Description
Polygonatum Odoratum / Solomon Seal
Hai Zhu · (海竹)
Botanical Name : Polygonatum odoratum
Category : Yin Tonic
Neutral in nature. Sweet in taste. It enters the lung and stomach meridians.
In Chinese medicine, Yu Zhu is most often linked to the gentle, daily moistening of Lung and Stomach Yin, the pattern behind a chronic dry throat and mild dry cough that flare in dry climates. Its neutral, sweet nature may help rebuild fluids slowly through pork soup and congee, while people with damp-phlegm or Spleen deficiency should use it sparingly.
Gentle Yin tonic that moistens Lung and Stomach. Used for dry throat and dry skin.
TCM Properties
Polygonatum Odoratum functions as a food-grade Yin tonic that gently moistens the Lung and Stomach channels without the cooling intensity of mai dong or the heavy richness of Prepared Rehmannia. Its sweet, neutral nature rebuilds fluid reserves through everyday cooking, which may help address the slow dryness that accumulates from climate, aging, or post-illness depletion when stronger tonics would overwhelm a recovering digestive system.
Health Benefits
Nourishes Lung Yin and moistens dryness
Polygonatum Odoratum is a gentle lung yin tonic, milder than mai dong and more appropriate for long-term use. For the chronic dry throat and mild dry cough that come from living in dry climates or aging, Polygonatum Odoratum provides slow, sustainable moistening without the cooling intensity of stronger yin herbs.
Nourishes Stomach Yin and generates fluids
For the loss of appetite and dry mouth that accompany stomach yin deficiency, Polygonatum Odoratum’s sweet, mild nature restores the stomach’s fluid environment. It is often cooked with lean pork in soup, a traditional Cantonese remedy for post-illness appetite recovery.
May support recovery from febrile illness
Polygonatum Odoratum is used in the recovery phase of febrile illness when yin has been damaged but not severely. Its gentle nature makes it appropriate when stronger yin tonics might be too much for a recovering digestive system.
Gentle, food-grade moistening for daily use
What sets Polygonatum Odoratum apart from other yin tonics is its food-grade mildness. It can be added to daily soup without measurement, making it one of the most accessible yin-nourishing foods in Chinese home cooking.
Commonly Used For
· People with a chronic dry throat and mild dry cough from dry environments, especially when dryness extends to the mouth and appetite is reduced
TCM Interpretation: Environmental dryness gradually depletes lung yin, producing a persistent dry throat and occasional dry cough. Polygonatum Odoratum’s mild, moistening nature counteracts this daily depletion.
Why Polygonatum Odoratum Helps: A weekly soup of Polygonatum Odoratum with pork and lily bulb provides consistent, gentle moistening. The effect is subtle but prevents the gradual deepening of dryness.
· Those with reduced appetite and dry mouth after illness
TCM Interpretation: Post-illness, the stomach yin is often depleted, causing dry mouth and lack of appetite. Polygonatum Odoratum’s sweet, gentle nature rebuilds this yin without overwhelming a recovering digestive system.
Why Polygonatum Odoratum Helps: Cooked in a clear soup with lean pork, Polygonatum Odoratum creates a nourishing but easily digested meal that gently restores appetite and fluid balance.
Which Body Types Benefit Most
· Yin Deficient
Common Usage
· in soup, decoction and tea
· Culinary
Cook 10-15g in soup or congee with pork.
Dosage: 10-15g per day.
Preparation Notes: Polygonatum Odoratum is neutral in nature, making it balanced for most constitutions. For tea, steep 5-10 minutes. For soup, simmer 30-60 minutes. Store in an airtight container in a cool, dry place for up to 12 months.
Dietary Advice
Soak dried Polygonatum Odoratum slices for 1 hour, then simmer in clear soup with lean pork, lily bulb, and a few red dates for 1 to 2 hours. The soup should be clear and mildly sweet. For a simpler preparation, brew Polygonatum Odoratum slices in hot water as a daily throat-moistening tea. Avoid if you have damp patterns with heavy phlegm, as its moistening nature may increase stickiness.
Precautions
- Avoid during acute colds, fever, sore throat, cough or infections
- Avoid if damp-phlegm
- Not for Spleen deficiency
- Generally very safe
Consultation with a physician / healthcare professional is advised prior to consumption for those with diabetes, any ongoing medical conditions, known allergies, or individuals on medication, especially when you have underlying health conditions.
** Disclaimer : Not a substitute for medicine. Individual results may vary.
