Hey there, health seekers! Today, we're diving into the wonderful world of Lemon, a super common fruit with a long history in Traditional Chinese Medicine (TCM). You probably know it for its zesty flavor, but in TCM, it's also revered for its unique therapeutic properties.

lemon tcm benefits

Lemon

Other Names: Limengzi, Yimuzi, Limuzi, Limenggan, Yaoguo (Medicinal Fruit), Mengzi, Mengzi, Yimengzi, Yimuguo (Mother-friendly Fruit), Ningguo.

Nature and Flavor: Sour, sweet, and cool in nature.

Meridian Tropism: Enters the Stomach and Lung meridians.

Medicinal Part: The fruit of Citrus limonia Osbeck or Citrus limon (L.) Burm. f., plants of the Rutaceae family.

Morphological Characteristics: The fruit is nearly round or oblate, approximately 4.5 cm long and 5 cm in diameter. One end has a short fruit stem, about 3 cm long, while the other end has a papilla-like protrusion. The outer surface is yellowish-brown, densely covered with sunken oil spots. When longitudinally cut into two halves, it measures 3-5 cm in diameter, and the pulp sacs are strongly contracted. When transversely cut, the peel is everted, appearing white, with 8-10 pulp sacs. The seeds are long ovoid, ridged, and yellowish-white. It has a hard texture and tastes sour with a slight bitterness.

How to Use Lemon in TCM

Internal Use: An appropriate amount can be juiced and consumed, or eaten raw.

Preparation: The fruits are harvested in batches when they turn yellowish-green, then treated with ethylene for ripening to make the peel yellow. They can be used fresh or sliced and sun-dried.

Functions and Indications of Lemon

Functions: Generates body fluids, cools summer heat, harmonizes the stomach, and calms the fetus.

Indications: Primarily used for conditions like stomach heat causing fluid depletion, heatstroke-induced thirst, loss of appetite, abdominal fullness and distension, dry cough from Lung dryness, and pregnancy vomiting (PMID: 24701235).

Lemon Combinations and Formulas

Here are some traditional ways Lemon is combined with other herbs:

  1. **For Abdominal Qi Stagnation, Fullness, Distension, Belching, and Poor Appetite:** Take 10g Lemon, 10g Cyperus Rhizome (*Xiang Fu*), and 10g Magnolia Bark (*Hou Po*). Decoct in water and consume. (From *Sichuan Materia Medica*, 1979).
  2. **For Pregnancy Vomiting:** Take 500g fresh Lemon, peel and deseed it, then cut into pieces. Add 250g white sugar and macerate for 1 day. Then, simmer in a pot over low heat until the juice is almost dry, mix with a little more sugar, and consume as desired. (From *Popular Traditional Chinese Medicine*, 1990, (4): 11).
  3. **For Beauty, Invigorating Blood Circulation, and Relaxing Tendons:** Take 4 Lemons, peeled and sliced; 1 Apple, cored and sliced. Macerate them in 1 bottle of rice wine for at least 3 months and drink. (From *Taiwanese Herbal Medicine*).
  4. **For Mastitis:** Apply lemon juice as a wet compress to the affected area. (From *Xishuangbanna Dai Materia Medica*).

Historical Discussions on Lemon

Let's look at what historical texts have to say about Lemon:

  1. *Records of Guilin's Borders* (*Gui Hai Yu Heng Zhi*): "Extremely sour taste."
  2. *Sichuan Materia Medica*, 1979 edition: "Bitter, pungent, and neutral in nature."
  3. *Studies of Food* (*Shi Wu Kao*): "Juice relieves thirst; suitable for pregnant women; can ward off summer heat."

3-Second Self-Test & 30-Second Self-Rescue

  • **If** you're feeling sluggish from summer heat, thirsty, or have a poor appetite... **Then/Immediately** try adding some fresh lemon slices to your water or lightly flavored tea to help generate fluids and cool your system.
  • **If** you're experiencing mild, occasional nausea during pregnancy... **Then/Immediately** consider a small piece of fresh lemon or a few sips of lemon-infused water to help harmonize your stomach.

For informational purposes only. Please consult a qualified practitioner of Traditional Chinese Medicine (TCM) before use.

References

Citrus flavonoids contribute to gut health and may alleviate gastrointestinal inflammation. PMID: 31252514

Fruit-based beverages like lemon water can support hydration and fluid balance. PMID: 31649692

Inhaling lemon aroma has been shown to reduce nausea and vomiting during pregnancy. PMID: 24701235