Chinese Honeylocust Spine

Chinese
皂刺
Pinyin
Zao Ci
Latin
Spina Gleditsiae
Scientific specimen plate of Spine of Chinese Honeylocust, Spina Gleditsiae, showing Zao Ci thorn material and diagnostic source details.
Botanical plate by Kodi .

Known in TCM as Zao Ci (皂刺), this acrid, warm herb enters the Liver and Stomach. Traditionally, it reduces swelling and expels pus ... Zao Ci is classically used for sores, carbuncles, breast abscesses, and nodules that are slow to ripen or drain, most often applied for abscess, breast abscess, and scrofula. Modern research has identified Triterpenes among its active constituents.

Part used: Spine

Also Known As

Zao Jiao Ci Spine of Chinese Honeylocust Gleditsia spine

Latin: Spina Gleditsiae | Pinyin: Zao Ci | Chinese: 皂刺

TCM Properties

Taste
acrid
Temperature
warm
Channels
Liver, Stomach

Traditional Use

Primary Actions

  • Reduces swelling and expels pus ... Zao Ci is classically used for sores, carbuncles, breast abscesses, and nodules that are slow to ripen or drain.
  • Dispels wind and opens the collaterals in older usage ... some traditions extend the thorn to stubborn wind-damp pain and surface obstruction.
  • Disperses phlegm and resolves scrofula-type nodules ... the thorn is sharper and more outward-moving than many softer detoxifying herbs.

Secondary Actions

  • This shorter-name raw-thorn lane should stay aligned with the more canonical `spine-of-chinese-honeylocust-2` sibling rather than treated as a different plant.
  • Modern conservation-era substitution discussions sometimes mention Zao Jiao Ci as a plant alternative where older suppuration formulas once used pangolin materials.

Classic Formulas

  • Tou Nong San ... classical suppuration-promoting formula logic for chronic abscesses and pus that will not vent.
  • Breast-abscess pairings with Gua Lou and Pu Gong Ying ... traditional detoxifying and opening strategy.
  • Scrofula and hard-swelling combinations with heat-toxin-clearing herbs ... older external and internal use lane.

Classical References

  • Traditional herbology describes Zao Ci as sharp, warm, and suppuration-promoting, especially for swellings that have not yet opened.
  • The thorn record should be kept separate from the Chinese honeylocust fruit because the fruit and spine do not share the same clinical center of gravity.

Modern Research

Active Compounds

  • Triterpenes
  • Flavonoids
  • Phenolic constituents
  • Gleditsia spine aqueous extract fractions

Studied Effects

  • A 2016 mini-review summarized traditional usage, chemistry, and pharmacologic evidence for Spina Gleditsiae, supporting its modern relevance as an anti-inflammatory and detumescence-oriented medicinal (PMID 27433183).
  • Experimental work found anti-inflammatory effects from aqueous extract of Zao-Jiao-Ci in vitro and in vivo, providing a mechanism-facing bridge to the classic swelling and abscess use (PMID 27401288).
  • A 2021 metabolomic study explored the basis of antidepressant effects attributed to Gleditsiae spina, showing how modern research on the thorn now extends beyond its classic detoxifying use (PMID 34094035).

PubMed References

Safety & Interactions

Contraindications

  • Pregnancy
  • Weak patients without clear swelling, toxin, or hard-nodule indication

Cautions

  • The thorn is more dispersing and suppuration-promoting than gentle tonic herbs, so it should be used purposefully.
  • Abscess or breast infection with systemic illness still requires appropriate medical evaluation.

Conditions

Frequently Asked Questions

What is Chinese Honeylocust Spine used for?

Chinese Honeylocust Spine is traditionally used to Reduces swelling and expels pus ... Zao Ci is classically used for sores, carbuncles, breast abscesses, and nodules that are slow to ripen or drain., Dispels wind and opens the collaterals in older usage ... some traditions extend the thorn to stubborn wind-damp pain and surface obstruction., Disperses phlegm and resolves scrofula-type nodules ... the thorn is sharper and more outward-moving than many softer detoxifying herbs.. Research has investigated its effects on: A 2016 mini-review summarized traditional usage, chemistry, and pharmacologic evidence for Spina Gleditsiae, supporting its modern relevance as an anti-inflammatory and detumescence-oriented medicinal (PMID 27433183).; Experimental work found anti-inflammatory effects from aqueous extract of Zao-Jiao-Ci in vitro and in vivo, providing a mechanism-facing bridge to the classic swelling and abscess use (PMID 27401288)..

What are other names for Chinese Honeylocust Spine?

Chinese Honeylocust Spine is also known as Zao Jiao Ci, Spine of Chinese Honeylocust, Gleditsia spine. In TCM: 皂刺 (Zao Ci); Spina Gleditsiae.

Is Chinese Honeylocust Spine safe during pregnancy?

Chinese Honeylocust Spine is not recommended during pregnancy.

What are the contraindications for Chinese Honeylocust Spine?

Chinese Honeylocust Spine should not be used in: Pregnancy; Weak patients without clear swelling, toxin, or hard-nodule indication. Consult a qualified practitioner before use.