Bing Pian (Dryobalanops aromatica): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Bing Pian work in the body?

Bing Pian contains borneol, an aromatic compound that readily crosses the blood-brain barrier. In Traditional Chinese Medicine, it 'opens the orifices' to restore consciousness and clear sensory blockages. Modern research suggests borneol enhances blood-brain barrier permeability, which may improve delivery of therapeutic compounds to brain tissues. It also demonstrates anti-inflammatory and analgesic properties when applied topically, explaining its traditional use for pain relief. Evidence Level: C.

Does Bing Pian interact with any medications?

Bing Pian may interact with central nervous system medications due to its effects on brain function and potential for CNS excitation. Because borneol can enhance blood-brain barrier permeability, it may alter how other drugs reach and affect the brain. Caution is advised when combining with sedatives, anticonvulsants, or other CNS-active substances. Limited clinical interaction data exists. Always consult a qualified healthcare provider before combining with prescription medications. Evidence Level: C.

What is the correct dosage for Bing Pian?

The internal dosage of Bing Pian is extremely small, typically 0.03-0.09 grams (30-90 mg) due to its potency and potential toxicity at higher doses. It is traditionally prepared as pills or powder, not as a decoction. For topical applications, follow product-specific directions or practitioner guidance. Overdose can cause serious adverse effects including convulsions. Never exceed recommended doses, and use only under professional supervision. Evidence Level: Traditional.

Is Bing Pian safe during pregnancy?

Bing Pian is contraindicated during pregnancy and considered unsafe. The aromatic compounds, particularly borneol, may stimulate uterine contractions or affect fetal development. Traditional Chinese Medicine texts explicitly prohibit its use in pregnant women. Women who are pregnant, nursing, or planning pregnancy should avoid Bing Pian entirely, including topical preparations. If exposure has occurred, consult a healthcare provider immediately. Evidence Level: C.

What is Bing Pian used for in TCM?

In Traditional Chinese Medicine, Bing Pian is used to 'open the orifices,' clear heat, and resolve toxins. It is traditionally indicated for loss of consciousness, throat infections, and certain eye conditions. Topically, it is applied for localized pain relief and has demonstrated antifungal activity in preliminary studies. Its aromatic nature makes it useful for awakening the senses and clearing sensory blockages. Modern applications focus primarily on topical analgesic use. Evidence Level: C.

What are the side effects of Bing Pian?

Bing Pian can cause central nervous system excitation, particularly at excessive doses. Signs of overdose include restlessness, confusion, and potentially convulsions. Internal use in children is contraindicated due to increased sensitivity to its effects. Large internal doses are toxic and potentially dangerous. Topical use may cause skin irritation in sensitive individuals. Use only at recommended doses under professional guidance, and discontinue immediately if adverse symptoms occur. Evidence Level: C.

PubMed-compiled information sheet

This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.

Compiled from 30 PubMed articles · model: gemma4:31b

Summary

Bing Pian (borneol) is a bicyclic monoterpenoid extracted from plants such as Dryobalanops aromatica, used widely in medicine for its ability to enhance drug delivery and treat various diseases [PMID:37321057, PMID:38964157].

Background

Bing Pian, also known as borneol, is a lipid-soluble bicyclic monoterpene [PMID:38964157]. It is obtained from plants, including Dryobalanops aromatica (a species in the Lauraceae family), or produced synthetically [PMID:34104738, PMID:34017247]. Clinical forms include L-Borneolum ('Ai Pian'), Borneolum ('Tian Ran Bing Pian'), and synthetic borneol ('He Cheng Bing Pian') [PMID:37321057].

Traditional uses

Used in Traditional Chinese Medicine for over 1000 years as a resuscitation-inducing, antipyretic, and analgesic agent [PMID:33645052, PMID:33913042]. It has been used to relieve inflammation, pain, and 'heavy feeling' [PMID:38768990].

Active compounds

The primary active compound is borneol, a bicyclic monoterpenoid [PMID:37321057, PMID:40081769]. Dryobalanops aromatica specifically contains high levels of D-borneol [PMID:34104738].

Mechanism of action

Borneol acts as a permeation enhancer by altering cell membrane lipid structures and modulating multiprotein complexes to increase drug delivery across the blood-brain barrier (BBB), mucous membranes, and skin [PMID:33913042, PMID:33892091]. It has been shown to inhibit nicotinic acetylcholine receptors (nAChR) [PMID:12473382] and can decrease the protein level of DDIT4 to attenuate p53-mediated mitochondrial apoptosis [PMID:40081769].

Clinical evidence

Evidence CIschemic Stroke

Borneol exhibits neuroprotective effects and can be used in delivery systems to restore intracellular Ca2+ and redox homeostasis while inhibiting apoptosis pathways [PMID:39804950, PMID:34017247]

Evidence CCardio-cerebrovascular diseases (CVDs)

Borneol is applied in the protection and treatment of CVDs due to anti-inflammatory, anti-oxidant, and anti-coagulant activities [PMID:36087846, PMID:33892091]

Evidence DGlioblastoma

Natural borneol combined with sodium valproate (VPA) showed augmented efficacy in vivo by inhibiting TAGLN/HDAC2 function [PMID:38087889]

Evidence DSkin Wounds/Burns

L-borneol promotes the differentiation of hair follicle stem cells into basal layer cells to repair skin wounds [PMID:40378434]; alum-borneol combinations are used in clinical burn treatment [PMID:35731421]

Evidence DChemotherapy Resistance

Borneol enantiomers can inhibit P-glycoprotein (Pgp), thereby increasing the accumulation of drugs like mitoxantrone in cells [PMID:33378196]

Evidence D

Drug interactions

Borneol acts as an adjuvant to improve the absorption and delivery of other drugs across physiological barriers [PMID:33913042, PMID:40890831].

Evidence summary

The evidence consists primarily of systematic reviews (C) and preclinical/in vitro research (D), with strong theoretical support for its role as a permeation enhancer and neuroprotective agent.

PubMed sources

1.PMID: 38087889 (2024) — Transgelin Promotes Glioblastoma Stem Cell Hypoxic Responses and Maintenance Through p53 Acetylation. · Advanced science (Weinheim, Baden-Wurttemberg, Germany)
2.PMID: 37321057 (2023) — Comparison of pharmacological activity and safety of different stereochemical configurations of borneol: L-borneol, D-borneol, and synthetic borneol. · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
3.PMID: 39804950 (2025) — Traditional Chinese Medicine Borneol-Based Polymeric Micelles Intracerebral Drug Delivery System for Precisely Pathogenesis-Adaptive Treatment of Ischemic Stroke. · Advanced science (Weinheim, Baden-Wurttemberg, Germany)
4.PMID: 34104738 (2021) — The complete chloroplast genome sequence of Dryobalanops aromatica. · Mitochondrial DNA. Part B, Resources
5.PMID: 36793954 (2023)

Bing Pian

Sources & Citations

Calculate a safe dose of Bing Pian