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Solomon's Seal (Yu Zhu) - Powder Form 1 lb. - Plum Flower Brand

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Herbal Information on Solomon Seal  What is Polygonatum odoratum Rhizome in Traditional Chinese Medicine? Introduction to Polygonatum odoratum Rhizome Polygonatum odoratum, commonly known as Yu Zhu or Solomon's Seal…


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Herbal Information on Solomon Seal 

What is Polygonatum odoratum Rhizome in Traditional Chinese Medicine?

Introduction to Polygonatum odoratum Rhizome

Polygonatum odoratum, commonly known as Yu Zhu or Solomon's Seal Rhizome, is a highly valued herb in Traditional Chinese Medicine (TCM). This herb is renowned for its ability to nourish Yin, moisten dryness, and promote overall health and vitality. This article explores the botanical profile, historical significance, and therapeutic applications of Polygonatum odoratum rhizome in TCM.

Botanical Profile and Classification

Polygonatum odoratum is a member of the Asparagaceae family. It is a perennial herb that thrives in shady, woodland environments. The plant is characterized by its slightly fragrant, tubular flowers, and thick, fibrous rhizomes, which are the parts used in medicinal preparations.

Historical Significance in Traditional Medicine

how to use yu zhu, what are the health benefits of yu zhu, what is yin dificiencyAncient Uses and Cultural Relevance

The use of Yu Zhu in TCM dates back thousands of years. It is documented in numerous ancient Chinese medical texts for its properties that help to nourish Yin, clear heat, and generate fluids. Its applications have been crucial in maintaining health and treating ailments related to Yin deficiency and dryness.

Therapeutic Benefits of Yu Zhu - Polygonatum odoratum Rhizome

Nourishing Yin and Moistening Dryness

One of the primary uses of Yu Zhu is to nourish Yin, which represents the cooling, moistening, and calming aspects of the body. A deficiency in Yin can lead to dryness, heat, and various other imbalances. Yu Zhu effectively addresses these issues by:

  • Moistening the Lungs: It is particularly effective in treating dry coughs and respiratory conditions where there is a deficiency of lung Yin.

  • Relieving Dry Throat and Mouth: By generating body fluids, it helps in alleviating symptoms of dryness in the mouth and throat.

Enhancing Digestive Health

Yu Zhu is also beneficial for the digestive system. It aids in:

  • Supporting the Stomach and Intestines: By nourishing Yin and moistening dryness, it helps in promoting healthy digestion and relieving symptoms such as gastritis and constipation.

Anti-Aging and Antioxidant Properties

Rich in antioxidants, Yu Zhu helps combat oxidative stress, which is a major contributor to aging and various chronic diseases. Its regular use can help in:

  • Slowing Down the Aging Process: By reducing oxidative damage, Yu Zhu helps maintain youthful vigor and overall health.

Improving Overall Well-being

In addition to its specific therapeutic benefits, Yu Zhu is used to improve general health and well-being. It is often included in formulations aimed at:

  • Boosting Immunity: By nourishing Yin and generating fluids, it supports the body's natural defenses.

  • Promoting Energy and Vitality: Its nourishing properties help in maintaining energy levels and overall vitality.

Modern Research and Scientific Validation
Studies on Polygonatum odoratum Rhizome

Recent scientific studies have provided evidence supporting the traditional uses of Yu Zhu. Key findings include:

  • Antioxidant and Anti-Aging Effects: Research highlights its rich antioxidant content, which helps in reducing oxidative stress and promoting overall health.

  • Moisturizing and Healing Properties: Studies confirm its efficacy in treating dryness-related conditions, particularly in the respiratory and digestive systems.

Practical Applications and Usage

Common Name:   Solomon Seal

Botanical Name:   Polygonatum odoratum rhizome

Channels/Meridians:   Lung, Stomach

Pin Yin Name:   Yu Zhu

Other Names: Solomon's Seal, Siberian Solomon Seal, Jade Bamboo, Beatamaria in Catalan, Angular Solomon's Seal, Muhrusuleyman, Poligonato

Other Ingredients: None, nothing has been added to this product.

Package Size:   500 Grams   ( 1.1 pounds)

Form: Powder - Fine powder 80 to 100 mesh size (similar to the consistency of baking flour)

Origin: China

Brand: Plum Flower, species - authenticated herbs

Cautions: Do not use if pregnant or nursing.

California Prop 65 

Naturally Occurring Components:  Convallamarin, Convallarin,  Quercitol, Azetidine-2-carboxylic acid, Vitamin A, kaempferol

Product Properties:  Sweet, slightly cold, slightly bitter

Summary of  Solomon's Seal

  • Moisten Dryness
  • Nourish Lungs
  • Nourish Stomach Yin
  • Moisten Sinew

The rhizome of Polygonatum odoratum, also known as Yu Zhu, is a fundamental component of Traditional Chinese Medicine, renowned for its remarkable capacity to replenish Yin and alleviate dryness. Its wide-ranging medicinal properties establish it as a flexible and essential herb for addressing a multitude of health issues. Whether utilized on its own or in conjunction with other herbs, Yu Zhu provides a holistic and organic method for upholding health and overall wellness.


Check out our How to Use Bulk Herbs page to see how to use herbs correctly. Our web page is constantly expanding, as of today we have articles on:

  • How to make salves, poultice, tinctures, teas, capsules, gargles, and foot bathes.
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About Plum Flower Quality Herb Powders

Plum Flower is an established worldwide manufacturer of high-quality Chinese herbs, and innovative Chinese medicinal herbs and products. Plum Flower uses sulfur-free herbs and laboratory tests its products for contamination and heavy metals, such as mercury, lead, and pesticides.

  • Made at GMP internationally certified facilities (Good Manufacturing Practices) Quality control tests are done at the manufacturing site and at third party labs to confirm results.
  • Manufactured using Unsulfured, Chlorine free, Aluminum Phosphate free herbs when possible.
  • Microbials and heavy metals tested. No preservatives.

Chinese Traditional herbs should be regarded as an added feature to modern western healthcare, and not as a replacement. Chinese traditional herbs ( Teas ) emphasize harmony, and balance.



1 Review

  • Product

    Posted by David Tanner on Nov 3rd 2019

    Solomon's Seal (Yu Zhu), excellent product hope it always remains in stock.

Solomon's Seal (Yu Zhu) - Powder Form 1 lb. - Plum Flower Brand