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Book 9, Question 94 · Video

Why Ferment Cabbage Into Sauerkraut?

Video · 1:58 · Crafty Clover explains, from A Million Whys Book 9

We ferment cabbage into sauerkraut to make it tangy and last longer! Salt pulls juice out of the cabbage, and friendly bacteria in that juice make acid. That acid keeps the cabbage

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What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. Why ferment cabbage into sauerkraut?

The Big Idea

We ferment cabbage into sauerkraut to make it tangy and last longer! Salt pulls juice out of the cabbage, and friendly bacteria in that juice make acid. That acid keeps the cabbage fresh for months and adds a sour, tangy flavor.

Salt Pulls Juice

Step one: salt pulls juice. A grown-up shreds the cabbage, mixes in salt, and squeezes it. The salt pulls water out of the cells, making a salty brine that covers the cabbage.

Friendly Bacteria

Step two: friendly bacteria. Tiny bacteria that already live on cabbage leaves eat its natural sugars, and they do not need air. They make lactic acid, which is also found in yogurt.

Tangy and Preserved

Step three: tangy and preserved. The acid makes the cabbage sour and keeps harmful microbes from growing. Fermentation is very old, and it has helped people store food for thousands of years, long before fridges.

A Closer Look

Let's take a closer look at making sauerkraut! A grown-up shreds the cabbage. Salt is mixed in until juice appears. It is packed tightly into a clean jar, under its brine. And microbes work for days to weeks.

Quick Facts

Quick facts! Fermentation makes microbes the chefs. Yogurt, pickles, and kimchi are fermented foods too. Fermenting at home should follow a trusted recipe. Ask a grown-up first, and check for allergies.

Think Like a Scientist

Now, think like a scientist! With a grown-up's okay, taste a little sauerkraut and a little raw cabbage. Check for allergies first. Can you taste the acid difference? And you can tell your family what the acid tastes like.

Outro

Salt and friendly microbes turn cabbage into tangy sauerkraut. Science is amazing! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

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