Pinyin: Xing Ren  Chinese: 杏仁
Pharmaceutical: Semen armeniacae
Taxonomy: Prunus armeniaca seu mandshurica seu sibirica
English: Bitter Apricot Kernel

Tastes: Bitter, slightly warm, slightly toxic
Meridians Entered: Lung and Large Intestine

Actions & Indications:

1. Stops coughing and calms wheezing
   Coughs due to either Heat or Cold (depending on combination) Wind-Dry coughs (especially useful)
2. Moistens the Intestines and unblocks the bowels
   Constipation

Standard Dosage: 3-10g in decoction.
Cautions: It should not be overused for its slight toxicity. It should be used with cautions for infants and patients with diarrhea.

Pinyin: Qian Hu  Chinese: 前胡
Pharmaceutical: Radix Peucedani
English: Hogfennel Root

Tastes: Bitter, pungent, slightly cold
Meridians Entered: Lung

Actions & Indications:

1. Expels Phlegm and descends Qi
   Lung Heat (cough, wheezing, thick Phlegm)
2. Expels Wind-Heat
   Wind-Heat with a headache and coughing (most suitable when Wind-Heat constrains the Lungs)

Standard Dosage: 6-10g in decoction.

Pinyin: Zi Su Geng  Chinese: 紫苏梗
Pharmaceutical: Caulis Perillae
English: Perilla Stem

Tastes: Sweet, pungent, slightly warm
Meridians Entered: Spleen, Stomach and Lung

Actions & Indications:

1. Promotes the flow of Qi, harmonizes the Middle Jiao, expands the chest and benefits the diaphragm
   Qi Stagnation in the chest and abdomen with focal distention or a stifling sensation that may lead to hypochondriac distention and pain Hiccup
2. Calms the fetus (anti-abortion), and stops nausea and vomiting
   Morning sickness Restless fetus

Standard Dosage: 5-10g in decoction.

Pinyin: Chen Pi  Chinese: 陈皮
Pharmaceutical: Pericarpium Citri Reticulatae
Taxonomy: Citrus spp.
English: Aged Tangerine Peel

Tastes: Pungent, bitter, warm
Meridians Entered: Spleen and Lung

Actions & Indications:

1. Regulates Qi, adjusts the Middle and relieves the diaphragm
   Spleen/Stomach Qi Stagnation with epigastric or abdominal distention, fullness, bloating, belching, nausea and vomiting
2. Dries Dampness and transforms Phlegm
   Phlegm-Damp Obstructs the Lung with coughing, a stifling sensation in the chest and/or diaphragm and copious, viscous sputum
   Turbid Damp Obstructs the Middle with a stifling sensation in the chest, abdominal distention, anorexia, fatigue, loose stools and a thick, greasy tongue coat
3. Helps prevent Stagnation from tonic herbs
   Tonic herbs causing Stagnation
4. Descends Qi
   Qi Rebellion
5. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, remove foul breath, precipitate the Qi, and enable one to communicate with spirits. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).
6. Suppresses Gu Parasites
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)

Standard Dosage: 3-10g in decoction.

Pinyin: Dan Dou Chi  Chinese: 淡豆豉
Pharmaceutical: Semen Sojae Preparatum
Taxonomy: Glycine max
English: Fermented Soybean

Tastes: Pungent, bitter and cool
Meridians Entered: Lung and Stomach

Actions & Indications:

1. Releases the Exterior
   Wind-Cold or Wind-Heat
   Yin Deficiency with superimposed Exterior disorders
2. Eliminates irritability, harmonizes the Middle Jiao and relieves stuffy sensations in the chest
   Irritability, restlessness, insomnia, stifling sensations in the chest and insomnia following a febrile disease

Standard Dosage: 10-15g in decoction.

Pinyin: Zhi Ke  Chinese: 枳壳
Pharmaceutical: Fructus Aurantii
Taxonomy: Citrus aurantium
English: Seville Orange / Bitter Orange / Sour Orange

Tastes: Bitter, pungent, sore and slightly cold
Meridians Entered: Spleen and Stomach

Actions & Indications:

1. Promotes the movement of Qi, reduces distention and pressure and resolves hardenings
   Qi Stagnation and accumulation (especially in weak or deficient patients)
2. Removes stagnated food
   Food Stagnation

Standard Dosage: 3-10g in decoction.
Cautions: Used with caution for pregnant women.

Pinyin: Jie Geng  Chinese: 桔梗
Pharmaceutical: Radix Platycodi
English: Balloon Flower Root

Tastes: Bitter, pungent, neutral
Meridians Entered: Lung

Actions & Indications:

1. Opens the Lungs, spreads Lung Qi, expels Phlegm and benefits the throat
   Cough due to Wind-Cold or Wind-Heat (with profuse sputum, sore throat, loss of voice)
   Loss of voice or sore throat due to external Heat, Phlegm Heat or Yin Deficiency Heat
2. Expels pus
   Lung or throat abscess (Phlegm and Qi Stagnation) with fevers, chest pain, coughing of yellow sputum with a fishy smell and hemoptysis
3. Opens and raises Lung Qi, directing the effects of other herbs to the upper body
   Reinforces the actions of the other herbs and focuses the formula on the upper body
4. Expels Gu Toxins
   Vomiting blood due to Gu-Toxins (with Gan Cao; in the Soushen Ji, Record of Searching for Spirits; Wilcox, 2024).

Standard Dosage: 3-10g in decoction.
Cautions: Overdose can cause nausea and vomiting.

Pinyin: Cong Bai  Chinese: 葱白
Pharmaceutical: Bulbus Allii
English: Spring Onion / Green Onion / Scallion / Fistular Onion Stalk

Tastes: Pungent, warm
Meridians Entered: Lung and Stomach

Actions & Indications:

1. Releases the exterior and induces sweating
   Wind-Cold especially very early stages
2. Disperses Cold and unblocks Yang
   Abdominal pain due to blockage of Yang Qi by Cold
   Nasal congestion and pain due to blockage of Yang Qi by Cold
3. Relieves toxicity and disperses clumps
   Toxic sores and abscesses (topical)
4. Kills parasites
   Abdominal pain due to Intestinal parasites

Standard Dosage: 3-10g in decoction.