Moschus moschiferus | Musk
LATIN NAME: Moschus moschiferus
COMMON NAME: Musk (She Xiang)
Species Profile
The musk deer is a small, antlerless deer of the Siberian taiga and the mountains of north-east China, Korea and Mongolia. A male weighs eight to thirteen kilograms, stands about half a metre at the shoulder, and carries a pair of curved upper canine tusks that project past the lip. It is solitary, shy and largely nocturnal.
Between the navel and the genital opening the male has a glandular sac, the musk pod, that holds twenty-five to thirty grams of a dark, waxy secretion. The animal uses it to mark territory during the rut. The pod is the reason the species has been hunted for more than a thousand years.
Science & Biotechnology
The odour comes mainly from muscone, 3-methylcyclopentadecanone, a macrocyclic ketone present at one or two per cent of the pod. It has an exceptionally low detection threshold, which is why a few milligrams scent a whole room and why it was once the standard fixative in perfumery. Muscopyridine and a series of steroid compounds make up most of the rest.
Muscone was synthesised in the 1920s, work that earned Leopold Ruzicka a Nobel prize and effectively ended the commercial need for animal musk. The pharmacological basis for the traditional use is weak: there are no controlled trials, and the steroid content varies so widely between pods that standardisation is impossible.
Uses & Benefits
In Chinese medicine musk is classified as aromatic and penetrating, and was used in emergencies, for coma, for angina and for stubborn pain. Doses are tiny, 0.03 to 0.1 gram, and it appears in a small number of patent medicines rather than in everyday practice.
Modern prescribing has largely replaced it with synthetic muscone or with other aromatics. The reason is practical as much as ethical: supply is restricted, quality is unpredictable, and the material is one of the most adulterated in the trade, cut with dried blood, soil or synthetic ketone.
Source & Harvest
All musk deer species are listed on CITES, most in Appendix I, and international trade in natural musk requires permits that are rarely granted. China banned hunting and closed the wild supply decades ago; the small amount still used comes from stockpiles and from captive animals.
Prices of forty thousand dollars a kilogram and more keep poaching alive across the Russian Far East and the Chinese border. Detection dogs and DNA barcoding of pods are now used at customs. Any buyer should assume that unpapered musk is illegal, and the synthetic is indistinguishable in most finished products anyway.
There is no seed and no garden route; the only alternative to wild take is captive management, and musk deer are difficult stock. They need large, quiet pens with cover, a browse-based diet of twigs, lichens and buds, and minimal disturbance.
Stress myopathy kills animals that are handled roughly, and a doe produces one fawn a year. Musk can be collected from live males with a spatula, but the yield is lower and the handling risk high. Captive breeding has never come close to replacing wild supply, which is why synthesis won. Pens are best sited on a slope with natural drainage, since wet ground causes hoof rot within a season.
Our Take
A material whose chemistry was solved a century ago and whose continued trade is now mostly a conservation problem rather than a medical one.
Related Reading
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