased her.

Yan Weiran wanted to say that he hadn't agreed yet, but looking at his natural appearance, thinking that his relationship with him was hopeless, everyone couldn't figure it out, so he could only helplessly cover his face and sigh in his heart .

It's a shame to meet such a person.

But in desperation, some joyful happiness flowed slowly through my heart like thick honey.She lowered her head, and the corners of her lips raised uncontrollably.

But then, she thought again, after hearing that sentence, did he also feel that she was ruthless?

"Actually, I was outside the kitchen this afternoon and heard Pandora say that you are being fickle."

Wei Zexi suddenly said as if he had read her consciousness, and seemed to have a tacit understanding.

Yan Weiran's eyelashes trembled slightly, she pursed her lips imperceptibly, and turned to look at him.

And Wei Zexi turned around and smiled at her, then turned to look forward, and said with a relaxed expression: "To be honest, I was a little unhappy at the time, thinking that you valued my money more. But I thought about it later when I was drinking soup." I thought, Jialu also has money, but why did you reject Jialu’s money, but asked me to take the money? Besides, when Mr. Gu approached you, you didn’t agree, right, so you still like me, That's why you like my money by the way, right?"

Listening to the excuses he made for himself, Yan Weiran's chest surged, and something hot wanted to come out of his eyes.She silently covered her eyes, turned her head to look out the window, tried her best to control her breathing, and tried to calm down as much as possible.

Wei Zexi didn't seem to notice her strangeness, and said with a smile: "There is no love for no reason in the world, no matter what you like about me, I will work hard to maintain it so that you will always like me, how about it?"

"You misunderstood." Yan Weiran said softly.

Wei Zexi's hand holding the steering wheel tightened slightly, his face was a little stiff.Obviously he didn't expect that she would deny him lightly when he made excuses for her in such a low voice.

Yan Weiran said again: "I don't think I'm ruthless, and I don't think I choose you or like you because you are rich. Similarly, I choose or give up Cheng Jialu, not because of his family."

She turned her head slightly, looked at him seriously, and said clearly: "It's because I want to be with you, so I choose to hand Siran into your hands. I hope it's you, not others People, join me in creating what I value most in this world."

It was the first time she had shown any definite feelings for him, the first time she had expressed her feelings publicly.

Wei Zexi heard her voice tense, and her voice became softer.He was a little nervous, so he parked the car on the side of the road, turned his head, and looked at her with serious and clear eyes without blinking.

And she looked at his serious expression, and said softly: "Wei Shao, people like me may be too greedy. I like people who hold hands with me, not only love me, but also love my dreams, love The path I choose is to love my past and future. If the other party only wants to have a simple relationship, then I can only say sorry to him. Because I really don’t have much time and energy for relationships now. "

At this moment, the whole world is silent.Wei Zexi stared at her extremely serious expression, thinking in his heart, what a fool, why would someone choose to live their life as such a heavy burden.

However, because of the bright and stubborn light in her eyes, he felt that she was really charming like this.Young Master Wei, who had always been sloppy, was in a trance at this moment, as if he saw those days in the past, and was forever submerged in the fading past.

Like a butterfly flying leisurely all day in the spring sun, seeing another moth rushing desperately towards the flame, illuminating the darkness.He still doesn't quite understand her persistence, but he thinks her burning trajectory is thrillingly beautiful.

So he will no longer miss those warm, soft, pleasant but meaningless past.

He thought that he would abandon everything, follow her, and move forward together.

Because at this moment, on the ordinary streets of Shanghai, in this quiet and closed car, in this ordinary day after day, Unran illuminated the road ahead for him.

He clearly saw his future direction and found his own path.

So Wei Zexi lowered his head and smiled softly.

Under Yan Weiran's slightly puzzled gaze, he unbuckled his seat belt, leaned over, and planted a pious kiss on her forehead.

He said, "Relax, all your wishes will come true, I assure you."

Yan Weiran looked at him silently, trying to find the emotion revealed on his face.

But she only saw Wei Zexi's relieved smile.It was the hesitation in the bottom of my heart that finally came to the fore, and after making up my mind, the brisk smile that cleared the clouds.

He restarted the car and said happily: "You are not greedy, you are not dyed. When you reach your ideal, you will know that I am more greedy than you."

They came to the university laboratory, discussed with Ding Xueyan and checked the experimental products, and finally found that although the problem appeared in the reaction of fluorescent titanium oxide, the real root came from ginkgolides.Common ginkgolides on the market are mostly extracted with methanol as a solvent for multi-stage extraction, then adsorbed and eluted with diatomaceous earth, silica gel or activated carbon, and then combined with acetic acid precipitation to finally obtain ginkgolides.

However, because the acetic acid in the last step often has residues, the properties of other raw materials compounded with titanium oxide have changed, thus causing the failure of the color infiltration change.

No wonder, there are only those kinds of raw materials, but Yan Weiran repeated cross-matching, but it took half a year of repeated experiments to succeed, not because she remembered the formula wrong, but because the probability of success was already very low under the interference of acetic acid. Low, she was just a miracle that happened by chance in repeated attempts.

Ding Xueyan said: "The solution is to change the extraction method. At present, there is another extraction method for ginkgolides, which is to extract with chloroform, and a high-concentration ginkgolide mixture can be obtained."

Yan Weiran shook his head: "Chloroform is carcinogenic. Back then, Colgate caused turmoil because of the chloroform incident. Now many countries even ban chloroform in the packaging of food, medicine, and cosmetics, so if there is any residue of raw materials, it will be very dangerous. "

Wei Zexi immediately said: "If it doesn't work, let's make it ordinary. See how miserable the Fang family is now. We must not follow their example. Why don't we remove ginkgolide from the formula."

"But after removing the ginkgolides, the balance of the formula is completely different. Especially the anti-oxidation function of ginkgo is an essential auxiliary function in this formula, otherwise other functions will be out of balance." Yan Wei Ran hesitated.

"If you really want to keep ginkgolides, there is another way." Ding Xueyan thought for a while and said, "I attended a meeting before and met a few people who are engaged in chemical raw materials. I remember that Cheng Jialu also attended that meeting , There is also an old Chinese professor who seems to be engaged in the new extraction process of ginkgolide. I glanced at the technical introduction at that time, but I don’t have much memory. It seems to be a rare double surname. What is it called? ...I'll go check out the files."

When Ding Xueyan came back from the United States, a lot of materials were piled up in her residence and had not been sorted out.As for the electronic materials, several terabytes of disks are collected in the drawer, and even the index is difficult to sort out.

It is related to the production process, and every move is going on. It is very likely that the entire formula will be abolished. The matter must not be rushed. Yan Weiran has been waiting for so long, so he can only comfort himself, wait a little longer, maybe it will be possible to delay it. Wait until a more opportune moment.

(End of this chapter)