Devil’s Club instead of Panax ginseng?

This is an excellent overview on Devil’s Club
Devil’s Club (Oplopanax horridus): An Ethnobotanical Review
HerbalGram. 2004; 62:33-48 American Botanical Council
by Trevor C. Lantz, Kristina Swerhun, and Nancy J. Turner
Devil’s club (Oplopanax horridus (Sm.) Torr. & A. Gray ex. Miq., Araliaceae) is probably the most important spiritual and medicinal plant to most indigenous peoples who live within its range. Different parts of this plant are used by over 38 linguistic groups for over 34 categories of physical ailment, as well as many spiritual applications.
Devil’s club [syn. Echinopanax horridus (Sm.) Decne. & Planch, Fatsia horrida (Sm.) Benth. & Hook, Panax horridum Sm.; Riconophyllum horridum Pall.] is a common deciduous understory shrub occurring in moist, but well drained, forested ecosystems from coastal Alaska southward to central Oregon and eastward to the southwestern Yukon, the Canadian Rockies, northwestern Alberta, Montana, and Idaho. There are also several disjunct populations near northern Lake Superior in Michigan and Ontario. The stems of this shrub are upright to decumbent and can reach heights exceeding 6 meters (~20 feet). The leaves are large (up to 35 cm across [~14 inches]) and maple-shaped.
The stems, petioles, and leaf veins of devil’s club are covered with a dense armor of yellowish needle-like spines up to 2 cm (~0.5 inches) long, which can cause severe skin irritation. The flowers are small and whitish, borne in terminal pyramidal clusters, and ripen to shiny flattened, bright red berries. Devil’s club forms large sprawling clones that expand laterally through the layering of decumbent stems.1
A member of the family Araliaceae (which also contains the ginsengs), devil’s club is related to a number of widely known medicinals including Asian ginseng (Panax ginseng C.A. Meyer), American ginseng (P. quinquefolius L.), eleuthero (Eleutherococcus senticosus Maxim., formerly called Siberian ginseng), and small spikenard (Aralia nudicaulis L., or sarsaparilla).
Devil’s club is often cited as the most significant plant, both medicinally and spiritually, to the indigenous peoples within its range.2-5 The first ethnographic record of devil’s club use dates back to 1842, when Eduardo Blaschke, the chief physician for the Russian American Company, reported the use of devil’s club ash as a treatment for sores amongst the Tlingit.6 Subsequently, devil’s club has received widespread documentation for its medicinal, spiritual, and technological uses in ethnographies, ethnobotanies, medical journals, and historical records from within (as well as outside) its geographical range. In a 1982 review, Turner reported more than 30 categories of medicinal, spiritual, and technological uses by peoples of over 25 different indigenous linguistic groups of western North America.4 Phytochemical research has revealed that this plant has antifungal, antiviral, antibacterial, and antimycobacterial properties, and these are undoubtedly related to its widespread use in traditional medicine.7-11
Ethnobotanical Records of Traditional Use
A review of published and unpublished ethnographic sources reveals great diversity in the uses of devil’s club among many indigenous groups over a wide geographic area. These applications are summarized here in 34 broad categories of medicinal use (Table 1), and eight categories of spiritual use (Table 2). The indigenous peoples who use devil’s club include 38 linguistic groups from across northwestern North America (Tables 1-2), representing nine language families.14 The region delineated by this cultural usage almost directly parallels the geographic distribution of devil’s club (Figure 2) and underscores the cultural importance of this plant across its range. In some areas devil’s club is used well outside of its geographic range; the few areas where cultural use is not recorded from within the area of its distribution appear to represent gaps in the ethnobotanical documentation and not in actual usage.
Table 1: Summary of Medicinal Uses of Devil’s Club (Oplopanax horridus)
Medicinal Uses Cultural Linguistic Group (and References)
Appetite Stimulant Infusion of inner bark. Nlaka’pamux (64); Secwepemc (65); Squamish (66)
Arthritis / Rheumatism Infusion or decoction of inner bark, pounded leaves and sometimes roots, inner bark used in bath/steam bath, inner bark chewed, crushed root used as poultice, and whole stems used to beat rheumatic limbs as counter-irritant. Alutiiq (67, 68, 69, 70); Carrier (71); Ditidaht (72, 73); Gitxsan (17, 74, 75); Haida (2, 76, 77, 78, 79, 80, 81); Halkomelem (82); Hanaksiala (83); Makah (84); Oweekeno (85); Nuu-chah-nulth (72); Stl’atl’imx (85); Nuxalk (76, 77, 79); Sahaptin (86); Sechelt (72, 87, 88); Sekani (89); Squamish (66, 72); Stl’atl’imx (85, 90); Tlingit (2, 80); Tsimshian (80); Unspecified (91)Birth Control Decoction of roots. Métis (92)Blood Purifier Decoction of inner bark. Carrier (73); Nlaka’pamux (64, 93)Broken Bone Decoction of inner bark. Alutiiq (70); Gitxsan (95); Haida (2)Cancer Infusion of inner bark. Alutiiq (70); Gitxsan (17); Haida (2; 81); Tlingit (2); Tsimshian (80)Childbirth / Menstruation Inner bark mashed and swallowed, or decoction of inner bark taken as purgative to expel afterbirth, to start post-partum menstrual flow, regulate menstruation, and for cramps. Alutiiq (94); Carrier (77, 101); Hanaksiala (83); Lushootseed (86); Makah (86); Secwepemc (96); Tlingit (16)Diabetes Infusion or decoction of inner bark and sometimes roots, both alone and in mixtures. Cree (92); Haida (81); Halkomelem (97); Heiltsuk (27); Metis (92); Nlaka’pamux (64); Nuxalk (98); Sechelt (99); Secwepemc (65); Squamish (66); Stl’atl’imx (85); Straits Salish (97, 100); Tsimshian (23)Diphtheria Infusion of roots applied externally. Sekani (89)Emetic / Purgative Decoction or infusion of inner bark prepared in water or seal oil, both alone and in mixtures, roots chewed and the inner bark sometimes swallowed. Alutiiq (68, 70); Carrier (3, 101); Eyak (3, 102); Gitxsan (79, 95); Haisla (83); Haida (76); Makah (86); Nuxalk (77, 79, 98); Tlingit (3, 16, 103); Tsetsaut (3); Unspecified (104); Wet’suwet’en (95)Fertility Unspecified. Unspecified (104)Fever Decoction of inner bark. Tanaina (105); Unspecified (104)Flu Infusion of inner bark, alone and in mixtures, and the inner stem bark chewed. Alutiiq (68, 70); Gitxsan (17); Haida (80, 81); Nlaka’pamux (4, 64); Tanaina (106); Tsimshian (80); Tlingit (16, 80); Wet’suwet’en (107)Gall Stones Infusion of inner bark. Haida (2); Tlingit (2)Haemorrhaging and Blood Disorders Infusion of inner bark, alone and in mixture, and berries pounded into paste taken internally. Comox (108); Hanaksiala (83)Heart Disease Berries pounded into paste taken internally. Alustiiq (70); Hanaksiala (83); Wet’suwet’en (107)Insanity Introduced into the system by beating with stems. Haida (80); Tsimshian (80); Tlingit (80)Internal Infections Infusion of inner bark. Haida (80); Tanaina (106); Tsimshian (80); Tlingit (80); Unspecified (91)Laxative Infusion or decoction of inner bark prepared both alone and in mixtures. Gitxsan (109); Haida (2, 80); Haisla (83); Hanaksiala (83) Heiltsuk (4); Kwakwaka’wakw (110); Nlaka’pamux (93; 64); Nuxalk (77); Tanaina (105); Tlingit (2, 80, 103); Tsimshian (80, 111); Unspecified (91)Lice and Dandruff Pounded berries rubbed on hair and scalp. Haida (78); Oweekeno (83)Lymph Trouble (Dropsy) Ash of inner bark. Alutiiq (94)Measles Decoction of inner bark. Halkomelem (72); Tlingit (106)Pain Relief, Analgesic Decoction of inner bark, inner stem bark mixed with oil and eaten, dried inner bark laid into tooth cavity, steam bath with inner bark. Alutiiq (67, 69); Gitxsan (75); Haida (2); Kwakwaka’wakw (110, 112, 113, 114); Nuxalk (98); Oweekeno (83); Tlingit (2); Tsimshian (2)Perfume, Baby Talc Unspecified. Makah (86)Pneumonia Decoction or infusion of inner bark, and inner bark used in steam baths with a variety of additional plants. Alutiiq (68); Squamish (66); Tlingit (16)Respiratory Ailments, Coughs, Colds Decoctions and infusions prepared from inner stem bark, whole stems and sometimes roots, inner bark also chewed, used in sweat baths, and burned and dampened and worn around the neck. Alutiiq (67, 70); Eyak (102); Gitxsan (17, 74); Haida (2, 80, 81); Halkomelem (72); Hanaksiala (83); Okanagan (116); Oweekeno (83); Nlaka’pamux (4);Okanagan (115); Sahaptin (86); Secwepemc (65); Squamish (66); Tagish (117); Tanaina (105); Tlingit (2, 80); Tsimshian (80); Unspecified (5, 91, 104); Wet’suwet’en (107)Skin Wash Infusion or decoction of roots used as a general wash for acne, skin disease, dandruff, etc. Alutiiq (70); Comox (108); Gitxsan (109); Sechelt (72); Sekani (89); Tlingit (16)Sores (Swellings, Cuts, Boils, Burns, and External Infections) Inner bark, or infusion of, used externally as a poultice or wound dressing or rubbed over sore, dried inner bark pulverized with pitch or burnt to ash and mixed with oil or grease (sometimes salmonberries and dog feces) and applied externally, berries pounded into a paste and applied externally, decoction of root applied externally, and sliver of bark placed in wound to prevent infection. Alutiiq (67, 70, 94, 102); Carrier (71); Eyak (68); Gitxsan (17, 74, 109); Haida (2, 3); Hanaksiala (83); Kwakwaka’wakw(113); Makah (84); Nlaka’pamux (93); Nuxalk (98); Sechelt (99); Tanaina (105);Tlingit (2, 3, 6, 16, 103, 118); Tsimshian (80); Unspecified (26, 91); Wet’suwet’en (74)Stomach Trouble / Pains, Ulcers Infusion or decoction of inner bark or paste made from berries taken internally. Gitxsan (17); Haida (2, 75, 76, 77); Hanaksiala (83); Kwakwaka’wakw (110, 113, 114); Nlaka’pamux (64, 93); Nuxalk (76, 77, 79); Squamish (66); Tanaina (105); Tlingit (2); Unspecified (26, 91)Tonic Infusion or decoction of inner bark or sometimes roots, inner bark chewed, and bark ash infused. Ditidaht (73); Gitxsan (17, 74); Haida (2, 77); Halkomelem (72); Nlaka’pamux (64, 93); Nisga’a (75); Nuu-chah-nulth (119, 120); Oweekeno (83); Tlingit (2, 16); Sechelt (99); Unspecified (91, 104); Wet’suwet’en (107)Unspecified Use, General Sickness Unspecified. Alutiiq (67); Carrier (121); Ktunaxa (122); Gitxsan (75); Nlaka’pamux (4); Nuxalk (88); Oweekeno (83); Quileute (123); Sechelt (99); Tlingit (124); Tsimshian (3)Venereal Disease Decoction prepared from inner bark and whole stems both alone and in mixtures with a variety of other plants. Gitxsan (95); Haida (80); Tlingit (16, 80, 103); Tsimshian (80); Unspecified (91)Vision / Blindness Infusion of inner bark taken internally, inner bark applied externally with pitch, and decoction used as an eyewash to reverse the effects of cataracts. Haida (80); Hanaksiala (83); Tsimshian (80); Tlingit (80)Weight Loss Infusion of de-spined stems. Nlaka’pamux (4, 64)
Among all of the traditional medicinal uses of devil’s club (Table 1), its most widespread is for the treatment of external and internal infections, including tuberculosis. The efficacy of many of the treatments is undoubtedly related to devil’s club’s significant antibacterial,7,11 antimycobacterial (active against bacteria in the genus Mycobacterium),10,11 antifungal,8,11 and antiviral properties.9,15 Devil’s club is also commonly used by many cultural groups to treat arthritis, rheumatism, respiratory ailments, and as an emetic and purgative. It is also used as an aid in childbirth (post-partum), for internal hemorrhaging, as an analgesic, to treat stomach and digestive tract ailments, broken bones, fever, dandruff, lice, headaches, and as a treatment for cancer. Several parts of the shrub, including inner bark, inner bark ash, whole stems, roots, berries, and leaves, are used in a variety of ways to effect these treatments. However, the most common type of preparation is as an infusion or decoction of the stem inner bark.
In addition to ethnographic accounts of medicinal uses, there are also numerous sources that describe spiritual applications of devil’s club. These include purification and cleansing; protection against supernatural entities, epidemics and evil influences; acquisition of luck; to combat witchcraft; as ceremonial and protective face paint; and in rituals by shamans and others to attain supernatural powers (Table 2). Two of the most widespread spiritual uses are bathing with a devil’s club inner bark solution for personal protection and purification, and its use, particularly the spiny or de-spined aerial stems, as an amulet for protection against a variety of external influences (Table 2). External and internal cleansing involving the use of devil’s club “was, and is, of paramount importance” to many of the cultural groups throughout devil’s club’s range.4 The inner stem bark of devil’s club has also often been used in solution to wash down fishing boats, fishnets, and to purify a house after an illness or death, and, as charcoal, to prepare protective face paint for ceremonial dancers (Table 2). John Thomas explained that amongst the Ditidaht, and many other neighboring groups, devil’s club is considered sacred and “along with red ochre paint is considered to be a link between the ordinary, or profane world, and the supernatural, or spirit world.”4 Although it is useful for the purposes of this paper, an explicit division between medicinal and spiritual uses of devil’s club does not reflect traditional conceptions of health and healing4,16,17 and most “medicinal” applications of devil’s club are inextricably linked to “spiritual” applications of the plant, particularly its use for cleansing and purification. Devil’s club also figures significantly in the traditional narratives of many cultural groups throughout its range.14
Table 2: Summary of Spiritual Uses of Devil’s Club (Oplopanax horridus)
Spiritual Uses Cultural Linguistic Group (and References)
End Bad Weather Unspecified Eyak (102); Tlingit (16)
Luck Wood retained for luck, bark used in bath, and rubbed on body, and fresh bark chewed. Eyak (102); Gitxsan (17, 109); Haida (125, 126, 127); Haisla (83); Hanaksiala (83); Tlingit (16); Tsimshian (83, 128); Wet’suwet’en (74)
Contemporary Use in the Herb and Dietary Supplement Industry
Many of devil’s club’s uses in herbal medicine parallel its most commonly documented traditional uses (Table 1). Overall though, the modern commercial applications of devil’s club in the North American herbal market are for treating a smaller number of health problems and lack the spiritual practices associated with traditional use. Western herbalists report that the roots of devil’s club (and to a lesser extent the inner stem bark) are a strong respiratory stimulant and expectorant18,19 and recommend their use for rheumatoid arthritis and other autoimmune conditions,18,20 as well as to treat eczema, sores, and a number of internal and external infections.21 Devil’s club is also commonly recommended for the treatment of type II adult onset diabetes,18,22 a use of devil’s club that is also extensive in indigenous communities. However, since there is considerable risk and uncertainty associated with such therapy, such recommendations should be viewed with caution.21 In one notable case, devil’s club is recommended as a pancreatic tonic that is purported to help lower blood sugar levels by increasing the efficiency of insulin production in the pancreas.22 In this and other similar cases it is unclear if the reasoning given is based on the clinical evidence, which is equivocal and conflicting.21 Early clinical research on devil’s club, inspired by its widespread use by indigenous peoples for adult diabetes, reported that a white precipitate isolated from extracts of devil’s club “root bark” exhibited a hypoglycemic effect in lab hares.23 Subsequently, in experiments involving two human subjects, Justice2 presented some additional evidence to support the hypoglycemic activity of devil’s club’s root and stem bark. However, additional work by Piccoli et al.,24 Sturr et al.,25 and Thommasen et al.26 using extracts from “root bark,” and research by MacDermot27 using a decoction of stems, provide data that do not substantiate the hypoglycemic activity reported previously. Since devil’s club is still widely, and increasingly, used as a treatment for late onset type II diabetes and is listed in a recent review of antidiabetic plants,28 additional research and more rigorous clinical trials are required to validate and characterize or to disprove hypoglycemic properties in devil’s club.
Notable commercial applications of devil’s club that depart from traditional use include marketing strategies portraying devil’s club as “Pacific ginseng,” “Alaskan ginseng,” or “wild armored Alaskan ginseng.”12,13 In these cases, and on occasion when devil’s club is promoted under its standardized common name, products are marketed on the basis of purported adaptogenic and tonic properties. Suggestions of its use as an alternative to ginseng parallel those of eleuthero (Eleutherococcus senticosus Maxim., Araliaceae), formerly called “Siberian ginseng.” Devil’s club is increasingly used as a ginseng substitute in marketed herbal formulas and is considered to have significant potential in U.S. and Asian markets in this role.12 Although devil’s club is used as a tonic in some traditional medicinal applications (Table 1), its properties as an adaptogen are by no means its most distinct. The belief of some herbalists that devil’s club can be readily substituted for ginseng, with similar effects and benefits, has not been demonstrated empirically. Indeed, devil’s club’s emetic and purgative properties are often what some first-time users highlight when describing their experience with the plant (possibly due to ingestion of relatively high doses). Furthermore, any pharmacological and therapeutic similarities devil’s club shares with ginseng are not well documented, and a number of authors stress that these plants should not be used as if they were the same.19,21 Additional applications that are unconnected to traditional indigenous use and appear to have no empirical basis include treatment for hyperthyroidism, for impotence, and as a phytoestrogen.21
Another notable divergence between traditional and contemporary commercial applications of devil’s club relates to the plant parts used. Most of the devil’s club products currently available commercially, including devil’s club teas, tinctures, capsules, and formulas that contain devil’s club, contain “root bark” as the main ingredient. “Root bark” is also one of the most common plant parts sold as a crude drug. Unlike the traditional use of devil’s club, which primarily involves inner bark of the aerial stems (Table 1),14 the commercial use of devil’s club “root bark” seems to be driven by perceived superior potency of roots. Like the marketing of devil’s club under alternate common names that equate it with ginseng, the sale of devil’s club “root bark” appears also to be an attempt to highlight devil’s club’s relationship to ginseng, since the root of the latter is used medicinally. Any therapeutic advantage of the roots over the stem bark, like the marketing of devil’s club as a ginseng substitute, appears largely unsubstantiated by research, much of which has been conducted using stem inner bark. Furthermore, the commercial harvesting of devil’s club roots in preference to stems has some important conservation implications. Devil’s club is a shallow rooting, long-lived, clonal shrub that expands vegetatively through the layering of horizontal, or decumbent stems, and rarely by seedling.1 Like many medicinal plants, devil’s club is not currently cultivated in any significant quantity and is almost exclusively wild-harvested. Although devil’s club can be wild-crafted sustainably,14,29 the large-scale harvest of its interconnected clonal fragments may have an adverse impact on the persistence of populations.
Phytochemistry and Biological Activity
Phytochemical information on the active constituents of devil’s club is somewhat confounded by varying taxonomic treatments of the genus Oplopanax. Most authorities treat Oplopanax as a genus made up of three species: O. elatus Nakai in Russia and Korea;30 O. japonicus (Nakai) Nakai in Japan;31 and O. horridus in North America.32 Throughout this paper we have adopted this treatment and refer to O. horridus in this strict sense when employing the common name devil’s club. However, there are other authorities that treat all three as subspecies of O. horridus.33,34 Since most research has been conducted on either the Russian or Japanese species (or subspecies) of Oplopanax, with little published descriptive phytochemical work on devil’s club, it is unclear if many of the active constituents commonly cited as components of devil’s club are actually present in North American devil’s club, or only in the Russian and Japanese species. For example, Moore18 lists nerolidol, torreyol, dodinene, busnesol, dodecenol, cadene, and cerdrol as constituents of devil’s club. However, since this research was conducted on Oplopanax elatus [O. horridus ssp. elatus]35 it is unclear if it is applicable to the North American populations of O. horridus [O. horridus ssp. horridus].
Another group of compounds also commonly cited as constituents of devil’s club (O. horridus) are saponins (triterpenoid glycosides).36 Although a number of triterpenoids have been described from O. elatus and O. japonicus,37-44 to date none have been described from North American devil’s club. Although it is likely that North American devil’s club does contain some of the same compounds as these close relatives, presently the only published report to support this describes glycosidal principles of a possible saponin-like nature.25 There is also no evidence that devil’s club contains a specific group of saponins known as the ginsenosides as is often claimed and used to assert its adaptogenic properties and therapeutic similarity to ginseng.18 Additionally, none of the saponins described in devil’s club relatives O. elatus and O. japonicus are ginsenosides (saponins with dammarane type triterpenoid aglycones45). According to Zhuravlev and Kokyada,46 O. elatus and a larger group of Russian Araliaceae species (including E. senticosus< do not contain ginsenosides, but rather saponins that have aromatic triterpenoid aglycones.
The earliest, and some of the only, published descriptive phytochemical work that has been conducted on the North American devil’s club is by Kariyone and Morotomi,47 who described a sesquiterpene (equinopanacene) and a sesquiterpene alcohol (equinopanacol) in O. horridus. In more recent phytochemical investigations on O. horridus, Bloxton et al.48 reported a number of sterols and four sesquiterpenes, one of which (spatulenol) is novel to the genus. Kobaisy et al.11 described two novel and three previously described polyenes, one of which (oplopandiol) has recently been synthesized.18 These acetylenes all display significant antimycobacterial and antifungal activity49 and most are active against common bacteria such as Staphylococcus aureus, Bacillus subtilis, Pseudomonas aeruginosa, Escherichia coli, and Candida albicans. These compounds are also active against Mycobacterium tuberculosis and Mycobacterium avium, both of which can cause significant clinical tuberculosis, particularly virulent in immuno-compromised hosts, AIDS patients being especially vulnerable. Notably, these pathogens are also responsible for the epidemic status of tuberculosis in Canada’s indigenous population.50 Since many strains of M. tuberculosis and M. avium are also resistant to the most commonly used antimycobacterial drugs, there is considerable interest in the potential of devil’s club in tuberculosis therapy. Extracts of devil’s club inner bark also partially inhibit a respiratory syncytial virus.9
In other research, immunologist George Luciuk has claimed that devil’s club has anti-microbial effects on upper and lower respiratory tract infections15. In related investigations on the Russian species, Me et al.35 reported that essential oils derived from O. elatus show antifungal activity against five pathogenic species: Microsporum gypseum, M. lanosun, Trichophyton gypseum, T. purpureatum, and Epidermophyton floccosum. Aihua et al.51 also report that O. elatus shows anti-mycotic action against a number of common pathogenic fungi. Additionally, a sesquiterpene, a sesquiterpene alcohol, and a sesquiterpene ketone have been isolated from >O. japonicus; a derivative of the latter is used in Japan in commercial preparations to treat coughs and colds.52

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