11 Amazing Rhubarb Benefits

by John Staughton (BASc, BFA) last updated -

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The health benefits of rhubarb include its ability to promote weight loss, improve digestion, prevent Alzheimer’s, stimulate bone growth, avoid neuronal damage, boost skin health, optimize metabolism, improve circulation, and protect against various cardiovascular conditions.

What is Rhubarb?

Rhubarb is a unique looking plant with a very interesting history and it belongs to the Polygonaceae family of plants. Scientifically, it is an herbaceous perennial with leaves growing off the top of a thick rhizome.

Although widely considered as a vegetable, in America, it is considered a fruit, since it is mainly used as a fruit in culinary practices. The leaf stalks are actually the most commonly used parts of the plant, sometimes as a dessert or an ingredient in sweet dishes.

It is cultivated throughout the year in different parts of the world, so it is widely available in almost any season. It can be grown in greenhouses, resulting in “hothouse” rhubarb, which is sweeter and deeper red in color, while the traditional variety is grown outside.

Fresh rhubarb on a wooden table

What does Rhubarb Taste like?

The taste of rhubarb is somewhat similar to that of green apples, which is to say that it is tart. Usually, people add sugar to make it sweeter and then bake or cook it.

It is also often paired with strawberries because of the lovely pair of tart and sweet that they make. Some people also often compare the taste of it with celery.

Is Rhubarb Poisonous?

Interestingly enough, the stalks are the only things eaten from this plant, because the triangular leaves are extremely high in oxalic acid, which can cause severe illnesses in people, resulting in the common belief that rhubarb is poisonous. If the plant is subject to extreme cold, the dangerous acid can migrate into the stalk, so be sure to store it in a warm or temperate space, just like the climate it normally grows in.

Nutritional Value

One of the main reasons why people cultivate and eat rhubarb is for its astounding nutritional value. It is packed with minerals, vitamins, organic compounds, and other nutrients that make it ideal for keeping our bodies healthy. According to the USDA National Nutrient Database, these precious components are dietary fiber, protein, vitamin C, vitamin K, B complex vitamins, calcium, potassium, manganese, and magnesium. In terms of organic compounds, the plant is a rich source of polyphenolic flavonoids like beta-carotene, lutein, and zeaxanthin.

Nutrition Facts

Rhubarb, raw
Serving Size :
NutrientValue
Water [g]93.61
Energy [kcal]21
Protein [g]0.9
Total lipid (fat) [g]0.2
Carbohydrate, by difference [g]4.54
Fiber, total dietary [g]1.8
Sugars, total [g]1.1
Calcium, Ca [mg]86
Iron, Fe [mg]0.22
Magnesium, Mg [mg]12
Phosphorus, P [mg]14
Potassium, K [mg]288
Sodium, Na [mg]4
Zinc, Zn [mg]0.1
Vitamin C, total ascorbic acid [mg]8
Thiamin [mg]0.02
Riboflavin [mg]0.03
Niacin [mg]0.3
Vitamin B-6 [mg]0.02
Folate, DFE [µg]7
Vitamin B-12 [µg]0
Vitamin A, RAE [µg]5
Vitamin A, IU [IU]102
Vitamin E (alpha-tocopherol) [mg]0.27
Vitamin D (D2 + D3) [µg]0
Vitamin D [IU]0
Vitamin K (phylloquinone) [µg]29.3
Fatty acids, total saturated [g]0.05
Fatty acids, total monounsaturated [g]0.04
Fatty acids, total polyunsaturated [g]0.1
Fatty acids, total trans [g]0
Cholesterol [mg]0
Caffeine [mg]0
Sources include : USDA

Health Benefits of Rhubarb

Let’s see how the nutrients add up to the long list of health benefits that rhubarb can impart!

Weight Loss

Rhubarb is one of the vegetables with low calories and it is often recommended for people who are struggling to lose weight but still want to remain healthy. 100 grams of the plant contains only 21 calories, so feel free to load up on it without packing on any pounds. The impact that the various organic compounds in it have on the body’s metabolism can also dramatically increase the rate at which the body burns fat, thereby helping you lose weight in another way!

Treats Heart Diseases

The fiber present in rhubarb stalks is extremely helpful in lowering cholesterol levels. In an animal study published in the Nutriton Research journal, researchers found that rhubarb can actually help in regulating cholesterol levels even if you eat a moderately cholesterol-enriched diet.

Aids in Digestion

Our digestive system plays a huge part in our overall health, so it is important to keep the digestive system healthy and regulated. The high amount of dietary fiber found in rhubarb can guarantee a healthy digestive system by bulking up the stool and making sure that bowel movements are smooth and regular. It has traditionally been used as a cure for constipation, but it was only recently discovered why it had such a powerful effect. By easing constipation and other digestive issues, you can prevent a wide range of more serious gastrointestinal disorders, including bloating and cramping.

Prevents Alzheimer’s

A 2006 study published in the Brain Research Bulletin said that a rhubarb glucoside compound, rhaponticin, can protect the body against Alzheimer’s. In vitro results show the rhaponticin is positively linked to preventing the harmful effects of amyloid beta, which are peptides of 36-43 amino acids that are crucially involved in the formation of amyloid plaques found in the brains of patients suffering from Alzheimer’s disease. 

Improves Bone Health

Along with its role in protecting the brain from neural degeneration, vitamin K also promotes osteotropic activity, meaning that it stimulates bone growth and repair. Combined with the rich amount of calcium and other minerals found in rhubarb, the vegetable as a whole is a major player in bone protection.

Health benefits of rhubarb - infographic

Anti-cancer Properties

According to the researchers from the National University of Singapore, anthraquinones from rhubarb possesses anti-cancer properties and could have therapeutic potential. It is a good source of beta-carotene and other polyphenolic compounds like lutein and zeaxanthin which act in a similar way to vitamin A, protecting the skin and eyes from the effects of free radicals. A decent amount of antioxidants in your diet can help avoid premature aging, cataracts, macular degeneration, and wrinkles.

Improves Blood Circulation

The trace amounts of copper and iron found in rhubarb are enough to stimulate the production of new red blood cells, increasing the total RBC count in the body as well as oxygenation to essential areas of the body, thereby improving their function and boosting the overall metabolism of the body.

Treats Diabetes

The presence of a compound called rhaponticin in rhubarb helps improve the blood sugar levels in people and thereby helps prevent the condition of diabetes.

Other Benefits

Improves Vision

Rhubarb contains vitamin C and lutein, which are compounds that are very beneficial for good vision.

Treats Perimenopause Symptoms

This amazing plant can also help with perimenopause symptoms by reducing the occurrences of hot flashes, due to the presence of phytoestrogens.

Skin Care

Rhubarb being rich in vitamin A, an antioxidant, helps fight off free radicals and therefore delays the signs of aging including wrinkles and fine lines. It also acts as an antifungal and anti-bacterial agent and prevents skin infections and acne.

How to Store Rhubarb?

Before you store your rhubarb, you need to make sure its stalks are crisp and have a reddish tinge to them. Make sure the leaves are attached (not drooping) to ensure that it is still fresh. Once you’ve bought rhubarb, this is how you should store it.

Fresh

  • Step 1: Cut off the leaves.
  • Step 2: Cut off the imperfections.
  • Step 3: Wash and dry the plant.
  • Step 4: Wrap it in a paper towel or foil and refrigerate it!

How to Freeze Rhubarb?

  • Step 1: Chop off the leaves.
  • Step 2: Get rid of all the imperfections in the plant.
  • Step 3: Wash it properly and then dry the plant.
  • Step 4: Chop rhubarb into small and even pieces.
  • Step 5: Put it in a freezer bag and empty it of all the air.
  • Step 6: Put it in the freezer and use it throughout the year.

Note: Make sure to thaw and drain the frozen rhubarb before using it.

Rhubarb Uses

Rhubarb first appeared in the United Kingdom approximately 400 years ago and has since become highly prized for its unique flavor and sweet taste around the world. It is used in various dishes and recipes including the following:

  • Strawberry rhubarb pie
  • Cakes
  • Juices
  • Rhubarb sauce
  • Jams
  • Fruit wine or Sima
  • Compote

Rhubarb is also used for medicinal purposes in traditional Chinese and medieval Arabian and European medicine. The roots of this plant have been used as a laxative for thousands of years.

Word of Caution: Due to the potent nature of rhubarb, you should avoid it if you have a pre-existing kidney condition or certain gastrointestinal conditions, as it can make them worse. Also, be careful that children or pets do not eat the rhubarb leaves. There have been some cases of death due to the toxic levels of oxalic acid contained in the leaves. Other than that, rhubarb is delicious, so enjoy it!

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About the Author

John Staughton is a traveling writer, editor, and publisher who earned his English and Integrative Biology degrees from the University of Illinois in Champaign, Urbana (USA). He is the co-founder of a literary journal, Sheriff Nottingham, and calls the most beautiful places in the world his office. On a perpetual journey towards the idea of home, he uses words to educate, inspire, uplift and evolve.

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