Traditionally used for
- Skin
☯ TCM Properties
Expels Wind, promotes the movement of Qi and dries Dampness; Controls bleeding and promotes tissue regeneration
Traditional Chinese Uses
Song Hua Fen is the dried spring pollen of pines such as Pinus massoniana and P. tabuliformis (Pollen Pini). Sweet and warm, entering the Liver and Spleen channels, it expels Wind, moves Qi and dries Dampness, and it astringes to stop bleeding and promotes the regeneration of tissue. It is used most for external and topical complaints: weeping eczema, impetigo, oozing skin erosions and diaper rash, and traumatic bleeding, where the powder is dusted directly on the affected area.
Taken internally in small amounts (roughly 3-6 g, wrapped when decocted, or as powder/wine) it addresses Wind-Damp discomfort and supports the Center. Being a fine pollen, it is administered as a powder or sprinkled topically rather than relied on as a strong decocted agent. Those with pollen sensitivity should use caution.
Western Herbalism Properties
Relationships
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Botanical Description
Song Hua Fen is the dried pollen of Pinus massoniana, P. tabuliformis, and other Chinese pines (Pinaceae) collected from the staminate cones in spring. The source trees are evergreen monoecious conifers 15–30 m tall with reddish-brown, fissured plate-bark and paired needles 10–25 cm long. Male cones are small, ovoid-cylindric, 1–1.5 cm long, clustered at the base of new shoots in dense yellow racemose groups; they shed copious bright yellow, finely powdery pollen comprising bisaccate (two-winged) grains 40–60 micrometres across, characteristic under microscopy. The collected pollen is sieved free of debris and dried; it is bright sulphur-yellow, with a faintly resinous odour and an almost insipid taste.
Active Constituents
Sporopollenin exine wall (crude fibre fraction)
Sporopollenin biopolymer and insoluble structural carbohydrateConcentration: Crude fibre 387 grams per kilogram of dry matter in the Masson pine pollen analysed for the pig balance study, against 190 grams per kilogram in the wheat bran comparator
The chemically inert outer wall that makes an intact pollen grain resistant to digestion. In pigs fed 3.5 percent pollen, daily faecal bulk and stool water content rose, faecal bile acid excretion rose against wheat bran, and the apparent digestibility of dry matter, crude protein and crude lipid fell, all at p below 0.05. This is the mechanism behind the traditional use for chronic constipation and it is a bulk-fibre effect, not a pharmacological one.
Pine pollen polysaccharides
HeteropolysaccharidesConcentration: Three homogeneous fractions purified from Taishan Pinus massoniana pollen with average molecular weights of 56, 25 and 128 kilodaltons
Composed of mannose, ribose, xylose, glucuronic acid, galacturonic acid, glucose, galactose and arabinose. Two of the three fractions promoted spleen lymphocyte proliferation and raised interleukin 2 and tumour necrosis factor secretion in vitro, while the third was the most active in nitric oxide induction and antioxidant terms. This fraction is the best-studied part of the drug, but almost the entire literature on it is veterinary immunology in poultry rather than human clinical work.
Crude protein and free amino acids
Proteins and amino acidsConcentration: 116 grams per kilogram of dry matter in the analysed Masson pine pollen
The protein fraction is the part of pollen that matters allergologically. In pine-pollen-allergic patients the dominant IgE-binding bands of Pinus pollen extract are at about 42 kilodaltons, recognised by 85 percent of patients, and at roughly 6 to 8 kilodaltons, recognised by 40 percent.
Pollen lipids
Total lipids including sterols and fatty acidsConcentration: 193 grams per kilogram of dry matter in the analysed Masson pine pollen
A substantial fraction by mass. It contributes to the drug's tendency to go rancid on storage and is the fraction in which the sterol constituents, including the reported androgen-type steroids of pine pollen, would sit.
Testosterone-type steroids
Androgen-type steroidsConcentration: Quantified in the pollen of other pines rather than in Pinus massoniana: testosterone, epitestosterone and androstenedione were reported from Pinus sylvestris pollen, and testosterone-type steroids were later determined qualitatively and quantitatively in pollen of Pinus nigra and Pinus heldreichii
This is the basis of the marketing of pine pollen as a testosterone-boosting supplement, and it needs stating precisely. Steroids of this class have genuinely been measured in pine pollen, but the published quantifications are in European pines and at nanogram-per-gram order, so even a large daily dose of pollen delivers a sub-microgram quantity, which is thousands of times below any therapeutic testosterone dose. No human trial has shown that pine pollen raises serum testosterone. The presence of a hormone in a plant material is not the same claim as an effect in a person.
Flavonoids
Flavonols and flavonoid glycosidesConcentration: Minor phenolic fraction; released preferentially from wall-broken and wall-extract preparations during simulated digestion
Contribute the antioxidant activity attributed to the drug. Their release depends strongly on processing: in a dynamic biomimetic digestion model, wall-disrupted pollen released markedly more glucose and enzyme activity in the gastric and small-intestinal phases than whole-wall pollen, and a wall extract released the most flavonoid.
⚠ Drug Interactions
Concurrently swallowed oral medicines and fat-soluble vitamins
Pine pollen is a high-fibre material, at 387 grams of crude fibre per kilogram of dry matter, roughly double the level in wheat bran. In a randomised Latin-square balance study in nine growing pigs, adding 3.5 percent Masson pine pollen to the diet significantly reduced the digestibility of dry matter, crude protein and crude lipid and increased daily faecal excretion of nitrogen, triacylglycerol, cholesterol and bile acids. Any insoluble bulking agent with that profile can reduce the absorption of drugs taken at the same time, and the bile-acid effect is the classic mechanism for impaired uptake of fat-soluble drugs and vitamins.
Clinical note: Separate pine pollen from narrow-therapeutic-index oral medicines, thyroid hormone, and fat-soluble vitamin supplements by at least two hours. Watch for loss of control in a patient stabilised on such a drug who starts taking pollen daily.
Pine pollen in a patient sensitised to conifer pollen
Pine pollen was long regarded as non-allergenic because the grains are large and protein-poor, and that assumption is now known to be wrong. In a multicentre study of sixty-five pine-pollen-allergic patients, skin prick tests were positive to all pine pollen extracts tested in 69 percent, specific IgE was positive in 77 percent, nine allergenic bands were detected with a dominant 42 kilodalton allergen bound by 85 percent of patients, and cross-reactivity between different Pinus species was high. Many patients were monosensitised to pine. Prescribing pollen orally to such a patient administers the sensitising protein directly.
Clinical note: Ask specifically about spring rhinoconjunctivitis or asthma near pines before prescribing. Cross-reactivity within the genus is high, so sensitisation to any pine is a reason to avoid Masson pine pollen. There is no cross-reactivity with cypress, so a cypress-allergic patient is a different case.
Testosterone, androgen therapy and androgen-sensitive disease
Pine pollen is widely sold on the claim that it raises testosterone. Androgen-type steroids have been measured in pine pollen, but in Pinus sylvestris, Pinus nigra and Pinus heldreichii rather than in Pinus massoniana, and at trace concentration. No randomised or controlled human trial of pine pollen on serum testosterone or on any androgen-dependent endpoint has been published. The realistic interaction is therefore not pharmacological but behavioural: a patient may take pine pollen instead of, or while concealing it from, proper management of hypogonadism or prostate disease.
Clinical note: Do not present this herb as an androgen. In a man with prostate cancer, benign prostatic hyperplasia or diagnosed hypogonadism, ask directly about self-prescribed pine pollen products and make sure it is not displacing assessment or treatment.
Ciclosporin, tacrolimus, azathioprine and other immunosuppressants
The polysaccharide fraction of this pollen is an immunostimulant in preclinical models. Purified fractions promoted spleen lymphocyte proliferation and raised interleukin 2 and tumour necrosis factor secretion in vitro, and the fraction has been developed as a veterinary immune adjuvant. Whether an oral decoction dose reproduces any of this in a human is unknown, and no interaction has been reported, but stimulating the response that an immunosuppressant is prescribed to suppress is a coherent theoretical concern.
Clinical note: Avoid in transplant recipients and in patients on immunosuppression for autoimmune disease unless there is a specific reason to use it, on the grounds that the benefit is unproven and the direction of the preclinical effect is opposed to the treatment.
Dosage
| Form | Amount | Frequency | Duration | Population | Notes |
|---|---|---|---|---|---|
| topical | Appropriate amount — see note | Daily | — | — | 中国药典 2020 monograph 【松花粉】【用法与用量】外用适量，撒敷患处。 【性味与归经】甘，温。归肝、脾经。 — Matched to ChP by romanised drug name (pinyin 'Song Hua Fen' → 松花粉); the romanisation is unique across all 649 ChP monographs, and the match was cross-checked against this record's own TCM temperature. Quoted verbatim. |
Evidence Tier
Moderate evidence · 4 studiesRecorded studies by study design, strongest design at the top. This is a study-design tier only, not a GRADE rating: it does not weigh risk of bias, consistency or precision.
Systematic review / meta-analysis
0
Randomized controlled trial
0
Other clinical trial
0
Observational / case report
1
0 verified · 1 unverified
Show the study
In vitro / animal
3
1 verified · 2 unverified
Show 3 studies
- Characterization and Biological Activity of Taishan Pinus massoniana Pollen Polysaccharide In Vitro
- Nutritive value of Masson Pine pollen (Pinus massoniana) in comparison to wheat bran and effects on stool characteristics in a pig model
- Analysis of the Spatiotemporal Digestion Characteristics of Pine Pollen Processed by Different Methods in Middle-Aged Adults Using an In Vitro Digestion Model System
Other / unclassified
0
Verified: design read from PubMed for a DOI that resolves to the cited paper Unverified: taken from the study's recorded description
Clinical Studies
Characterization and Biological Activity of Taishan Pinus massoniana Pollen Polysaccharide In Vitro
Crude polysaccharide was water-extracted and ethanol-precipitated from Taishan Masson pine pollen and resolved into three homogeneous fractions of 56, 25 and 128 kilodaltons, composed of mannose, ribose, xylose, glucuronic acid, galacturonic acid, glucose, galactose and arabinose. Two fractions significantly promoted spleen lymphocyte proliferation and raised interleukin 2 and tumour necrosis factor; the smallest gave the highest nitric oxide induction and the best antioxidant activity; the largest inhibited avian leukosis virus subgroup B proliferation at 50 micrograms per millilitre by interfering with viral adsorption. Cell culture only, and the applied context is poultry rather than humans.
Nutritive value of Masson Pine pollen (Pinus massoniana) in comparison to wheat bran and effects on stool characteristics in a pig model
Eighteen balance measurements were made on nine growing pigs of 40 to 60 kilograms in a randomised Latin square, comparing a low-fibre basal diet with the same diet plus 3.5 percent Masson pine pollen or 3.5 percent wheat bran. Pine pollen increased daily faecal bulk, stool water content and daily faecal nitrogen, triacylglycerol and cholesterol excretion, and increased bile acid excretion relative to wheat bran. Digestibility of dry matter, crude protein and crude lipid fell. The pollen analysed almost 40 percent crude fibre in dry matter. The authors present it as support for pine pollen as a fibre supplement; it is a pig study, not a human trial, and it is the closest thing to controlled evidence for the traditional constipation indication.
Allergenicity and cross-reactivity of pine pollen
Multicentre study of sixty-five pine-pollen-allergic patients, of whom 51 percent were also grass-sensitised. Skin prick tests were positive to every pine pollen extract tested in 69 percent, specific IgE to Pinus radiata or Pinus strobus in 77 percent. Nine allergenic bands were found by immunoblotting, dominated by a 42 kilodalton band bound by 85 percent of patients and a 6 to 8 kilodalton band bound by 40 percent. Cross-reactivity between Pinus species was high and cross-reactivity with cypress absent. The conclusion is that pine pollen should be regarded as a potential allergenic pollen. The species tested were Pinus radiata, pinea, sylvestris, nigra and strobus, not Pinus massoniana, but intragenus cross-reactivity was the study's central finding.
Analysis of the Spatiotemporal Digestion Characteristics of Pine Pollen Processed by Different Methods in Middle-Aged Adults Using an In Vitro Digestion Model System
A dynamic biomimetic digestion reactor compared broken-wall pine pollen, whole-wall pine pollen and a pollen wall extract through simulated gastrointestinal digestion and colonic fermentation with faecal inocula from middle-aged donors. Wall disruption accelerated structural breakdown and gave the highest glucose release and gastric and small-intestinal enzyme activity; whole-wall pollen gave more sustained enzyme activity and gas production in the colon; the wall extract released the most glucose and flavonoid but produced a rise in hydrogen sulphide and volatile organic compounds in the descending colon. All three inhibited Escherichia-Shigella. Despite the title, this is a simulated digestion model, not a study in people, and its practical message is that shell-broken and whole pollen are not interchangeable preparations.
Historical Texts
Ben Cao Gang Mu (Compendium of Materia Medica), Li Shizhen, wood section, entry Song Hua
Ming dynasty, 1596Xin Xiu Ben Cao (Newly Revised Materia Medica), Su Jing and colleagues
Tang dynasty, 659 CEPharmacopoeia of the People's Republic of China, Pini Pollen (Song Hua Fen)
Modern, 2020 editionReferences
- Šaden-Krehula M, Tajić M, Kolbah D. Testosterone, epitestosterone and androstenedione in the pollen of scotch pineP. silvestris L. . Experientia (1971) [DOI]
- Graikou K, Chinou I. Qualitative and quantitative determination of natural testosterone type steroids in pollen from two Greek Pinus species (P. nigra and P. heldreichii) . Planta Medica (2013) [DOI]
This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.
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