A few minutes later, Liu Feng and the others came to the place where white sugar was made.

"My lord." The person in charge of making white sugar hurriedly greeted him. It was a big sister with a kind smile on her face.

"Take me to see the white sugar you produce." Liu Feng said with a slight smile on his lips.

"Okay." The person in charge nodded, took Liu Feng and others to the room in the factory building, took out a burlap bag, opened it and put it on the table beside it.

Liu Feng stretched out his hand and grabbed some white sugar from the burlap bag. It was not so much white sugar, it was more like sugar cubes.

. . . .

"It seems that the filtering step needs further optimization." Liu Feng said to the elder sister.

"Already trying to improve it." The person in charge said respectfully, the white granulated sugar produced is indeed a little yellower than the white granulated sugar Liu Feng took as a sample.

"Well, the taste is sweet enough." Liu Feng broke off a small piece and put it in his mouth, very satisfied.

"I'll try." An Li asked curiously.

Liu Feng broke off a piece and stuffed it into An Li's mouth, his fingers accidentally brushed across the red lips of Fox-Er Niang.

An Li blushed slightly, and said happily, "It's really sweet, it can be used to make lollipops."

"Give me some." Mina pursed her mouth slightly, and looked at Liu Feng with a smile in her blue eyes.

"Okay, Mina will try too." Liu Feng also broke a piece of candy with a smile, and stuffed it into Mina's mouth in the same way.

The sugar in Mina's mouth was melting, which made her feel very happy, "It's very sweet."

"It can be put into production. It doesn't matter if the color is darker. It can be replaced after the filtering process is optimized."

Liu Feng said to the person in charge, "I will send someone to deliver the sugar cane and beet."

Now the sugar cane and sugar beets are still in the field, and they need to be harvested and transported here.

"Yes." The person in charge nodded.

. . . . . . . . . . . . . . .

"One more, ( ̄▽ ̄). Please support."

Chapter 833 Qingbijiao.

After inspecting the white sugar workshop, Liu Feng took Mina and An Li to inspect other workshops.

First I went to the canning workshop, then I went to the brewery and the instant noodle workshop, and now I just finished inspecting the sackcloth workshop.

"Master, is the oil press you mentioned last time also in this workshop area?" An Li turned her head and asked as she flipped through her memory book.

Enri is extremely curious about oil, there are so many delicacies that can be eaten in the castle, and oil is inseparable from it.

In this world, the source of oil can only be obtained from wild boars, the quantity is very small, only nobles can afford oil, and the price of oil is also very expensive, several times more expensive than salt.

Aristocrats used oil to make some snacks, not for cooking. In this era, cooking has not been invented yet, and most people use cooking. .

The oil Liu Feng mentioned is peanut oil, which is squeezed from peanuts and is currently the main oil used.

Of course, there is also a plant dried fruit oil, which is a product of this era, but the quantity is relatively small. Liu Feng used "Nine Five Three" to make marriage fat...

And like Zuixiaolou and various gourmet restaurants, they now use peanut oil, but due to the quantity, they are not sold to the outside world for the time being.

When peanuts are grown as vegetables in greenhouses, a large number of seeds are left, and when they open up wasteland and cultivate land, they are planted together with potatoes.

"Since you're here, let's go and have a look." Liu Feng said softly.

"Okay." An Li happily replied, and followed Liu Feng to the depths of the workshop.

Before coming to the oil press workshop, there were eight soldiers on duty at the door, in order to prevent irrelevant people from breaking in. After all, Liu Feng didn't intend to let other people know about oil.

In the future, this peanut oil will also be an indispensable item in the daily life of ordinary people. It can be said to be on the same level as salt. After all, it is firewood, rice, oil, salt, soy sauce, vinegar and tea.

"My lord." Seeing Liu Feng's arrival, the eight soldiers quickly saluted.

Liu Feng nodded, and took Mina and An Li to the workshop.

"Boom..."

"Buzz..."

Before entering the door, the sound of the steam engine has already been heard. In the workshop, there are three presses driven by the steam engine, which are working.

The press was made by the scientific research department based on the blueprint given by Liu Feng. It is in the shape of a vertical barrel, and the pressure is powered by a steam engine.

Pressing peanut oil is to directly separate the oil from the raw material by physical pressure, without any chemical additives in the whole process.

Before the steam engine appeared, peanut oil was pressed manually, which was the most primitive way of pressing peanut oil, and the amount of oil produced was enough for several shops.

Now with the advent of the steam engine, the amount of peanut oil is more, but now it is also limited by the raw material of peanuts.

"Buzz..."

After the three of Liu Feng entered the workshop, they frowned at the noise, and then looked around seriously.

"Wow, there are a lot of people peeling peanut shells." Enli looked at a group of people peeling peanut shells in surprise.

She knew about the peanuts. When the first batch of peanuts were harvested, Liu Feng took some to the castle and asked Nicole to fry them into salty and fragrant peanuts. They can be eaten as snacks when nothing happens.

"Let's go, take a look in front." Liu Feng walked towards the inside of the workshop.

"Boom..."

The further you go inside, the louder the sound of the steam engine.

Liu Feng took Mina and An Li to refer to the stir-frying process. Before pressing the peanuts, some moisture must be removed, and the peanuts must be stir-fried until they are 6 to 8 mature before pressing the oil.

"It's so delicious." An Li held the fried peanuts in her hand and was stuffing them into her mouth.

"It's quite fragrant, but it's not salty." Mina also commented that it was less salty than Nicole's stir-fried peanuts.

"..." Liu Feng rolled his eyes and led the two into the pressing workshop.

The stir-fried peanuts are sent to the pressing workshop, and then poured into the funnel-shaped feeding port, and then pressed to squeeze out the peanut oil, followed by filtration and sedimentation, and the production of peanut oil is completed.

"Hey, that's how the oil comes from." An Li exclaimed, walking around the press twice, with little stars in her eyes.

Mina has already seen Liu Feng before, and she was surprised when she first learned that oil can also be obtained from peanuts.

It is hard to imagine that oil can be obtained from these small peanuts, which also let Mina know that oil can be obtained not only from animals, but also from plants.

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