Japanese Raisin Tree: Complete Guide

Japanese Raisin Tree: Complete Guide

If you're looking into the Japanese Raisin Tree, you've come to the right place. As a supplement manufacturer that uses Japanese Raisin Tree, we have years of experience and research. In this complete guide, we'll share with you everything you need to know about Japanese Raisin Tree.

Japanese Raisin Tree

The Japanese Raisin Tree, scientifically known as Hovenia dulcis, is tree native to eastern Asia — particularly Japan, China, and South Korea.

It is commonly referred to as the "Japanese Raisin Tree" or "Oriental Raisin Tree" due to its fruit that has a raisin-like appearance. This tree has a rich history and plays a significant role with oriental herbalists and traditional medicine dating back hundreds of years.

Japanese Raisin Tree Supplements

One of the most popular modern usages of Japanese Raisin Tree is in supplements for its many functional benefits. It's made in a variety of different ways for consumption:

  • Japanese Raisin Tree Tea
  • Japanese Raisin Tree Tablets
  • Japanese Raisin Tree Pills
  • Japanese Raisin Tree Chewables
  • Japanese Raisin Tree Extract Powder

These different formats of Japanese Raisin Tree allow you to take this miraculous fruit for its vast range of benefits to the body.

6 Japanese Raisin Tree Benefits

Japanese Raisin Tree offers several benefits that promote overall well-being while helping travel, altitude, and drinking.

Let's explore these six Japanese Raisin Tree benefits in detail:

1. Liver Support

One of the most well-known benefits of the Japanese Raisin Tree is its liver-protective properties. The fruit of this tree has been traditionally used to aid in detoxification and promote the healthy functioning of the liver. Studies have shown hepatoprotective effects from even the seeds of Japanese Raisin fruit (research on fatty liver and alcoholic liver injury).²

2. Alcohol Consumption

Japanese Raisin Tree has long been used for alcohol consumption, mainly due to its liver supporting properties. Modern research has shown its peduncles (stalks) to help alcohol-induced liver issues.³

3. Lower Fatigue

Via its anti-stress and antioxidant activities, Japanese Raisin showed an anti-fatigue effect. This could be very beneficial to fitness including endurance or aerobic exercise.⁵

4. Enhance Performance

Research has shown Japanese Raisin to enhance physical activity.⁵ Whether cycling, climbing, running, or sports activities, its increasing being proved a promising herb for athletics.

5. Altitude Aid

A high altitude study showed DHM, the flavonoid contained in Japanese Raisin, to improve high-altitude physical performance.⁶ The means of action for altitude aid is helping to maintain healthy mitochondrial function.

6. Increase Antioxidants

One of the main reasons for all of Japanese Raisin Tree benefits is its rich antioxidant profile.⁷ By playing a role in helping to maintain antioxidant levels in the body, it can help against harmful free radicals and oxidative stress.

In summary, these are the six most popular Japanese Raisin Tree benefits and usages — including liver support, alcohol consumption, lowering fatigue, enhancing performance, altitude aid, and increasing antioxidants.

What Does Raisin Tree Fruit Taste Like?

The fruit of the Japanese Raisin Tree is not only beneficial for health but also adds a unique flavor to culinary creations and functional foods. The fruit has a sweet taste that's similar to sugar with a touch of cinnamon, and textured like a dry raisin.

In China, South Korea, and Japan — the dried fruits and leaves contain natural sweeteners used in tea, wine, and candy. As a functional food it's used in beverages, noodles, and other food products, and as a supplement it's used in pills, tablets, and powders.

Japanese Raisin Tree Extract

If you're using Japanese Raisin for functional and supplemental reasons, you'll want to find a pure blend that includes all the flavonoids and biologically active compounds.

From Dihydromyricetin (DHM) to Quercetin, Japanese Raisin naturally contains a synergistic mix of highly potent components that aid the body.

At Zaca, we use a proprietary blend that not only includes the Japanese Raisin fruit, but also the seeds and peduncles. These have all been shown in studies to be effective and beneficial.

Naturally Occurring Ingredients In Japanese Raisin Tree Extract:

  • Dihydromyricetin (DHM or Ampelopsin)
  • Quercetin
  • Hovenitin I
  • Hodulosides I – V
  • Myricetin
  • Saponin derivatives
  • Hovenodulinol
  • Taxifolin
  • (+)-Afzelechin
  • (−)-Catechin

These are the ingredients that make up Japanese raisin tree extract that we use in our chewable tablets.


Does Japanese Raisin (Oriental Raisin) Have Caffeine?

No, Japanese Raisin (Oriental Raisin) does not naturally contain any caffeine.

Unless the tea or food has added other ingredients such as green tea, it should have no stimulant effects. Zaca's chewables contains a high amount of Japanese Raisin without any caffeine.

What Are The Different Names For Japanese Raisin Tree?

With so many different names for this highly prized herb, Japanese Raisin Tree is known by many in eastern Asia and traditional medicine.

Names include Hovenia Dulcis, Oriental Raisin, Chinese Raisin, Korean Raisin, and Jiguja.

Japanese Raisin Tree Extract Side Effects

While Japanese Raisin Tree extract is known to not have any side effects, there is concern over using the isolated flavonoid from the plant called DHM.

Where this causes concern is it's isolated from the natural plant that contains supporting components, and usually extracted from Vine Tea. We do not use this isolated form called DHM in Zaca.

To read more, you can see our write-up about DHM side effects.

Zaca Chewables, Top-Rated Japanese Raisin Tree Supplement

Japanese Raisin Tablets
As a premium and proprietary Japanese Raisin tree supplement, Zaca chewables helps you bounce back faster. Formulated with a potent extract of japanese raisin, it includes the seeds, peduncles, and fruit for the most synergistic and powerful results. With supporting antioxidants and amino acids, these chewables aid you to rehydrate, replenish, and recover. In easy-to-use portable packets, conveniently take 2-4 chewables anytime you need it. Try Zaca's chewable supplement today and discover the cherished benefits of Japanese Raisin tree!


1. Hovenia Dulcis (Japanese Raisin Tree or Oriental Raisin Tree)
2. Hepatoprotective Effects Of Hovenia Dulcis Seeds Against Alcoholic Liver Injury
3. Effects Of Hovenia Dulcis Peduncles On Chronically Alcohol-Induced Liver Damage
4. Treatment Of Chronic Liver Injuries - Extract Of The Fruit Of Hovenia Dulcis
5. Anti-Fatigue Activity Of Hovenia Dulcis
6. Dihydromyricetin Improves Physical Performance Under Simulated High Altitude
7. Hepatoprotective Effects Of Hovenia Dulcis Seeds Against Alcoholic Liver Injury
8. Japanese Raisin Hovenia Dulcis – An Asian Traditional Herb
9. Hovenia Dulcis (Raisin Tree) Fruit Tea
10. Plant-derived sweetening agents: saccharide and polyol constituents of some sweet-tasting plants
11. Japanese Raisin Tree