2024 Forfatter: Cecilia Ryder | [email protected]. Sidst ændret: 2024-01-15 15:36
Kål er blandt de mest populære korsblomstrede grøntsager. Det er tæt pakket med næringsstoffer, herunder vitale mineraler og vitaminer.
Denne grøntsag fås i forskellige farver, og dens blade kan enten skrumpes eller glates.
Forskning siger sin evne til at øge hjertesundheden og hjælpe med behandling af betændelse og kræft. I dette indlæg dækker vi mere om, hvad forskellige undersøgelser angiver om kål og dets anvendelse.
Indholdsfortegnelse
- Hvordan er kål godt for dig?
- Hvordan gavner kål dig?
- Hvad er ernæringsprofilen for kål?
- Sådan inkluderes kål i din kost
- Hvad er bivirkningerne af kål?
Hvordan er kål godt for dig?
Kål indeholder fire vigtige antioxidanter. Disse er cholin, beta-caroten, lutein og quercetin.
Kolin kan forbedre hukommelsen og bekæmpe betændelse. Det kan også forhindre neurale rørdefekter hos gravide kvinder (1).
Betakaroten beskytter det humane DNA mod de dårlige virkninger af rygning (2).
Lutein kan forhindre aldersrelateret makuladegeneration (3).
Quercetin bekæmper skadelige bakterier og bekæmper sygdom (4).
Kål er også rig på vitamin C og K og B-vitaminer, der giver masser af andre fordele. Kål fås i forskellige varianter, herunder:
- Kanonkuglekål (også kaldet grønkål, den mest almindelige sort)
- Bok choy
- Choy sum
- Napa kål
- Savoykål
- rødkål
Uanset sort er fordelene ens. Cruciferous grøntsager er generelt en af de mest efterforskede fødevaregrupper. Kål tilfældigvis er blandt de populære. Det følgende afsnit kaster mere lys over, hvordan inkludering af kål i din almindelige diæt kan gavne dig.
Hvordan gavner kål dig?
Kål er rig på forskellige antioxidanter, herunder anthocyaniner og sulforaphan. Disse hjælper med at bekæmpe betændelse og de tilknyttede lidelser som hjertesygdomme og kræft. Fermenterede former for kål kan også øge din fordøjelsessygdom.
1. Kan fremme hjertesundhed
Rødkål er rig på anthocyaniner (5). Disse forbindelser er ansvarlige for dens karakteristiske røde farve. Undersøgelser forbinder anthocyaniner med en reduceret risiko for hjertesygdomme, selvom mere langsigtet forskning er berettiget (6).
Et højt indtag af anthocyaniner kan også reducere risikoen for myokardieinfarkt hos unge og middelaldrende kvinder. Yderligere forsøg burde give os mere information om dette aspekt (7). Disse anthocyaniner kan også sænke arteriel stivhed og potentielt reducere blodtrykket (8).
Sauerkraut, et fermenteret kålpræparat, fremmer også hjertesundheden (9). Det menes, at surkål neutraliserer tarmfloraen, hvis kemiske biprodukter kan hærde arterierne. Imidlertid er der behov for mere forskning for at etablere denne forbindelse.
Rødkål beskytter også hjertet ved at reducere niveauet af dårligt kolesterol i kroppen (10).
2. Kan forbedre fordøjelsessundheden
Kimchi, en anden gæret mad tilberedt af kål, kan fremme fordøjelsessygdommen. Det er rig på probiotika og fremmer fordøjelsessundheden på måder, der ligner yoghurt og andre mejeriprodukter. Kimchi forhindrer forstoppelse og fremmer også kolorektal sundhed (11).
Kål er også rig på både uopløselige og opløselige fibre. Førstnævnte tilføjer bulk til afføring og fremmer regelmæssighed (12). Sidstnævnte fremmer tarmvenlige bakterier (13).
3. Kan bekæmpe betændelse
Selvom betændelse i sig selv ikke er dårlig, er kronisk betændelse det. Cruciferous veggies, som kål, bekæmper kronisk betændelse (14).
I en undersøgelse viste kvinder, der havde det højeste indtag af korsblomstrede grøntsager, de laveste niveauer af betændelse. Undersøgelsen forbinder delvist indtagelsen af sådanne grøntsager med reduceret inflammation (15). Dette kan tilskrives en antioxidant kaldet sulforaphane til stede i korsblomstrede grøntsager (16). Sulforaphane kan også bremse bruskskader i leddene (17).
I en anden undersøgelse hjalp kålbladindpakninger med at lindre betændelse i knæet hos patienter med slidgigt. De kunne anbefales til dem med knæartrose, selvom mere forskning er berettiget (18).
Cabbage phytochemicals can also help fight health problems related to inflammation, including cancer and coronary artery disease (clogged Arteries) (19).
4. May Offer Protection From Cancer
Research is ongoing on the anticancer effects of sulforaphane. At the molecular level, this antioxidant has shown promising results (20).
Cabbage also contains another set of compounds called isothiocyanates. These may disarm carcinogens by getting them out of their toxic states and flushing them out of the body (21).
Cabbage contains another compound called brassinin, which also exhibits chemopreventive activity (22).
In rat and mouse studies, compounds in cabbage (cruciferous vegetables, in general) could inhibit the development of cancers of the bladder, breast, colon, liver, stomach, and lung (23), (24).
5. May Aid Diabetes Treatment
Red cabbage has antihyperglycemic properties, which can cut the risk of diabetic nephropathy (25). Red cabbage extract also shows promise in alleviating diabetes and its vascular complications (26).
In a study, oral administration of cabbage extracts lowered blood sugar levels in fasting rabbits and relieved diabetic symptoms in depancreatized dogs (27).
The anthocyanins in cabbage could also have a role in treating (and even preventing) diabetes (28).
6. May Promote Vision Health
The lutein in cabbage contributes to vision health. Lutein (along with another antioxidant called zeaxanthin) protects the retina and the lens against the ultraviolet light. Cabbage also contains trace amounts of zeaxanthin (29).
Cabbage also contains vitamin C, another nutrient that aids vision. It may regenerate vitamin E inside the eye, which is an antioxidant important for vision health (30).
7. May Strengthen Immunity
The vitamin C in cabbage could strengthen immunity, though more studies are needed to further validate this statement (31). The antioxidant stimulates the white blood cells that help form the first line of defense. It also promotes the maturation of T-cells, which are an important component of the body’s immune system (32).
8. May Help With Weight Loss
Fruits and vegetables containing fiber (including cabbage) can help with weight loss (33). Some individuals also believe in a particular weight loss diet made of cabbages, called the cabbage soup diet.
This diet involves the intake of large amounts of cabbage soup for seven days. You may also consume certain other fruits and veggies, brown rice, chicken, and beef.
Though proponents say it is a good way to lose a few pounds quickly, you shouldn’t be staying on it for more than a week because it lacks in complex carbohydrates, protein, and other vitamins and minerals (34).
9. May Improve Skin Health
Cabbage is rich in vitamin C. This nutrient boosts the production of collagen, a structural protein that helps with skin formation and wound healing (35).
As per mice studies, red cabbage may also have a role in preventing skin cancer (36).
10. Might Strengthen Hair
Cabbage contains quercetin. This antioxidant shows some promise in the treatment of alopecia areata (an autoimmune condition involving sudden hair loss). Mice studies show that subcutaneous injections of quercetin may induce hair growth in preexisting alopecic lesions (37).
We need more research in this regard, though. Of course, the studies have been promising. But we are yet to see how effective the quercetin in cabbage can be in boosting hair growth in humans.
The above benefits can undoubtedly be attributed to the powerful nutrients present in cabbage. Let’s take a look at its nutritional profile.
What Is The Nutrition Profile Of Cabbage?
Calories | Amounts Per Selected Serving | Total Carbohydrate | ||||||||||||||||||||||||||||||||||||||||
Protein | Amounts Per Selected Serving | Vitamin A | Vitamin E (Alpha Tocopherol) | Amounts Per Selected Serving | Calcium |
Including cabbage in your regular diet is one way of benefiting from these nutrients. In the following section, we will discuss how you can do that. How To Include Cabbage In Your DietThe first thing to do is pick the right cabbage. You need to choose one that is heavy for its size. Also, ensure the leaves are tight and firm. Loose leaves indicate the cabbage is older. You can eat this veggie raw, boiled, steamed, roasted, stuffed, or even sautéed. Don’t overcook cabbage as doing so leads to the characteristic sulfurous odor. Following are the ways you can include cabbage in your diet:
Eating raw cabbage can offer the greatest amount of nutrients, followed by fermenting and cooking. Plan your cabbage meals accordingly. But before you do that, you should know the possible side effects of cabbage. What Are The Side Effects Of Cabbage?Possible Issues During Pregnancy And BreastfeedingAvoid eating raw cabbage to cut the risk of food-borne illness (38). Ensure you cook cabbage properly before consumption. AllergiesIf you are allergic to other veggies from the cabbage family (like broccoli or cauliflower) (39), stay away from cabbage. May Lower Blood Sugar Way Too MuchIf you are already on diabetes medication, do check with your doctor before you start consuming cabbage (40). This is to ensure your blood pressure doesn’t go way too low. HypothyroidismCabbage may interfere with the thyroid hormone. If you have hypothyroidism, cut back (or even avoid) cabbage. This is truer with raw cabbage. Consult your doctor too (41). ConclusionCabbage is a nutrient-dense healthy food with a strong nutritional profile. Eating cabbage may help improve your digestive health, fight inflammation, and strengthen your immune system. However, be wary of the side effects. If you have hypothyroidism, check with your doctor before consuming cabbage. Expert’s Answers For Readers’ QuestionsHow to store cabbage? Wrap cabbage tightly in a plastic wrap (if it is already cut) or in a sealable plastic bag (if it is whole). You can store the cabbage in the crisper draw in your refrigerator for up to 2 to 3 weeks. Is cabbage keto? Since cabbage is comparatively low in carbohydrates, it can be a part of your keto diet. Is cooked cabbage is good for you? Eating raw or lightly cooked cabbage is good for health. Cooking cabbage at high temperatures for long periods destroys the active enzymes in it. Is cabbage healthier than lettuce? In terms of proteins and vitamins, cabbage is healthier than lettuce. A regular serving of cabbage meets 60% of the RDA of vitamin C intake, while lettuce only meets about 4% of the RDA of the vitamin (42), (43), (44). Cabbage also contains vitamin B6, while lettuce does not. Hence, cabbage could be a healthier option than lettuce. Is cabbage water healthy? Yes, cabbage water is healthy. Vitamins E and C in the vegetable can stimulate the digestive and immune systems. Drinking cabbage water is linked to many benefits, including weight loss, improved gut health, decreased inflammation, balanced hormones, and body detoxification. However, none of them have been scientifically proven. How long does it take cabbage juice to heal an ulcer? On average, cabbage juice can heal ulcers after 7-10 days of treatment. In one study, 13 participants with stomach and upper digestive tract ulcers were given around one quart (946 ml) of fresh cabbage juice throughout the day (45). What are the possible issues of eating cabbage during surgery? Cabbage may affect blood sugar control during and after surgical procedures. Avoid eating it at least two weeks before a scheduled surgery. 45 sourcesStylecraze has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. We avoid using tertiary references. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.
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