Sauerkraut: Fordele + Opskrifter På En Anden Gæret Superfood

Indholdsfortegnelse:

Video: Sauerkraut: Fordele + Opskrifter På En Anden Gæret Superfood

Video: Sauerkraut: Fordele + Opskrifter På En Anden Gæret Superfood
Video: Col agria | CHUCRUT | ¿Cómo lactofermentar vegatales en casa? | con REMOLACHA horneado | Sauerkraut 2024, April
Sauerkraut: Fordele + Opskrifter På En Anden Gæret Superfood
Sauerkraut: Fordele + Opskrifter På En Anden Gæret Superfood
Anonim

Gæring er naturens tryllestav. Det gør friske fødevarer til eksotiske delikatesser. Denne proces har en tankegang og ekstremt enkel forberedelse til sin kredit - surkål.

Sauerkraut er lavet af friske kål, der gæres over uger. Det er en premium tastemaker. Surkål kan ikke kun ændre kedelige frokoster, men det kan også øge din immunitet, klare angst og bekæmpe fedme.

Deltag i mig for at opdage fordelene og selvfølgelig opskrifterne til at lave surkål. Rul ned!

Indholdsfortegnelse

  • Hvad er surkål?
  • Hvad er videnskaben bag surkål?
  • 6 Overraskende fordele ved surkål
  • Ernæringsprofil af surkål
  • Sådan laver du surkål derhjemme
  • Hvad er den rigtige måde at opbevare surkål på?

Hvad er surkål?

Sauerkraut (udtalt som / ˈsaʊɚˌkɹaʊt /) er en gæret mad. Det er en af de mest almindelige og ældste former for konserveret kål (som kimchi). Surkål indeholder en stor mængde mælkesyre, vitamin A, B, C og K og mineraler og har få kalorier (ca. 80 kJ / 100 g).

Sauerkraut kan spores tilbage som en fødekilde til det 4. århundrede f. Kr.! Historisk set fungerede det som en kilde til næringsstoffer i vintermånederne, da der ikke var frisk mad. Dette skyldes, at korrekt gæring bevarer kålens næringsværdi, samtidig med at det skaber ønskelige sensoriske egenskaber. Hippokrates beskrev også surkål som et helsekost og medicinsk middel i sine skrifter.

Sauerkraut er populær i de central- og østeuropæiske kulturer, selvom den også findes i vesteuropæisk køkken og Amerika.

Så hvordan bliver et kålhoved, der sidder i dit køleskab, til en lavkal supermat? Her kommer videnskaben.

Tilbage til indholdsfortegnelse

Hvad er videnskaben bag surkål?

Når du kombinerer kålblade med salt og efterlader dem tæt dækket på et køligt og tørt sted i et par uger, udløser du anaerob gæring.

De hjemmehørende bakterier i grøntsagen og den fangede luft er for det meste mælkesyrebakterier (LAB). Disse LAB nedbryder og udnytter sukkeret i kål til at vokse derinde. Saltet trækker alt det overskydende vand fra bladene.

Mens de vokser, konverterer LAB komplekse biomolekyler fra kål til enklere bioaktive ingredienser. Dette er grunden til, at LAB er af afgørende betydning for vellykket gæring.

De producerer organiske syrer, bakteriociner, vitaminer og smagsforbindelser, der er ansvarlige for mange af de surkåls karakteristiske sensoriske kvaliteter, herunder forlænget holdbarhed, smag og næringsindhold (1).

Disse bakterier er også kendt for at have høje probiotiske og tarmvenlige egenskaber. Er det det?

Heldigvis nej! Læs videre og se magien ved LAB-inficeret kål udfolde sig.

Tilbage til indholdsfortegnelse

6 Overraskende fordele ved surkål

1. Kræftskjold

Alle korsblomstrede grøntsager har en karakteristisk lugt, der beskytter dem mod insekter og kødædere. De samme forbindelser - isothiocyanater, glucosinolater, ascorbigen og ascorbinsyre - beskytter os mod kræft.

De mindsker DNA-beskadigelse og cellemutationshastighed hos kræftpatienter. Sauerkraut vides at have et højt indhold af disse forbindelser (2).

Koncentrationsniveauet afhænger dog stærkt af kålens gæringsbetingelser. Derfor er bevisene ufattelige.

2. Fordøjelsesstøtte

Fordøjelsesstøtte
Fordøjelsesstøtte

I gamle dage blev visse grøntsager og kogte fødevarer gæret for at forbedre deres holdbarhed, sikkerhed og smag. Men nyere forskning siger, at gærede fødevarer har forbedrede ernæringsmæssige og funktionelle egenskaber.

Dette kan skyldes, at de bioaktive substrater omdannes til bioaktive og mere biotilgængelige slutprodukter.

Der er også en mulighed for, at surkål indeholder bakteriestammer og andre mikrobielle stammer, der er genetisk svarende til dem, der anvendes som probiotika (3).

At have 7-10 g surkål hver dag kan forbedre fordøjelsen ved at opretholde en sund tarm og dens mikrobiom.

Sig farvel til den utætte tarm!

3. Kardiovaskulær beskyttelse

Hjertesygdomme er et resultat af mange faktorer, herunder øget oxidativ stress, fortykkede og hærdede blodkar, ubalance i calciumioner, betændelse i muskler, nitrogenoxidakkumulering osv.

Da kål indeholder glucosinolater, isothiocyanater og andre phenolforbindelser, kan deres gærede versioner - surkål - også beskytte dit hjerte. Hvordan?

Surkål kan forhindre nitrogenoxidproduktion, reducere oxidativt stress, gendanne mineralbalance og kontrollere produktionen af proinflammatoriske kemikalier (4).

Alle disse fordele skyldes de forbedrede fytokemiske niveauer og vitamin C og E.

4. Knoglesundhedsforstærker

I modsætning til vores tro har gærede fødevarer som surkål næringsværdi (du ved snart!). Frisk surkål er et reservoir af vitamin C, K og folat og mineraler som calcium og natrium (4). Alle disse er vigtige for opbygning af knogler og har potente antiinflammatoriske egenskaber.

Inkludering af surkål sammen med korsblomstrede grøntsager i din kost kan forhindre aldersrelaterede knogledegenerative sygdomme, dvs. osteoporose og slidgigt (5).

Men pas på høj-natrium surkål præparater. De forårsager calciumtab via urinen. Vælg derfor en variant med lavt natriumindhold eller få en friskere batch af den.

5. Antiinflammatoriske virkninger

Antiinflammatoriske virkninger
Antiinflammatoriske virkninger

Chronic inflammation plays a critical role in various chronic diseases. Our immune system cells produce different pro-inflammatory chemicals or mediators like nitric oxide, eicosanoids, and cytokines. One of the most effective ways to tackle inflammation is to regulate or block the production of these mediators.

The good news is, sauerkraut can suppress nitric oxide production (4). In fact, it has a higher potency than fresh cabbage. The phytochemicals in sauerkraut also inhibit the synthesis of cytokines, eicosanoids, and other prostaglandins at the molecular level (4).

Hence, the right sauerkraut, in combination with precise medical care, can prevent and treat arthritis, irritable bowel disease (IBS), asthma, gastric ulcers, and, in some cases, diabetes.

6. Anxiety And Depression Buster

Recent research and medical studies have established that your brain and gut are connected. There is bidirectional communication between the brain and gut. Dysbiosis of gut microbiota is associated with anxiety and depression.

But, the administration of probiotics produces anxiolytic- and antidepressant-like activities in animal studies. Plant-based fermented foods like sauerkraut have abundant probiotic microbes – like Lactobacillus – that improve cognition and mental health (6), (7).

Also, as it exhibits anti-inflammatory and antioxidant activities, sauerkraut might delay age-related and inflammation-induced neurodegenerative disorders.

That’s indeed surprising, isn’t it? Most of us must have taken sauerkraut for granted. Little did we know about the big picture!

Wonder what gave sauerkraut all the superpowers? Yes, its nutritional and phytochemical composition.

Want to know more in detail? Get to the next section, right away!

Back To TOC

Nutritional Profile of Sauerkraut

Calories Amounts Per Selected Serving Total Carbohydrate
Total Fat Total trans-monoenoic fatty acids Total trans-polyenoic fatty acids Total Omega-3 fatty acids Total Omega-6 fatty acids
Protein Amounts Per Selected Serving Vitamin A Vitamin E (Alpha Tocopherol) Amounts Per Selected Serving Calcium

Sauerkraut contains phenolic compounds and glucosinolates. Sinigrin and glucobrassicin (examples of glucosinolates) play an important role in cancer prevention.

Fermented cabbage is also considered a good source of antioxidants and organic acids such as lactic acid, acetic acid, propionic, malic, and succinic acids.

During fermentation, many breakdown products like sulforaphane, allyl isothiocyanate, iberin, iberin nitrile, and allyl cyanide were found in the cabbage. Research is being carried out on these products for chemoprotective, antioxidant, and anti-inflammatory properties (4).

This is a goodness overload alert!

There is so much nutrition in a small bowl of fermented cabbage that you’d want to have it along with each meal daily, wouldn’t you?

For those of you waiting to get your hands on this simple side dish, I have a surprise!

How about making a small batch of sauerkraut in your kitchen? Sounds nice? Then, let’s get to the kitchen and ‘ferment’ a storm!

Back To TOC

How To Make Sauerkraut At Home

Making sauerkraut is an art. But, we’ve made it super simple for you. This will take just 30 minutes of your time (and, of course, the 5 days of fermenting). But still, you DON’T have to cook!

What You Need
  • Green or white cabbage: 2 kg (outer leathery leaves removed), cored
  • Coarse crystal sea salt: 3 tablespoons (or 6 tablespoons flaky sea salt)
  • Caraway seeds: 1 teaspoon
  • Peppercorns: 1 teaspoon
Let’s Make It
  1. Wash a large tub or bowl thoroughly. Rinse with boiling water from the kettle.
  2. Use a container that will comfortably fit the softened cabbage. It should have several inches of room at the top to avoid overflow. Make sure that your hands, and everything else coming into contact with the cabbage, are very clean.
  3. Shred the cabbage thinly using a food processor or a good knife.
  4. Arrange the cabbage leaflets in the tub or bowl and sprinkle the salt.
  5. Mix the salt into the cabbage thoroughly for 5 minutes. Wait for another 5 minutes and then repeat.
  6. You should end up with a reduced volume of cabbage sitting in its own brine.
  7. Mix in the caraway seeds and the peppercorns. Cover the surface of the cabbage entirely with a sheet of cling film. Press out all the air bubbles from below.
  8. Weigh the cabbage down using a couple of heavy plates or other weights that fit your bowl and cover as much of the cabbage as possible.
  9. You will notice the brine levels rising to cover the cabbage a little.
  10. Cover the tub with its lid (or more cling film) and leave it in a dark place at cool room temperature (about 18-20°C) for at least 5 days.
  11. Sauerkraut should be ready after 5 days. For maximum flavor, leave the cabbage to ferment for anywhere between 2-6 weeks (or until the bubbling subsides).
  12. The cabbage will become increasingly sour the longer it is fermented, so keep tasting it now and then.
  13. When you like the flavor, transfer it to smaller sterilized jars. You can store it in the refrigerator for up to 6 months.

It sure would be fascinating to see some Biochemistry happening every day – and that too right in front of your eyes. Wouldn’t it?

But… Wait

  • Check the cabbage every day or so. Unwrap and rewrap the mixture, releasing any gases that have built up as it ferments.
  • Alternatively, you may stir the cabbage to release the bubbles.
  • If any scum forms, remove it. Rinse the weights in boiling water and replace the cling film.
  • You should always see bubbles appearing within the cabbage and possibly some foam on the top of the brine.
  • It’s important to keep it at an even, cool room temperature. Too cold temperatures will delay the fermentation, and too warm temperatures would cause the sauerkraut to become moldy or ferment too quickly. Either way, you’d not get the perfect sauerkraut.
  • Natural fermentation enhances the nutritional profile of sauerkraut. It is, therefore, more potent in fighting cancers, metabolic disorders, bone and brain issues than its fresh counterpart.

Psst

How about filming the process of making sauerkraut and the fermentation (through 5 days or 2 weeks) in a time lapse?

When you run the video, you’d appreciate the beauty of nature and one of its magical processes – fermentation!

The kids would love it too!

You can thank me later – because I have a surprise for those busy bees reading this.

If 5 or 15 days is too long a time for you to spare, and you wish to make sauerkraut at home, I have a shortcut.

Scroll down!

Shortcut Sauerkraut

Genvej surkål
Genvej surkål
What You Need
  • Cabbage: 1 head, thinly sliced
  • Onion: 1, thinly sliced
  • Apple cider vinegar: 1 ¼ cups
  • Caraway seeds: 1 tablespoon, toasted and crushed
  • Kosher salt: 2 tablespoons
Let’s Make It
  1. Combine all ingredients in a microwave-safe bowl.
  2. Cover the bowl with a large piece of plastic wrap and seal the edges.
  3. Microwave the mixture on high, for about 4 to 5 minutes.
  4. Bring the bowl out and let it sit covered.
  5. Leave it until the cabbage has absorbed its brine, and the bowl is cool to touch. This would take about 15-25 minutes.
  6. Unwrap the bowl and serve along with creamy ramen or any meat entrees.

You can choose whichever way to make a batch of sauerkraut. But what’s critical is the way you store it. If stored the right way, sauerkraut tastes excellent for months and years together. So, let’s find out how you can do that.

Back To TOC

What Is The Right Way To Store Sauerkraut?

Fully fermented sauerkraut may be either canned or stored.

To ‘can’ sauerkraut, there two standard ways:

1. Hot Pack

  • In a large kettle, bring the kraut and liquid slowly to a boil for about 15-20 minutes, stirring frequently.
  • Remove from the heat and fill the sterilized jars with kraut and juices, leaving about ½ inch headspace.

2. Raw Pack

  • Fill the sterilized jars firmly with kraut and cover with juices, leaving about ½ inch headspace.
  • Wipe the jar rim and adjust the lid clamps.
  • Meanwhile, keep sufficient water to boil. Lower the heat and let it slow boil.
  • Place the covered jars in this water and allow it to process.

To ‘freeze’ sauerkraut, follow these instructions:

  • Fill the pint- or quart-sized freezer bags or reusable ridge plastic freezer containers.
  • Fill up to 1-2 inches from their tops, squeeze out the air, seal and label them.
  • You can now freeze these bags for 8-12 months.

The Bottom Line

Sauerkraut is a low-calorie food with abundant vitamin C and sodium. And it is finding its way to popularity for all the right reasons.

We’d be waiting to know how the experience was. Please share your feedback, suggestions, and queries in the comments section below.

Because it’s not just wine and men that get better with age! (wink!)

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Expert’s Answers For Readers’ Questions

How much sauerkraut is safe to eat daily?

Sauerkraut is high in sodium. A cup or 150 g serving will provide approximately 40% of your RDA sodium intake (2.4g).

Keep an eye on your salt intake if you add sauerkraut to your diet.

How long can you keep sauerkraut in the fridge, once opened?

If it is store-bought and not a live culture, sauerkraut may stay for a week or two.

If it is a properly fermented live sauerkraut, you need to start by storing it at room temperature for up to a week. Then, it will last for months in the fridge.

If you find white scum formed on the sauerkraut during this time, discard the batch. Transfer sauerkraut in smaller quantities to avoid wastage. Open one bottle after another to enjoy it across seasons.

References

  1. “Microbial Community Analysis of Sauerkraut…” Foods, US National Library of Medicine
  2. “Regular Consumption of Sauerkraut and Its Effect…” Global Advances in Health and Medicine, US National Library of Medicine
  3. “Health benefits of fermented foods: microbiota…” Current opinion in Biotechnology, US National Library of Medicine
  4. “Sauerkraut: Production, Composition, and…” Fermenterede fødevarer til sundhed og sygdomsforebyggelse, Elsevier
  5. “Vitaminer K1 og K2: Den nye gruppe af…” Journal of Nutrition and Metabolism, US National Library of Medicine
  6. “En gennemgang af gærede fødevarer med…” Forebyggende ernæring og fødevarevidenskab, US National Library of Medicine
  7. “Virkningen af gærede fødevarer på mennesker…” Scientia

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