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Value of traditional foods in meeting macro- and micronutrient needs: the wild plant connection

Published online by Cambridge University Press:  14 December 2007

Louis E. Grivetti*
Affiliation:
Department of Nutrition, University of California, 1 Peter J. Shields Avenue, Davis, CA 95616, USA
Britta M. Ogle
Affiliation:
Swedish University of Agricultural Sciences, Department of Rural Development Studies, Box 7005, SE-750 07, Uppsala, Sweden
*
*Dr Louis E.Grivetti, fax +1 530 752 8966, email legrivetti@ucdavis.edu
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Abstract

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The importance of edible wild plants may be traced to antiquity but systematic studies are recent. Anthropologists, botanists, ecologists, food scientists, geographers, nutritionists, physicians and sociologists have investigated cultural aspects and nutrient composition of edible species. Important contributions to the diet from edible wild plants are well documented and numerous studies reveal roles played by ‘lesser-known’ species when meeting macro- and micronutrient needs of groups at risk, whether infants and children, pregnant and/or lactating women, or the elderly. The literature is vast and scattered but information on the macro- and micronutrient content of wild plants and their importance to the human diet appear in five kinds of publications: cultural works by social scientists, descriptions and inventories by botanists, dietary assessment studies by nutritionists, intervention programmes managed by epidemiologists and physicians, and composition data generally conducted by food scientists and chemists. Many macro- and micronutrient-dense wild species deserve greater attention but lack of adequate nutrient databases, whether by region or nation, limit educational efforts to improve diets in many Third World areas. Limited and uneven compositional data generally reflect factors of cost and personal interest in key nutrients. Whilst edible wild plants are regularly deprecated by policy makers and considered to be the ‘weeds of agriculture’, it would be tragic if this led to loss of ability to identify and consume these important available species.

Type
Research Article
Copyright
Copyright © CABI Publishing 2000

References

Al-Eiswi, DM & Takruri, HR (1989) A checklist of wild edible plants in Jordan. Arab Gulf Journal of Scientific Research Part B. Agricultural and Biological Sciences 7, 79102.Google Scholar
Ali, M & Tsou, SCS (1997) Combating micronutrient deficiencies through vegetables. A neglected food frontier in Asia. Food Policy 22, 1738.Google Scholar
Anderson, E (1952) Plants, Man, and Life. Berkeley, CA: University of California Press.Google Scholar
Anderson, EF (1993) Plants and People of the Golden Triangle. Ethnobotany of the Hill Tribes of Northern Thailand. Portland, OR: Dioscorides Press.Google Scholar
Anderson, R, Calvo, J, Serrano, G & Payne, G (1946) A study of the nutritional status and food habits of Otomí Indians in the Mezquital Valley of Mexico. American Journal of Public Health 36, 883903.Google Scholar
Anneger, JF (1973) Seasonal food shortages in West Africa. Ecology of Food and Nutrition 2, 251257.Google Scholar
Apicius, (1958) The Roman Cookery Book. A Critical Translation of the Art of Cooking, for Use in the Study and the Kitchen [B Flower and E Rosenbaum, translators]. London: George G. Harrap.Google Scholar
Arano, LC (1976) Tacuinum Sanitatis. The Medieval Health Handbook. New York, NY: George Braziller.Google Scholar
Athenaeus, (19271942) The Deipnosophists [CB Gulick, translator]. New York, NY: G. P. Putnam's Sons.Google Scholar
Balick, MJ & Cox, PA (1996) Plants, People, and Culture. The Science of Ethnobotany. Scientific American Library Series no. 60. New York, NY: Scientific American Library.Google Scholar
Bates, CJ (1983) Vitamin A in Pregnancy and Lactation. Proceedings of the Nutrition Society 42, 6579.Google Scholar
Becker, B (1983) The contribution of wild plants to human nutrition in the Ferlo (Northern Senegal). Agroforestry Systems 1, 257267.Google Scholar
Becker, B (1986) Wild plants for human nutrition in the Sahelian zone. Journal of Arid Environments 11, 6164.Google Scholar
Beemer, H (1939) Notes on the diet of the Swazi in the Protectorate. Bantu Studies 13, 199236.Google Scholar
Bennett, CF (1962) The Bayano Cuna Indians, Panama. An ecological study of livelihood and diet. Annals, Association of American Geographers 52, 3250.Google Scholar
Bernal Diaz, del Castillo (1956) The Discovery and Conquest of Mexico. 1717–1521 [AP Maudslay, translator]. New York, NY: Grove Press.Google Scholar
Bhandari, MM (1978) Flora of the Indian Desert. Jodhpur: Scientific Publishers.Google Scholar
Blum, L, Pelto, PJ, Pelto, GH & Kuhnlein, HV (1997) Community Assessment of Natural Food Sources of Vitamin A. Guidelines for an Ethnographic Protocol. Boston, MA: International Nutrition Foundation for Developing Countries.Google Scholar
Booth, SL, Johns, T & Kuhnlein, V (1992) Natural food sources of vitamin A. Food and Nutrition Bulletin 14, 619.Google Scholar
Brooke, C (1967) Types of food shortages in Tanzania. Geographical Review 57, 333357.Google Scholar
Bukason, SM (1930) The cultivated plants of Mexico, Guatemala, and Columbia. Bulletin of Applied Botany, Genetics, and Plant Breeding 47 470553.Google Scholar
Burgess, A & Dean, RFA (1962) Malnutrition and Food Habits. Report of an International and Interprofessional Conference. London: Tavistock Publications.Google Scholar
Calloway, DH, Giauque, RD & Costa, FM (1974) The superior mineral content of some American Indian foods in comparison to federally donated counterpart commodities. Ecology of Food and Nutrition 3, 203211.Google Scholar
Campbell, BM (1987) The use of wild plants in Zimbabwe. Economic Botany 41, 375385.Google Scholar
Caraka, (1981) Caraka-Samhita. Agnivesa's Treatise Refined and Annotated by Caraka and Redacted by Drdhabala, vol. 1, Sutrasthana to Indriyasthana. [ Sharma, P, editor]. Delhi: Chaukambha Orientalia.Google Scholar
Cortéz, H (1929) Hernando Cortés. Five Letters, 1519 – 1526 (Cartas de Relacion) [ Ross, ED and Power, E, editors; JB Morris, translator]. New York, NY: Robert M. McBride and Co.Google Scholar
Cotton, CM (1996) Ethnobotany: Principles and Applications. New York, NY: John Wiley & Sons.Google Scholar
Couplan, F (1983) Encyclopedie des plantes comestibles de l'Europe (Encylopaedia of edible European plants). Paris: Debard.Google Scholar
Dalziel, JM (1937) The Useful Plants of West Tropical Africa. Being an Appendix to the Flora of West Tropical Africa by J. Hutchinson and J. M. Dalziel. London: Crown Agents for Overseas Governments and Administrations.Google Scholar
Darby, WJ, Ghalioungui, P & Grivetti, LE (1977) Food. The Gift of Osiris. London: Academic Press.Google Scholar
de la, Cruz M.(1552) (1940) The Badianus Manuscript (Codex Barberini, Latin 241) Vatican Library. An Aztec Herbal of 1552. [EW Emmart, translator]. Baltimore, MA: The Johns Hopkins Press.Google Scholar
de Pee, S & West, EE (1996) Dietary carotenoids and their role in combating vitamin A deficiency. A Review of the Literature. European Journal of Clinical Nutrition 50, S38S53.Google Scholar
de Pee, S, West, CE, Muhilal, , Karyadi, D & Hautvast, JGAJ (1996) Can increased vegetable consumption improve iron status?. Food and Nutrition Bulletin 17, 3436.Google Scholar
de Pee, S, West, CE, Permaesih, D, Martuti, S, Muhilal, & Hautvast, JG (1998) Orange fruit is more effective than are dark-green, leafy vegetables in increasing serum concentrations of retinol and beta-carotene in school children in Indonesia. American Journal of Clinical Nutrition 68, 10581067.Google Scholar
Dettwyler, KA (1986) Infant feeding in Mali, West Africa. Variations in belief and practice. Social Science and Medicine 23, 651664.Google Scholar
Dettwyler, KA (1988) Styles of infant feeding. Parental/caretaker control of food consumption in young children. American Anthropologist 91, 696703.Google Scholar
Dioscorides, (1959) The Greek Herbal of Dioscorides [RT Gunther, translator]. New York, NY: Hafner.Google Scholar
Doughty, J (1979 a) Dangers of reducing the range of food choices in developing countries. Ecology of Food and Nutrition 8, 275283.Google Scholar
Doughty, J (1979 b) Decreasing variety of plant foods used in developing countries. Qualitas Plantarum 29, 163177.Google Scholar
Duc, BM (1988) Study of the nutritive value and utilization of wild vegetables in Viet Nam. In Applied Nutrition. Proceedings of the International Conference on Applied Nutrition, Hanoi, 25–29 April, 1986, pp. 327333. Hanoi: The National Institute of Nutrition and UNICEF.Google Scholar
Duke, JA & Vasquez, R (1994) Amazonian Ethnobotanical Dictionary. Boca Raton, FL: CRC Press.Google Scholar
Eromosele, IC & Eromosele, CO (1993) Studies on the chemical composition and physico-chemical properties of seeds of some wild plants. Plant Foods for Human Nutrition 43, 251258.Google Scholar
Eromosele, IC, Eromosele, CO, Akintoye, AO & Komolafe, TO (1994) Characterization of oils and chemical analyses of the seeds of wild plants. Plant Foods for Human Nutrition 46, 361365.Google Scholar
Eromosele, IC, Eromosele, CO & Kuzhkuzha, DM (1991) Evaluation of mineral elements and ascorbic acid contents in fruits of some wild plants. Plant Foods for Human Nutrition 41, 151154.Google Scholar
Etkin, NL (1986) Plants in Indigenous Medicine and Diet. Biobehavioral Approaches. Bedford Hills, NY: Redgrave Press.Google Scholar
Etkin, NL (1994) Eating on the Wild Side. The Pharmacologic, Ecologic, and Social Implications of Using Noncultigens. Tucson, AZ: University of Arizona Press.Google Scholar
Etkin, NL & Ross, PJ (1982) Food as medicine and medicine as food. Social Science and Medicine 16, 15591573.Google Scholar
Farfán, A (1579, 1592) (1944) Tractado Breve de Medicina. Madrid: Ediciones Cultura Hispánica.Google Scholar
Felger, R & Moser, MB (1976) Seri Indian food plants. Desert subsistence without agriculture. Ecology of Food and Nutrition 5, 1327.Google Scholar
Finley, DA, Dewey, KG, Lonnerdal, B & Grivetti, LE (1985) Food choices of vegetarians and non-vegetarians during pregnancy and lactation. Journal of the American Dietetic Association 85, 678685.Google Scholar
Fitzgerald, SL, Gibson, RS, Portocarrero, L & Deserrano, JQ (1992) Food consumption patterns and dietary diversity of pregnant women living in a peri-urban area of Guatemala City. Ecology of Food and Nutrition 27, 115.Google Scholar
Fleuret, A (1979) The role of wild foliage plants in the diet. A case study from Lushoto, Tanzania. Ecology of Food and Nutrition 8, 8793.Google Scholar
Fleuret, P & Fleuret, A (1991) Social organization, resource management, and child nutrition in the Taita Hills, Kenya. American Anthropologist 93, 91114.Google Scholar
Fox, FW (1966) Studies on the Chemical Composition of Foods Commonly Used in Southern Africa. Johannesburg: South African Institute for Medical Research.Google Scholar
Gade, DW (1972) South American lupin and the process of decline in the World Cultigen Inventory. Journal d'Agriculture Tropicale et de Botanique Appliquée 19, 8792.Google Scholar
Gilliland, L (1986) Proximate analysis and mineral composition of traditional California Native American foods. MSc Thesis, University of California, Davis.Google Scholar
Glew, RH, VanderJagt, DJ, Lockett, C, Grivetti, LE, Smith, GC, Pastuszyn, A & Millson, M (1998) Amino acid, fatty acid, and mineral composition of (24) indigenous plants of Burkina Faso. Journal of Food Composition and Analysis 10, 205217.Google Scholar
Godshall, AB (1942) Edible, Poisonous, and Medicinal Fruits of Central America. Panama Canal, Panama: privately published.Google Scholar
Grivetti, LE (1976) Dietary resources and social aspects of food use in a Tswana tribe. PhD Thesis, University of California, Davis.Google Scholar
Grivetti, LE (1978) Nutritional success in a semi-arid land. Examination of Tswana agro–pastoralists of the Eastern Kalahari, Botswana. American Journal of Clinical Nutrition 31, 12041220.Google Scholar
Grivetti, LE (1979) Kalahari agro–pastoral–hunter–gatherers. The Tswana example. Ecology of Food and Nutrition 7, 235256.Google Scholar
Grivetti, LE (1980) Goat kraal gardens and plant domestication. Thoughts on ancient and modern food production. Ecology of Food and Nutrition 10, 57.Google Scholar
Grivetti, LE (1981) Cultural nutrition. Anthropological and geographical themes. Annual Review of Nutrition 1, 4768.Google Scholar
Grivetti, LE (1993) Nutritional anthropology. An integrated approach to pregnancy and delivery. In Modern Nutrition in Health and Disease, 8th ed., pp. 15171525. philadelphia, PA: Lea and Febiger.Google Scholar
Grivetti, LE (1999) Sound nutrition in the midst of poverty. The Otomí revisited. In Proceedings, Cultural and Historical Aspects of Foods. Yesterday, Today, and Tomorrow, pp. 9098 [Kelsey, MW and Holmes, Z-A, editors]. Corvallis, OR: Nutrition and Food Management College of Home Economics and Education, Oregon State University.Google Scholar
Grivetti, LE, Frentzel, CJ, Ginsberg, KE, Howell, KL & Ogle, BM (1987) Bush foods and edible weeds of agriculture. Perspectives on dietary use of wild plants in Africa; their role in maintaining human nutritional status, and implications for agricultural development. In Health and Disease in Tropical Africa. Geographical and Medical Viewpoints, pp. 5181 [Akhtar, R, editor]. London: Harwood.Google Scholar
Grivetti, LE & Ogle, BM (1980 a) Agricultural Development. Present and Potential Role of Edible Wild Plants. Part 1. Central and South America and the Caribbean. Report to the Department of State, Agency for International Development. Washington, D.C.: USAID.Google Scholar
Grivetti, LE & Ogle, BM (1980 b) Agricultural Development. Present and Potential Role of Edible Wild Plants. Part 2. Sub-Saharan Africa. Report to the Department of State, Agency for International Development. Washington, D.C.: USAID.Google Scholar
Grivetti, LE & Ogle, BM (1980 c) Agricultural Development. Present and Potential Role of Edible Wild Plants. Part 3. India, East Asia, Southeast Asia, Oceania. Report to the Department of State, Agency for International Development. Washington, D.C.: USAID.Google Scholar
Haddad, L & Oshaug, A (1999) How does the human rights perspective help to shape the food and nutrition policy research agenda?. Food Policy 23, 329345.Google Scholar
Harris, R (1962) Influences of culture on man's diet. Archives of Environmental Health 5, 144152.Google Scholar
Harris, RS & Munsell, HE (1950) Edible plants of Central America. Journal of Home Economics 42, 629631.Google Scholar
Heiser, CB (1973) Seed to Civilization. The Story of Man's Food. San Francisco, CA: W.H. Freeman.Google Scholar
Hendrick, UP (1919) Sturtevant's Notes on Edible Plants. Albany, NY: J. B. Lyon State Printer.Google Scholar
Hernández, F (1577) (19421946) Historia de las Plantas de la Nueva España. [Ochoterena, I, editor]. México City: Imprenta Universitaria.Google Scholar
Hongo, T, Suzuki, T, Ohtsuka, R, Kawabe, T, Inaoka, T & Akimichi, T (1989) Element intake of the Gidra in lowland Papua. Inter-village variation and the comparison with contemporary levels in developed countries. Ecology of Food and Nutrition 23, 293309.Google Scholar
Humphry, CM, Clegg, MS, Keen, CL & Grivetti, LE (1993) Food diversity and drought survival. The Hausa example. International Journal of Food Sciences and Nutrition 44, 116.Google Scholar
Hunter, JM (1967) Seasonal hunger in a part of the West African savanna. A survey of body weights in Nangodi, North-east Ghana. Transactions, Institute of British Geographers 41, 167185.Google Scholar
Huss-Ashmore, R & Curry, JJ (1991) Diet, nutrition, and agricultural development in Swaziland. Part 2. Patterns of food consumption. Ecology of Food and Nutrition 26, 167185.Google Scholar
Irvine, FR (1948 a) The indigenous food plants of West African peoples. Part 1. Journal of the New York Botanical Garden 49, 22236.Google Scholar
Irvine, FR (1948 b) The indigenous food plants of West African peoples. Part 2. Journal of the New York Botanical Garden 49, 254267.Google Scholar
Irvine, FR (1952) Supplementary and emergency food plants of West Africa. Economic Botany 6, 2340.Google Scholar
Isaac, E (1970) Geography of Domestication. Englewood Cliffs, NJ: Prentice-Hall.Google Scholar
Johansson, A, Laakso, P & Kallio, H (1997) Characterization of seed oils of wild, edible Finnish berries. Zeitschrift für Lebensmittel, Untersuchung und Forschung 204, 300307.Google Scholar
Johns, T, Booth, SL & Kuhnlein, HV (1992) Factors influencing vitamin A intake and programmes to improve vitamin A status. Food and Nutrition Bulletin 14, 2033.Google Scholar
Jones, SM (1963) A Study of Swazi Nutrition. Report of the Swaziland Nutrition Survey 1961–62 for the Swaziland Administration. Durban, South Africa: Institute for Social Research, University of Natal.Google Scholar
Kim, SH & Oh, S-Y (1996) Cultural and nutritional aspects of traditional Korean diet. World Review of Nutrition and Dietetics 79, 109132.Google Scholar
Krantzler, NJ, Mullen, BJ, Comstock, EM, Holden, CA, Schutz, HG, Grivetti, LE & Meiselman, HL (1982 a) Methods of food intake assessment. An annotated bibliography. Journal of Nutrition Education 14, 108119.Google Scholar
Krantzler, NJ, Mullen, BJ, Schutz, HG, Grivetti, LE, Holden, CA & Meiselman, HL (1982 b) Validity of telephoned diet recalls and records for assessment of individual food intake. American Journal of Clinical Nutrition 36, 12341242.Google Scholar
Kuhnlein, HV (1986) Food sample collection for nutrient analyses in ethnobiological studies. Journal of Ethnobiology 6, 1925.Google Scholar
Kuhnlein, HV (1989) Factors influencing use of traditional foods among the Nuxalk people. Journal of the Canadian Dietetic Association 50, 102108.Google Scholar
Kuhnlein, HV & Burgess, S (1997) Improved retinol, ferritin and folate status in Nuxalk teenagers and adults after a health promotion programme. Food and Nutrition Bulletin 18, 202210.Google Scholar
Kuhnlein, HV, Calloway, DH & Harland, BH (1979) Composition of traditional Hopi foods. Journal of the American Dietetic Association 75, 3741.Google Scholar
Kuhnlein, HV & Pelto, GH (1997) Culture, Environment, and Food to Prevent Vitamin A Deficiency. Boston, MA: International Nutrition Foundation for Developing Countries.Google Scholar
Kuhnlein, HV & Turner, NJ (1991) Traditional Plant Foods of Canadian Indigenous Peoples. Nutrition, Botany, and Use. Philadelphia, PA: Gordon and Breach.Google Scholar
Labadarios, D, Walker, ARP, Blaauw, R & Walker, BF (1996) Traditional diets and meal patterns in South Africa. World Review of Nutrition and Dietetics 79, 70108.Google Scholar
Lagouri, V, Blekas, G, Tsimidou, M & Kokkini, S (1993) Composition and antioxidant activity of essential oils from oregano plants grown wild in Greece. Zeitschrift für Lebensmittel, Untersuchung and Forschung 197, 2023.Google Scholar
Lockett, CT (1999) Nutritional consequences of food-related behaviors during drought and chemical composition of edible wild plants consumed by groups most vulnerable during the dry season. A study of the rural Fulani of northeast Nigeria. PhD Thesis, University of California, Davis.Google Scholar
Lundell, CL (1937) The Vegetation of Petén. With an Appendix. Studies of Mexican and Central American Plants, vol. 1, publication no. 478. Washington, D.C.: Carnegie Institute of Washington.Google Scholar
McGregor, J (1995) Gathered produce in Zimbabwe's communal areas changing resource availability and use. Ecology of Food and Nutrition 33, 163193.Google Scholar
Malaisse, F & Parent, G (1985) Edible wild vegetable products in the Zambezian woodland area. A nutritional and ecological approach. Ecology of Food and Nutrition 18, 4382.Google Scholar
Mandaville, JP (1990) Flora of Eastern Saudi Arabia. London: Kegan Paul and Riyadh: National Commission for Wildlife Conservation and Development.Google Scholar
Mariath, HGR, Lima, MCC & Santos, LMP (1989) Vitamin A activity of Burriti (Mauritia vinifera Mart.) and its effectiveness in the treatment and prevention of xeropthalmia. American Journal of Clinical Nutrition 49, 849853.Google Scholar
Merrill, ED & Walker, EH (1938) A Bibliography of Eastern Asiatic Botany. Jamaica Plain, MA: Arnold Arboretum of Harvard University.Google Scholar
Miracle, MP (1961) Seasonal hunger. A vague concept and an unexplored problem. Bulletin de l'Institut Français d'Afrique Noire 23, 273283.Google Scholar
Mullen, BJ, Krantzler, NJ, Grivetti, LE, Schutz, HG & Meiselman, HL (1984) Validity of a food frequency questionnaire for the determination of individual food intake. American Journal of Clinical Nutrition 39, 136143.Google Scholar
Nabhan, GP (1985) Gathering the Desert. Tucson, AZ: University of Arizona Press.Google Scholar
National Research Council/National Academy of Sciences (1975) Underexploited Tropical Plants with Promising Economic Value. Washington, D.C.: National Research Council/National Academy of Sciences.Google Scholar
National Research Council/National Academy of Sciences (1979) Tropical Legumes. Resources for the Future. Washington, D.C.: National Research Council/National Academy of Sciences.Google Scholar
Newman, JL (1968) Geography and subsistence change among the Sandawe. PhD Thesis. University of Minnesota.Google Scholar
Newman, JL (1970) The Ecological Basis for Subsistence Change among the Sandawe of Tanzania. Washington, D.C.: National Academy of Sciences.Google Scholar
Newman, JL (1975) Dimensions of Sandawe diet. Ecology of Food and Nutrition 4, 3339.Google Scholar
Nietschmann, BQ (1970) Between land and water. The subsistence ecology of the Miskito indians, eastern Nicaragua. PhD Thesis. University of Wisconsin, Madison.Google Scholar
Nietschmann, BQ (1971) The study of indigenous food production systems. Mere subsistence or merrily subsisting?. Revista Geographica 74, 8399.Google Scholar
Nordeide, MB, Hatloy, A, Folling, M, Lied, E & Oshaug, A (1996) Nutrient composition and nutritional importance of green leaves and wild food resources in an agricultural district, Koutiala, in Southern Mali. International Journal of Food Sciences and Nutrition 47, 455468.Google Scholar
Nordeide, MB, Holm, H & Oshaug, A (1994) Nutrient composition and protein quality of wild gathered foods from Mali. International Journal of Food Sciences and Nutrition 45, 275286.Google Scholar
O'Dea, K, White, NG & Sinclair, AJ (1988) An investigation of nutrition-related risk factors in an isolated Aboriginal community in northern Australia. Advantages of a traditionally-orientated life-style. Medical Journal of Australia 148, 177180.Google Scholar
Ogle, BM (1982) Dietary utilization of wild plant resources in four ecological zones of rural Swaziland. MSc Thesis. University of California, Davis.Google Scholar
Ogle, BM & Grivetti, LE (1985 a) Legacy of the chameleon. Edible wild plants in the Kingdom of Swaziland, Southern Africa. A cultural, ecological, nutritional study. Part 1. Introduction, objectives, methods, Swazi culture, landscape, and diet. Ecology of Food and Nutrition 16, 193208.Google Scholar
Ogle, BM & Grivetti, LE (1985 b) Legacy of the chameleon. Edible wild plants in the Kingdom of Swaziland, Southern Africa. A cultural, ecological, nutritional study. Part 2. Demographics, species availability and dietary use, analysis by ecological zone. Ecology of Food and Nutrition 17, 130.Google Scholar
Ogle, BM & Grivetti, LE (1985 c) Legacy of the chameleon. Edible wild plants in the Kingdom of Swaziland, Southern Africa. A cultural, ecological, nutritional Study. Part 3. Cultural and ecological analysis. Ecology of Food and Nutrition 17, 3140.Google Scholar
Ogle, BM & Grivetti, LE (1985 d) Legacy of the chameleon. Edible wild plants in the Kingdom of Swaziland, Southern Africa. A cultural, ecological, nutritional study. Part 4. Nutritional analysis and conclusions. Ecology of Food and Nutrition 17, 4164.Google Scholar
Ogubu, JO (1973) Seasonal hunger in tropical Africa as a cultural phenomenon. The Onicha Ibo of Nigeria and Chakaka Poka of Malawi examples. Africa 43, 317332.Google Scholar
Omori, K & Greksa, LP (1996) Dietary patterns and dietary adequacy of Highland Pwo and Sgaw Karen of Northeast Thailand. Ecology of Food and Nutrition 35, 219235.Google Scholar
Oomen, HAPC & Grubben, GJH (1978) Tropical Leaf Vegetables in Human Nutrition. Amsterdam: Koninklikj Instituut voor de Tropen.Google Scholar
Pennington, C (1959) The material culture of the Tarahumara and their environment. PhD Thesis. University of California, Berkeley.Google Scholar
Pepping, F, Vencken, CMJ & West, CE (1988) Retinol and carotene content of foods consumed in East Africa determined by high performance liquid chromatography. Journal of the Science of Food and Agriculture 45, 359371.Google Scholar
Pirie, NW (1962) Indigenous foods. Advancement of Science 18, 467475.Google Scholar
Pirie, NW (1969 a) Food Resources. Conventional and Novel. London: Penguin Books.Google Scholar
Pirie, NW (1969 b) Plants as sources of unconventional protein foods. In All-Congress Symposium. World Food Supply, vol. 11. International Botanical Congress, Seattle, Washington, August 28th, (1969).Google Scholar
Prance, GT & Elias, TS (1977) Extinction is Forever. Threatened and Endangered Species of Plants in the Americas and Their Significance in Ecosystems Today and in the Future. Proceedings of a Symposium, May 1113, 1976, Bronx, New York. New York, NY: The New York Botanical Garden.Google Scholar
Raies, RR (1980) Checklist of Economic Plants in Asia. Laguna, Philippines: Agricultural Information Bank for Asia.Google Scholar
Richards, AI (1939) Land, Labour and Diet in Northern Rhodesia. An Economic Study of the Bemba Tribe. London: International Institute of African Languages and Cultures.Google Scholar
Robson, JRK (1976) Changing food habits in developing countries. Ecology of Food and Nutrition 4, 251256.Google Scholar
Sauer, JD (1950) The Grain Amaranths. A survey of their history and classification. Annals of the Missouri Botanical Gardens 37, 561632.Google Scholar
Schultes, RE (1979) The Amazonia as a source of new economic plants. Economic Botany 33, 259266.Google Scholar
Scoones, I, Melnyk, M & Pretty, JN (1992) The Hidden Harvest. Wild Foods and Agricultural Systems. A Literature Review and Annotated Bibliography. London: Sustainable Agriculture Programme, International Institute for Environment and Development.Google Scholar
Sena, LP, VanderJagt, DJ, Rivera, C, Tsin, AT, Muhamadu, I, Mahamadou, O, Millson, M, Pastuszyn, A & Glew, RH (1998) Analysis of nutritional components of eight famine foods of the Republic of Niger. Plant Foods for Human Nutrition 52, 1730.Google Scholar
Shrimpton, R (1989) Vitamin A deficiency in Brazil. Perspectives for food production oriented interventions. Ecology of Food and Nutrition 23, 261271.Google Scholar
Simoons, FJ (1991) Food in China. A Cultural and Historical Inquiry. Boca Raton, FL: CRC Press.Google Scholar
Smith, GC, Clegg, MS, Keen, CL & Grivetti, LE (1995) Mineral values of selected plant foods common to Southern Burkina Faso and to Niamey, Niger, West Africa. International Journal of Food Sciences and Nutrition 47, 4153.Google Scholar
Smith, GC, Dueker, SR, Clifford, AJ & Grivetti, LE (1996) Carotenoid values of selected plant foods common to Southern Burkina Faso, West Africa. Ecology of Food and Nutrition 35, 4358.Google Scholar
Speek, AJ, Speeksaichusa, S & Schreurs, WHP (1991) Determination of macronutrient and micronutrient levels in Thai foods. An evaluation of the Thai food composition table. Food Chemistry 40, 251262.Google Scholar
Tanaka, T (1976) Tanaka's Cyclopedia of Edible Plants of the World. Tokyo: Keigagu Publishing Company.Google Scholar
Terra, GJA (1966) Tropical Vegetables. Communication no. 54e. Department of Agricultural Research of the Royal Tropical Institute. Amsterdam: Royal Tropical Institute.Google Scholar
Uiso, FC & Johns, T (1996) Consumption patterns and nutritional contribution of Crotalaria brevidens (mitoo) in Tarime District, Tanzania. Ecology of Food and Nutrition 35, 5969.Google Scholar
Uphof, JCH (1968) Dictionary of Economic Plants, 2nd ed. New York, NY: Stechert-Hafner.Google Scholar
Usher, G (1974) A Dictionary of Plants Used by Man. London: Constable.Google Scholar
Valaoras, VG (1946) Some effects of famine on the population of Greece. Milbank Fund Quarterly 24, 215234.Google Scholar
Villard, L & Bates, CJ (1987) Dietary intake of vitamin A precursors by rural Gambian pregnant and lactating women. Human Nutrition 41, 135145.Google Scholar
von Maydell, HJ (1990) Trees and Shrubs of the Sahel. Their Characteristics and Uses. Weikersheim: Verlag Josef Margraf.Google Scholar
von Reis, A (1973) Drugs and Foods from Little-Known Plants. Cambridge, MA: Harvard University Press.Google Scholar
Washington, G (1777) General Orders. Issued June 9th, 1777, Headquarters, Middle-Brook. National Archives, Washington, D.C.Google Scholar
Wilkes, G (1977) Native crops and wild food plants. Ecologist 7, 312317.Google Scholar
Williams, LO (1981) The Useful Plants of Central America. Tegucigalpa, Honduras: Escuela Agrícola Panamericana.Google Scholar
Zeitlin, MF, Megawangi, R, Kramer, EM & Armstrong, HC (1992) Mothers' and children's intakes of vitamin A in rural Bangladesh. American Journal of Clinical Nutrition 56, 61366147.Google Scholar
Zinyama, LM, Matiza, T & Campbell, DJ (1990) The use of wild foods during periods of food shortage in rural Zimbabwe. Ecology of Food and Nutrition 24, 251256.Google Scholar