Abstract
This chapter describes medicinal oils of animal origin, used in Africa and Australasia both for nutritional and medicinally for treating pain and inflammation. Analytical studies of composition, bio-efficacy and their remarkable safety are described. For obtaining reproducible benefits, it is very important to introduce Quality Controls whenever possible. These should cover all stages of production, storage and certify the ‘truth in their advertising’: to help eliminate adulterated products and false claims for purity and potency.
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- 1.
Avis(Latin) = bird; pharmaco(n) (sing.), pharmaca(plural, Greek) = drug.
- 2.
In this context consider the fermentation products associated with wine-making, brewing and baking. Or the essential microbial factors used to manufacture cheese, generate flavours and food additives e.g. from soya bean etc., as well as producing mainline antibiotics.
- 3.
Udo Erasmus (1993) noted ‘the most easily destroyed oils are also nutritionally the most valuable’ and that ‘refined white fats and oils are nutritionally equivalent to refined white sugar and white flour’. But this may not be true for medicinal oils from animals and birds, which predominantly contain saturated or mono-unsaturated lipids (before fungal fermentation).
- 4.
As Erasmus also noted, “Healers and manufacturers head in opposite directions regarding oils”, adding the sensible nutritional advice, “Eat things that spoil, but eat them before they do”.
Abbreviations
- AI:
-
Anti-inflammatory
- AO:
-
Anti-oxidant
- EO:
-
Emu oil
- FAME:
-
Fatty acid methylester
- GO:
-
Goanna oil
- HPLC:
-
High pressure liquid chromatography
- IS:
-
Immunosuppressant
- MBO:
-
Mutton bird oil
- OO:
-
Ostrich oil
- NZ:
-
New Zealand
- PUFA:
-
Polyunsaturated fatty acids
- SSF:
-
Solid substrate fermentation
- 16:0:
-
Palmitic acid
- 18:1:
-
Oleic acid
- 18:2:
-
Linoleic acid
- 18:3:
-
α-linolenic acid
- 20:4:
-
Arachidonic acid
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Acknowledgments
We are much indebted to many bird farmers in Australia, Southern Africa, and New Zealand for providing oil/fat samples; to P. Lacey, W. Schaletzki (Vic) and P. Thompson (Qld) for advice on emu husbandry; to S. Birch (RSA) and Dr. D. Hayter (Zimbabwe) for advice on ostrich husbandry; to Dr. P. McGee, University of Sydney for identifying fungi; to Professor P. Ghosh for initiating scientific studies of emu pharmaca; and to Desley Butters for preparing the typescript.
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Appendices
Appendix A
Avian-sourced anti-inflammatories: some positive features and negative factors
Positive | Negative |
---|---|
Renewable resource | Sustainable(?) |
Extended experience (safety, efficacy, etc.) | This ‘wisdom’ is often derided/ignored, having little profit value |
Favourable attributes for rural production: – Minimal energy input – Minimal polluting output – Marketable by-products, e.g. meat, hides, feathers – low labour component | |
Extra-urban farming/sourcing | |
Suitable for countries with limited resources (energy, raw materials) | |
Low financial investment for production, i.e. fences rather than factories | Insufficient investment for rigorous clinical trials—if made obligatory |
Scope for quality improvement in: – Breeding (birds and symbiont microbes) – Efficient feed stuffs – Parasite control – Product stability – Pharmaco-availability, e.g. improving transdermal delivery | Erratic quality and lack of Quality controlsa |
Appendix B
A comparison of (i) anti-arthritic and gastroprotective (GP) activities with (ii) the safety of some bird and goanna oils in rats developing experimental arthritis
Doses = ≤2 ml/kg oil
Efficacy scores = asterisks (*), toxicity scores = + on a scale 0–4; as indications of a potential therapeutic index, i.e. a benefit: risk ratio to be derived here as anti-arthritic/pathogenic scores, i.e. (*/+)
Source of Oil | Anti-arthritic efficacy | GP activity3 | Pathogenicity4 | |||
---|---|---|---|---|---|---|
Dermal1 | Oral-ST2 | Oral-LT2 | Oral (%) | AIA | CIA | |
Emu fat, Australia | ||||||
WA (Kalaya) | 3* | 3.1* | 2.6* | 58 | 0.6+ | 0.3+ |
Qld (Cherburg) | 3.3* | 1.2* | 3* | 68 | + | 0.5+ |
NSW (Turner) | 3.7* | 3.8* | 2.8* | 0.2+ | ||
Vic (Baramul) | 3.5* | 3.8* | 3.4* | 100 | 0.5+ | 1.2+ |
Others (n = 23) | <2.0* | 0.9* | <0.5* | <23 | 1.7–3.3+ | |
Ostrich fat from birds in | ||||||
Africa (n = 3)5 | 3.6* | 1.2* | 1.7* | 82 | 0.4+ | 1.7+ |
Vic (n = 1) | 2.1* | 1.8* | 63 | 2.3+ | ||
NSW, Qld, SA, WA (n = 7) | <1.1* | 07* | 07 | 3+ | ||
Muttonbird (proventricular oil) | ||||||
Tas (Yolla, n = 3) | 33* | 0.7* | 0 | 84 | 0.2+ | 0.5+ |
SA (Bickford) | 1.4* | 2.3+ | ||||
NZ (Stewart Is) | 3* | 0.3* | 0.3+ | |||
Goanna fat | ||||||
Qld (n = 3) | 4* | 54 | 0.2+ | 0.3+ | ||
NSW (n = 1) | 2.7* | 0.4+ | 0.7+ |
Data = mean values from replicate studies (n = 2–7), each with 3–5 rats per group. Experimental details given in published reports (Whitehouse et al. 1998, 2001; Turner 2012) also outlined below.
Key to Table:
-
1.
Rubbed into shaved dorsal skin after mycobacterial-induced (adjuvant) arthritis was established for 10 days. Effects quantified by reduction in arthritic scores, compared to store-bought light olive oil (**** = very effective, i.e. no arthritis and 0 = no effect).
-
2.
Given orally once daily for short term (ST) dosing = 4 days only beginning after first sign of arthritis expression (usually day 10) as in (1) above, or long-term (LT) dosing = for 15 days from time of arthritis inception.
-
3.
Inhibition of gastric bleeding from oral ibuprofen (80 mg/kg) in arthritic rats (Whitehouse et al. 2001), oils administered orally 5 min previously: data here = mean of three studies.
-
4.
Adverse immunostimulant (potential adjuvant) activity for inducing arthritis with mycobacterial (AIA) or collagen type-II (CIA) arthritigens (see text). These scores are toxicities on a scale of 0–4+; 0 = no induction of arthritis (4+ = maximum severity when mineral oil was the adjuvant oil).
-
5.
Two from South Africa, one from Zimbabwe.
Sources of traditional medicinal oils
-
Emu. Dromaius novaehollandiae = flightless bird native to Australia.
-
Ostrich. Struthio camelus = flightless bird, originally from Africa and the Middle East.
-
Muttonbird. Puffinus tenuirostris = seabird from Southern Australia and New Zealand
-
Goanna (Monitor lizards) of Varanidae family found in North and Central Australia. (Other monitors inhabit Asia and Africa)
Key to sources:
NSW, Qld, SA, Tas, Vic, WA = Australian States; NZ = New Zealand
Appendix C
Fatty acid composition of some triglyceride oils
Data = % w/w of total fatty acids from triglycerides (and waxes)
Fatty acid | Human skin | Emu oils from | Olive oils | Palm oil7 | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
S.Africa (SD)1 | USA2 | USA2 | S.Aus3 | Vic4 | WAust5 | Aus(SE)6 | CDX7 | Malta8 | ESP3 | ||
12:0 | 0.4 (0.2) | 0.4 (0.7) | |||||||||
14:0 | 3.4 (1.2) | 2.1 | 0.4 | 0.3 | 0.4 | 0.4 (0.1) | 0.5 = 5.9 | ||||
16:0 | 22.7 (2.6) | 20.2 | 22.0 | 24 | 19.8 | 26.0 | 20.4 (2.3) | 7.5–20 | 15.9 | 10.4 | 32–59 |
16:1 ω7 | 8.4 (2.2) | 3.8 | 3.5 | 4.3 | 2.8 | 4.7 | 3.7 (1.0) | 0.3–3.5 | 1.4 | 0.7 | |
18:0 | 4.3 (1.6) | 11.2 | 9.6 | 8.5 | 8.5 | 9.8 | 9.3 (1.2) | 0.5–3.5 | 2.6 | 3.1 | 1.5–8.0 |
18:1 ω9 | 45.4 (4.1) | 30.8 | 47.4 | 49.1 | 45.6 | 48.0 | 48.4 (4.6) | 56–83 | 65.9 | 73.9 | 27–52 |
ω7 | 2.1 (0.3) | ||||||||||
18:2 ω6 | 9.7 (3.6) | 15.1 | 15.2 | 9.5 | 19.4 | 8.6 | 11.4 (3.7) | 3.5–20 | 11.7 | 8.4 | 5–14 |
α18:3 | 0.7 (0.4) | 0.3 | 0.9 | 1.1 | 1.4 | 0.4 | 2.4 (5.5) | <1.5 | 0.8 | 0.7 | <1.5 |
18:4 | – | – | |||||||||
20:0 | 0.9 (0.5) | 0.1 | 0.2 | 0.2 (0.1) | 0.5 | ||||||
20:1 ω9 | 0.3 | 0.3 (0.2) | 0.3 | ||||||||
20:4 ω6 | ≤0.5 | ||||||||||
20:5 ω3 | |||||||||||
22:6 |
Fatty acid composition of some triglyceride oils
Data = % w/w of total fatty acids from triglycerides (and waxes)
Fatty acid | Ostrich oils from | Muttonbird oils from | Neatsfoot oils | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
W.Africa9 | S.Africa10 | Poland11 | NZ12 | P.ten. 13 | Yolla-113 | Yolla-213 | Tas(P)14 | Tas(A)14 | Horse15 | Cattle16 | X17 | |
12:0 | ||||||||||||
14:0 | 0.9 | 0.8 | 0.7 (0.1) | 4.0 | 5.4 | 3.3 | 3.9 | 2.5 | 6.1 | 0.8 | 1.0 | 1.5 |
16:0 | 24.8 | 28.4 | 20.3 (0.9) | 7.7 | 15.8 | 8.7 | 7.2 | 3.7 | 14.6 | 17.9 | 18.2 | 12.6 |
16:1 ω7 | 5.6 | 8.4 | 0.4 (0.1) | 9.9 | 15.3 | 13.9 | 9.5 | 9.3 | 7.9 | 18.8 | 11.9 | 9.7 |
18:0 | 5.9 | 6.3 | 0.6 (0.1) | 1.3 | 1.8 | 1.1 | 1.3 | 3.7 | 3.6 | 2.5 | 3.6 | 2.4 |
18:1 ω9 | 39.7 | 16.9 | 36.4 (1.2) | 25.2 | 24.8 | 35.4 | 26.6 | 25.0 | 29.9 | 34.3 | 60.5 | 64.4 |
ω7 | 4.8 | 5.4 | 5.3 | |||||||||
18:2 ω6 | 17.0 | 13.3 | 16.2 (1.4) | 1.9 | 1.8 | 1.8 | 2.0 | 3.1 | 4.0 | 5.1 | 2.9 | 2.1 |
α18:3 | 3.8 | 4.9 | 16.0 (1.2) | 0.5 | 0.9 | – | 0.5 | 4.0 | 1.7 | 16.9 | 0.7 | 2.0 |
18:4 | 2.3 | 2.6 | 1.9 | 2.5 | ||||||||
20:0 | 0.3 | 0.2 | 0.1 | 0.1 | ||||||||
20:1 ω9 | 2.9 | 5.5 | 4.4 | 2.7 | 0.1 | 5.5 | ||||||
20:4 ω6 | 6.7 (1.2) | 0.7 | 1.2 | 0.7 | 1.8 | 2.1 | ||||||
20:5 ω3 | 14.0 | 7.5 | 5.3 | 13.5 | 13.2 | 6.1 | ||||||
22:6 ω3 | 10.2 | 9.1 | 3.0 | 10.9 | 5.7 | 14.4 |
1 | Subcutaneous adipose tissue: mean value (±SD) for 137 South Africans, 3 racial groups (Krut and Bronte-Stewart 1964) |
2 | |
3 | South Australia (Abimosleh et al. 2013) |
4 | Baramul Castlemaine, Vic |
5 | Kalaya, Wiluna W.A. |
6 | Pan-Australian Survey: mean values (±SD) for 48 oils (Turner 2014, unpublished) |
7 | Codex Committee on Fats and Oils (Gunstone et al. 1986) |
8 | Wardija = indigenous Maltese monoculture (reputed to be 2000 years old) |
9 | Kept in captivity UK (Gunstone and Russell 1954) |
10 | |
11 | Culled females, n = 6 (Horbanczuk et al. 2003) |
12 | Stewart Island, New Zealand |
13 | Bass Strait Islands, Tasmania (Warham et al. 1996) and recent harvesting 2011, 2013 (Y-1, Y-2) |
14 | P = proventricular (stomach) oil; A = adipose tissue (Clarke 1989; also see Woodward et al. 1995) |
15 | Washpool Stud, Qld. Oil aged 6 months at room temperature |
16 | Irish cattle (Hilditch 1956) |
17 | Source unspecified; also cite data from Argentina (Barr et al. 1970) |
Appendix D
Some pharmacogenic fungi that transform emu fat (SSF) |
---|
Epicoccum purpurescens |
Mucor BB12 |
Mucor BB16 |
Penicillium chrysogenum |
Rhizopus stolonifer |
Absidia sp |
Alternaria alternata |
Chaetomium globosum |
Chaetomium sp |
Cryptococcus albidus |
Mucor BB13 |
Mucor BB14 |
Mucor BB15 |
Mucor BB18 |
Mucor Black |
Mucor spp |
Nigrospora sphaerica |
Penicillium janczewski |
Penicillium sclerotiorum |
Rhodotorula mucilaginosa |
Trichosporon pullulans |
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Turner, A., Hancock, G., Wells, J., Whitehouse, M. (2015). Traditional Medicinal Oils Sourced from Birds: Anti-inflammatories and Potential Immunoregulants. In: Rainsford, K., Powanda, M., Whitehouse, M. (eds) Novel Natural Products: Therapeutic Effects in Pain, Arthritis and Gastro-intestinal Diseases. Progress in Drug Research, vol 70. Springer, Basel. https://doi.org/10.1007/978-3-0348-0927-6_5
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