Natural Herb Library

Ginger Charcoal

Chinese
黑姜
Pinyin
Hei Jiang
Latin
Rhizoma Zingiberis Carbonisatum
Botanical illustration of Prepared Ginger, Zingiber officinale, showing blackened processed ginger chunks and diagnostic source details.
Botanical plate by Kodi .

Known in TCM as Hei Jiang (黑姜), this bitter and astringent, warm herb enters the Liver, Spleen, and Stomach. Traditionally, it warms the channels and stops bleeding ... Hei Jiang is used when deficiency-cold drives uterine bleeding, blood in the stool, or other leakage that needs both warmth and hemostatic restraint, most often applied for abnormal uterine bleeding, diarrhea, and abdominal pain. Modern research has identified 6-Shogaol-enriched among its active constituents.

Part used: Rhizome

Also Known As

Charred Ginger Jiang Tan Prepared Ginger

Latin: Rhizoma Zingiberis Carbonisatum | Pinyin: Hei Jiang | Chinese: 黑姜

TCM Properties

Taste
bitter, astringent
Temperature
warm
Channels
Liver, Spleen, Stomach

Traditional Use

Primary Actions

  • Warms the channels and stops bleeding ... Hei Jiang is used when deficiency-cold drives uterine bleeding, blood in the stool, or other leakage that needs both warmth and hemostatic restraint.
  • Retains some cold-dispelling action while shifting away from strong pungent dispersal ... compared with Gan Jiang, the blackened form sacrifices much of the ordinary warming-middle role in favor of bleeding control.
  • Supports treatment of cold middle-burner pain and diarrhea when bleeding or chronic leakage is also part of the presentation.

Secondary Actions

  • Market naming varies ... some lineages overlap Hei Jiang with Jiang Tan or ginger charcoal traditions, but the clinical idea is consistent: darker higher-heat processing creates a stronger hemostatic ginger form.
  • This page should stay clearly separate from the lighter roasted Pao Jiang sibling, which still warms the middle more strongly than the more carbonized Hei Jiang.

Classic Formulas

  • Ru Sheng San (如圣散) pairing logic ... charred or blackened ginger is classically combined with hemostatic charcoals for deficiency-cold uterine bleeding.
  • Ai Ye and Pao Jiang or Hei Jiang combinations ... traditional gynecologic strategy when cold-pattern bleeding and abdominal pain occur together.
  • Cold-bleeding modifications of warming-middle formulas ... used when a practitioner wants ginger's warming action but needs a stronger blood-stopping emphasis.

Classical References

  • Traditional processing doctrine treats darker and more carbonized ginger products as progressively stronger at stopping bleeding and progressively weaker at dispersing cold.
  • Hei Jiang is therefore not a culinary ginger page and should not be read as a casual food-grade spice record.
  • PREPARATION NOTE: this record preserves the blackened ginger lane rather than flattening it into either Gan Jiang or Pao Jiang.

Modern Research

Active Compounds

  • 6-Shogaol-enriched processed ginger fractions ... pungent heat-processed compounds associated with the hotter ginger profile
  • Residual gingerols and zingerone-related phenolics ... supportive processed-ginger constituents
  • Processing-generated carbonized and Maillard-reaction products ... relevant to charcoal-style ginger chemistry

Studied Effects

  • A 2024 review of one-source multiple-processed ginger products emphasized that baked ginger and ginger-charcoal forms have distinct clinical identities rather than being interchangeable with fresh or plain dried ginger (PMID 38997763).
  • A 2024 quality-assessment review showed that drying and processing materially alter ginger chemistry and safety-relevant markers, supporting why processed ginger grades should not be collapsed into a single undifferentiated ginger record (PMID 41508197).
  • Most indexed studies still focus on parent dried ginger or processed-ginger systems rather than on Hei Jiang alone, so modern claims for this page remain more processing-science and traditional-use driven than trial-based.

PubMed References

Safety & Interactions

Contraindications

  • Heat-pattern bleeding
  • Yin deficiency heat or fluid depletion without true cold
  • Casual self-treatment of significant bleeding

Cautions

  • Hei Jiang is a concentrated processed medicinal form, not an ordinary culinary ginger product.
  • Wrong-pattern use can aggravate heat, dryness, or thirst instead of helping bleeding.
  • Meaningful bleeding always warrants medical evaluation rather than relying on a charcoal herb alone.

Conditions

Frequently Asked Questions

What is Ginger Charcoal used for?

Ginger Charcoal is traditionally used to Warms the channels and stops bleeding ... Hei Jiang is used when deficiency-cold drives uterine bleeding, blood in the stool, or other leakage that needs both warmth and hemostatic restraint., Retains some cold-dispelling action while shifting away from strong pungent dispersal ... compared with Gan Jiang, the blackened form sacrifices much of the ordinary warming-middle role in favor of bleeding control., Supports treatment of cold middle-burner pain and diarrhea when bleeding or chronic leakage is also part of the presentation.. Research has investigated its effects on: A 2024 review of one-source multiple-processed ginger products emphasized that baked ginger and ginger-charcoal forms have distinct clinical identities rather than being interchangeable with fresh or plain dried ginger (PMID 38997763).; A 2024 quality-assessment review showed that drying and processing materially alter ginger chemistry and safety-relevant markers, supporting why processed ginger grades should not be collapsed into a single undifferentiated ginger record (PMID 41508197)..

What are other names for Ginger Charcoal?

Ginger Charcoal is also known as Charred Ginger, Jiang Tan, Prepared Ginger. In TCM: 黑姜 (Hei Jiang); Rhizoma Zingiberis Carbonisatum.

Is Ginger Charcoal safe during pregnancy?

The safety of Ginger Charcoal during pregnancy has not been established. Consult a qualified healthcare provider before use.

What are the contraindications for Ginger Charcoal?

Ginger Charcoal should not be used in: Heat-pattern bleeding; Yin deficiency heat or fluid depletion without true cold; Casual self-treatment of significant bleeding. Consult a qualified practitioner before use.