Benefits of Daikon or Chinese Radish

Updated on January 12, 2018
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Mazlan didn't think much about fitness and health before, but as age crept up on him he realized the importance of staying fit and healthy.

What is Daikon Radish?

Daikon Radish is both Japanese Radish or Chinese Radish except that Japanese Radish is thinner and longer compared to Chinese Radish. It looks like a white carrot and has a crisp texture with a mild taste compared to normal radish. It is used mainly in Oriental dishes but can also be eaten raw in a salad.

There are several types of radishes available in the market but daikon radish is the most popular from the medicinal point of view. Another popular radish for its healing properties is the black radish, which is common in the West.

Besides its medicinal and healing properties, the high nutritional content including Vitamin A, C, E and B-6, potassium, magnesium, calcium, iron, and fiber[7] are some of the reasons why daikon radish or Chinese radish should be part of your diet.

Daikon Radish is Also Known As

Daikon Radish or Japanese Radish / Chinese Radish is also known as

  • lor bark in Cantonese Chinese
  • chai tow in Hokkien Chinese
  • labanos in Filipino Tagalog
  • cu-cai trang in Vietnamese
  • mooli in Indian Hindi
  • lobak puteh in Malaysian/Indonesian
  • mu in Korean
  • hua chai tao in Thai

Research Works on the Benefits of Daikon Radish

Several studies were done to confirm its health benefits including its high anti-cancer properties[1]

I did some research on the Internet to confirm this and found some other amazing facts.

This article summarized what I found, especially the research works documenting the healing properties and benefits of eating daikon radish or Chinese radish.

However, this article is not intended as a medical advice but for general information only. If you are suffering or suspected of suffering from any medical condition, please get immediate medical attention.

Medical & Scientific Terms Explained

  • Phytochemicals: Compounds present in plants with antioxidant effects, known for its medical benefits.
  • Glucosinolate: Organic sulfur compounds found in certain plants that can detoxify human body of potential carcinogens (a substance that can cause cancer)
  • Glucoraphanin: Glucoraphanin is a form of glucosinolate
  • MTBGLS: Short for 4-methylthio-3-butenyl glucosinolate or Glucosinolate
  • MTBITC: Short for 4-methylthio-3-butenyl isothiocyanate, a cruciferous vegetable cell compound that is believed to have anticancer effects
  • Myrosinase: An enzyme that is responsible for the hydrolysis of glucosinolates
  • Antimicrobial: An agent that kills microorganisms, or suppressed their growth.
  • Antimutagenic: Reduce the rate of mutation of a microorganism
  • Anticarcinogenic: Reduces or delaying the occurrence cancer

1. A Promising Anti-Cancer Vegetable

Studies showed that eating plants with a high content of phytochemicals can help reduce the risk in several types of cancer[2][6].

Daikon or Japanese and Chinese radish is one of these vegetables that has an enzyme with the potential of an anti-cancer action.

Research on Daikon as Anti-Cancer Plant

In the paper presented by T.J. O'Hare and his team from Queensland Horticulture Institute, they established that daikon has a high content of glucoraphanin[5], which has the anticancer and anti-inflammatory properties.

This paper, titled 'Glucosinolate Composition & Anti-Cancer Potential of Daikon & Radish Sprout'[5], was presented at the International Symposium on Plants as Food and Medicine (XXVII International Horticultural Congress - IHC2006).

Below is an abstract of the report:

"Daikon and radish sprouts contain high levels of glucoraphenin, a glucosinolate which hydrolyses to form sulphoraphene. Sulphoraphene, like sulphoraphane from broccoli, is a potent inducer of phase 2 detoxification enzymes and consequently has potential anti-cancer action. Unlike broccoli however, daikon and radish do not possess epithiospecifier protein, a protein that inhibits conversion of glucosinolates to isothiocyanates, and consequently they may represent more suitable sources of phytochemicals with anti-cancer potential"

When one eats plants with glucoraphanin, this compound will release glucosinolates into the system, which will then be transformed into a bioactive compound that has anticancer property.

Do not Peel the Skin

In another study by scientists at Japan's Kyoto Prefecture University's Department of Food Sciences and Nutritional Health[3], they confirmed the enzyme, Myrosinase, is present in daikon.

Myrosinase will hydrolyze MTBGLS into MTBITC, which has the antimicrobial, antimutagenic, and anticarcinogenic properties.

They also confirmed that Myrosinase was found mainly on the outer skin of daikon. So, to enjoy the full benefits of daikon or Chinese radish do not peel the skin when preparing it for eating.

If the Chinese Radish came with the green attached, remove it as soon as possible as it draws nutrients from the root
If the Chinese Radish came with the green attached, remove it as soon as possible as it draws nutrients from the root | Source

2. An Antibacterial & Antiviral Agent

As mentioned earlier, studies by scientists at Japan's Kyoto Prefecture University's Department of Food Sciences and Nutritional Health[3] confirmed the presence of Myrosinase in daikon. The study also confirmed myrosinase has antimicrobial and antimutagenic properties.

Abstract from their research report states:

"Myrosinase is a cytosolic plant enzyme present in daikon (Raphanus sativus, Japanese white radish) roots that hydrolyzes 4-methylthio-3-butenyl glucosinolate (MTBGLS) into the natural pungent agent 4-methylthio-3-butenyl isothiocyanate (MTBITC), which possesses antimicrobial, antimutagenic, and anticarcinogenic properties"

Hence, eating daikon will assist you in fighting viral and bacterial infections. This will helps if you suffer from skin problems such as eczema and acne. You can also apply daikon juice directly to the affected skin area.

Benefits of Daikon Radish, at a Glance

  • Anti-cancer
  • Anti-bacterial & anti-viral: good for acne & eczema
  • Aids digestion
  • Aids Kidney functions
  • Remove body toxins
  • A good decongestant
  • Rich in Vitamin A,C, E & B-6
  • Rich in minerals Potassium, Magnesium, Calcium & Iron
  • High in fiber
  • Low caloric food
  • Aid weight loss
  • Classified as a balanced alkaline food
  • Used in beauty product and personal care

3. Aids Digestion & Kidney Function and Remove Toxins

Studies and laboratory analysis showed that raw daikon juice is rich in digestive enzymes amylase, diastase and esterase[4]. These enzymes will convert fats, proteins, and complex carbohydrates into compounds that are easy to digest.

This diuretic effect helps kidneys to process waste efficiently and improve kidney functions. It will also clean the blood and remove the toxin from our body.

Daikon is, therefore, a natural diuretic that will purify the urine.

Now you know why raw daikon radish is part of Japanese meal as it will assist in the digestion of oily and fatty foods such as tempura.

To enjoy these benefits make sure you eat the sliced or grated daikon immediately as the enzyme properties will lose half of its effect within 30-minutes of preparation.

4. Daikon Radish as a Decongestant

As a decongestant, the enzymes[4] in daikon radish will help decongest the lungs by dissolving the mucus and phlegm and removing it from your body. It does this by decreasing the inflammation and opening the respiratory tract.

This makes it an effective natural remedy for flu, asthma, and bronchitis.

Myyrosinase[3] that is present in daikon radish will also help fight the viral and bacterial infections.

5. A Balanced Alkaline Food

To stay healthy, our blood pH level must be between 7.35 to 7.45. This is slightly higher than pure distilled water, which is at a neutral 7.0.

As we tend to eat more acid-forming foods such as dairy products, meat, chicken, or fish, this may eventually lead to health problems.

To improve this situation, we must eat alkaline foods to balance the pH level in our body.

Daikon radish is one of these alkalizing balanced foods[13]. In fact, foods that are rich in magnesium, calcium, and sodium are usually alkaline forming.

As a guide to good balance, we must eat 65% alkaline foods and 35% acidic foods.

6. Daikon Radish for Weight Loss

The digestive enzymes amylase, diastase and esterase[4] in daikon will convert fats, proteins, and complex carbohydrates into compounds that are easy to digest.

This support the traditional Asian belief that eating daikon radish will help with weight loss.

Have You Used Daikon Radish for its Medicinal Properties?

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7. A Low-Calorie Energy Food

At only 18 calories for every 3 ounces of daikon radish, make this vegetable a low caloric energy food.

It is, therefore, a great vegetable to include in your diet for weight management. On top of that, it is also packed with antioxidants, vitamins, minerals, electrolytes and dietary fiber.

Daikon Radish Side-Effects

Although it is generally safe to eat[10], women who are pregnant or are breastfeeding should avoid more than the usual amount.

Eat in moderation as large consumption of radish can lead to digestive tract irritation.

I read articles that do not recommend radish if you have a gallstone. But there are also articles that say otherwise. This is based on the fact that daikon radish helps stimulate bile production. This will then break down fats, which is good if you have gallstone pain[12].

Tips when Using Daikon Radish

  • Do not peel the skin if you want to enjoy its full benefits
  • If eaten raw, consume it within 30-mins of preparation
  • If eaten raw, buy and prepare it on same day of purchase
  • Use it as soon as possible as daikon do not keep well
  • If you need to store it, wrap them individually in plastic wrap before keeping it in the refrigerator
  • If it came with the green attached, remove it as soon as possible as it draws nutrients from the root
  • Daikons that have maximum nutrients are those that are young and small in size (as its nutrients will be absorbed by the leaves, as daikon gets older)

Buying and Storing Daikon or Chinese Radish

Avoid buying daikon radish that is flaccid and limp. Select only those that are firm and crisp.

If the radish came with the green attached, cut the top as soon as you can as it tends to draw nutrients from the root.

Use it as soon as possible after purchase as they do not keep well. If you intend to eat it raw, buy and prepare it on the same day.

If you must keep it for a few days, clean and dry the daikon before storing. Wrap it individually in cling film before placing it in the refrigerator's vegetable drawer. This will conserve the moisture and crispness.

As mentioned earlier, daikon leaves will draw nutrients from its root. It is, therefore, better to eat daikon radish when it is young and small in size to get more of its nutritional benefits.

Supplements

If you want to enjoy the benefits of Daikon radish and do not want to be hassled with going to the market on a daily basis for fresh supply of Chinese radish, then the capsule version may solve your problem.

Daikon radish supplement is available in capsule or pill form and you can buy it online.

Daikon Juice

Another way to enjoy daikon is to take daikon in juice form. If the taste is not to your liking, then mix it with carrot juice or celery juice.

Try not to mix vegetables with fruits in your juice as both require different enzymes to digest. However, apple is the only exception that can mix well with vegetables.

Different Types of Radishes

Type of Radish
Description
Round Black Spanish Radish
This is a tough charcoal/black skin and grows well in cold climate. It has a dense and dry creamy white flesh with an extremely spicy flavor. Known for its medicinal value
Long Black Spanish Radish
Similar to Round Black Spanish, but longer and shaped like a thick carrot
Rat-Tailed Radish
A weird name for a radish that is grown for its crisp and spicy seedpods rather than its root
Cherry Belle Radish
This is the most common round red radish found in most American and European supermarkets
Easter Egg Radish
A mildly flavored radish that comes in various shades of white, pink, crimson and purple, all in one bunch
French Breakfast Radish
Another mildly flavored & crisp radish that is small and cylindrical shaped
Icicle Radish
An icicle-shaped radish that comes in white to red color
Daikon Radish
White and torpedo-shaped Asian variety radish known for its medicinal value
China Rose Radish
Similar in shape, but slightly smaller than daikon and is red colored skin
Watermelon Radish
A good variety for food presentation as it comes in a vibrant magenta veined flesh
Source

Daikin Radish Oil

Besides eating daikon fresh or as supplements, it can be used in personal care products.

Daikon radish oil is made from its seeds and it is colorless and odorless. For these reasons, it is used in many personal & beauty care products. The non-oily feel on the skin[4] is another good property of daikon oil.

This natural emollient is capable of reaching the lower skin layers and work from the inside out.

It is also used as a hair serum that helps to detangle and gives shine to the hair[11].

Enjoy the Benefits of Daikon or Chinese Radish

Daikon has many health benefits and it can help in so many ways. But we eat them only occasionally.

Remember that it is best when eaten raw. Do not to peel off the skin as it contains enzymes that give the most benefits. Alternatively, juice it.

Daikon is easily available in the market, so give it a try.

Daikon Recipe

Try this simple Daikon & Sunflower Sprout Salad. You need mirin (sweet cooking rice wine), rice wine vinegar, dried hot chili, daikon, sunflower sprouts and soy sauce.

For the recipe, visit saveur.com

References and Supporting Information

For more information, please read the following articles that I used as references.

  1. The American Society for Nutritional Sciences : Phytochemicals from cruciferous plants to protect against cancer
  2. : Macrobiotic Diet in Cancer
  3. Comparison of the glucosinolate-myrosinase systems among daikon varieties
  4. : Daikon Radish for health care
  5. International Society for Horticultural Science: Glucosinolate Composition & Anti-Cancer Potential of Daikon & Radish Sprout
  6. Canadian Family Physician: Role of nutrition in preventing cancer
  7. Daikon Nutritional Fact
  8. : Daikon Radish Oil
  9. Radish Side-Effect & Safety
  10. Comparative study on daikon radish oil vs. silicone for hair shine
  11. Gallbladder help: Healthy gallbladder and gallstone diet tips
  12. Alkalizing Foods: List of vegetables and fruits that are alkalizing and acidic

Questions & Answers

    © 2013 Mazlan

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      • greatstuff profile imageAUTHOR

        Mazlan 

        3 months ago from Malaysia

        Hi A. Thanks for sharing this useful and important info. Is there a site that I am made a reference to?

      • profile image

        4 months ago

        Don't mix carrot juice with daikon juice. It's a known incompatibility to mix daikon and carrot together.

      • greatstuff profile imageAUTHOR

        Mazlan 

        5 months ago from Malaysia

        Hi Toby. Thanks for sharing this useful info on daikon. I must search for more info on fermented daikon and its benefits.

      • profile image

        Toby Hunter 

        6 months ago

        Daikon is at it's best when fermented. I use it in Kimchi, Sauerkraut, and Just pickled Daikon. Fermentation takes it's health benefits to a new level.

      • greatstuff profile imageAUTHOR

        Mazlan 

        24 months ago from Malaysia

        Hi, Suzanne. It is best eaten raw as cooked Daikon will loose some of its benefits

      • profile image

        Suzanne umstead 

        24 months ago

        I wanted to know are the health benefits same cooked?

      • greatstuff profile imageAUTHOR

        Mazlan 

        3 years ago from Malaysia

        Hi Francine. Both white and Green Daikon are available in the market, but Green Daikon has a sharper taste. White Daikon is nicer and better in taste. But you seems to have no problem with the Green Daikon!

        Health-wise, Green Daikon is said to be better as cough remedy.

      • profile image

        Francine 

        3 years ago

        Hi .. I live in a small community in N. Alberta Canada. Although we do get some nice produce , not ever a big variety ever comes our way . Today I bought a huge Daikon radish , however it is green , and I cut my self a big chunk off of it and ate it anyway... yum !

        My question is , is it ok to eat green Daikon , any that I have ever seen ( cooking shows) have all been white .. should I have waited ?

      • greatstuff profile imageAUTHOR

        Mazlan 

        4 years ago from Malaysia

        Hi Lee, I didn't know that daikon will decompose if it is not taken out from the soil. Interesting piece of information. Thanks for sharing.

      • chefsref profile image

        Lee Raynor 

        4 years ago from Citra Florida

        Interesting, I've used Daikons in restaurants, on veggie trays and to carve but I had no idea they were so good for you. Guess I'll have to buy some seeds.

        I have read that daikons are good for the soil in a garden, the really big ones grow down and loosen the soil then if you don't eat them they can decompose and add organics to the soil.

        Lee

      • greatstuff profile imageAUTHOR

        Mazlan 

        5 years ago from Malaysia

        Om, thanks for sharing this info. I will update this article and add the Thai name for Daikon. Thanks also for dropping by and commenting.

      • Om Paramapoonya profile image

        Om Paramapoonya 

        5 years ago

        Hi! Thanks for sharing this wealth of information about daikon. I never knew it had so many health benefits. In Thailand, daikon is known as "hua chai tao." I didn't like it when I was a kid (I didn't like lots of things when I was a kid!), but now I enjoy it a lot more. Rated up and awesome!

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