Initiation and First Results of a Biofortification Program for Sweet Potato in South Africa

REFERENCES

• Bester , C. and Louw , J.H. 1992 . Sweet potato breeding in South Africa . J. S. Afr. Soc. Hort. Sci. , 2 ( 2 ) : 96 – 98 .
   Google Scholar
• Beyer , P. , Al-Babili , S. , Ye , X. , Lucca , P. , Schaub , P. , Welsch , R. and Potrykus , I. 2006 . Golden rice; Introducing β-carotene biosynthesis pathway into rice endosperm by genetic engineering to defeat vitamin A deficiency . J. Nutr. , 132 : 506S – 510S .
   Google Scholar
• Bouis , H.E. 2002 . Plant breeding: A new tool for fighting micronutrient malnutrition . J. Nutr. , 132 : 491S – 494S .
   PubMed Web of Science ®Google Scholar
• Clark , C.A. and Moyer , J.W. 1988 . Compendium of sweet potato diseases , St. Paul, MN : APS Press .
   Google Scholar
• Faber , M. , Laurie , S. and Venter , S. 2006 . Home-gardens to address vitamin A deficiency in South Africa: A food based approach , Pretoria, , South Africa : ARC-Roodeplaat Vegetable & Ornamental Plant Institute .
   Google Scholar
• GenStat . 2003 . GenStat for Windows , 7th , Hemel Hempstead, , UK : VSN International .
   Google Scholar
• Hagenimana , V. , Carey , E.E. , Gichuki , S.T. , Oyunga , M.A. and Imungi , J.K. 1999 . Carotenoid contents in fresh, dried and processed sweet potato products . Ecol. Food Nutr. , 37 : 455 – 473 .
   Web of Science ®Google Scholar
• Hagenimana , V. and Low , J. 2000 . Potential of orange-fleshed sweet potatoes for raising vitamin A intake in Africa . FNB , 21 ( 4 ) : 414 – 418 .
   Google Scholar
• Hall , R.H. and Phatak , S.R. 1993 . “ Sweet potato Ipomoea batatas (L.) Lam ” . In Genetic improvement of vegetable crops , Edited by: Kalloo , G. and Bergh , B.O. 693 – 708 . Oxford, , UK : Pergamon Press .
   Google Scholar
• Huaman , Z. 1992 . Systematic botany and morphology of the sweet potato plant , Technical Information Bulletin 25 Lima, , Peru : International Potato Center .
   Google Scholar
• Kapinga , R. , Andrade , M. , Tumwegamire , S. , Lemaga , B. , Agilli , S. , Mwanga , R. Laurie , S.M. November, 2006 2006 . Evaluation and large-scale dissemination of orange-fleshed sweet potato for combating vitamin A deficiency in Sub-Saharan Africa , 14th , November, 2006 , 20 – 26 . Trivandrum, , India : Triennial Symposium of the International Society for Tropical Root Crops (ISTRC) . Online. Available at http://www.istrc.org/Symposiums/India_06.html
   Google Scholar
• Kapinga , R. , Tumwegamire , S. and Ndunguru , J. 2007 . Status report of VITAA (Vitamin A for Africa): A partnership program combating Vitamin A deficiency through increased utilization of orange-fleshed sweet potato in sub-Saharan Africa , Uganda : International Potato Centre (CIP)-VITAA .
   Google Scholar
• Kopsell , D.A. and Kopsell , D.E. 2006 . Accumulation and bioavailability of dietary carotenoids . Trends Plant. Sci. , 11 ( 10 ) : 499 – 507 .
   PubMed Web of Science ®Google Scholar
• K'Osambo , L.M. , Carey , E.E. , Misra , A.K. , Wikes , J. and Hagenimana , V. 1998 . Influence of age, farming site and boiling on provitamin A content in sweet potato storage roots . J. Food Compost. Anal. , 11 : 305 – 321 .
   Google Scholar
• Kruger , M. , Sayed , N. , Langenhoven , M. and Holing , F. 1998 . Composition of South African foods. Vegetables and fruit. Supplement to the MRC food composition tables 1991 , Tygerberg, , South Africa : Medical Research Council, South Africa .
   Google Scholar
• Labadarios , D. , ed. 2000 . The national food consumption survey (NFCS): Children aged 1–9 years, South Africa, 1999 , Pretoria, , South Africa : Department of Health, South Africa .
   Google Scholar
• Lam , S. , Thompson , A.E. and McCollum , J.P. 1959 . Induction of flowering in sweet potato . Proc. Am. Soc. Hort. Sci. , 73 : 453 – 462 .
   Google Scholar
• Laurie , S.M. , Malemela , M.L. , Magoro , M.D. , Braun , B.R. , Bok , I. and Nxumalo , M. 2002 . Evaluation of selected sweet potato breeding lines and imported cultivars in the Southern region of SADC . Acta Hort. , 583 : 95 – 101 .
   Google Scholar
• Laurie , S. , Mphaphuli , S. , Faber , M. , Mtileni , M. and Domola , J. 2007 . Food garden project integrated with nutrition education and community-based growth monitoring to address vitamin A deficiency in Lusikisiki, Eastern Cape, South Africa , Pretoria, , South Africa : ARC-Vegetable and Ornamental Plant Institute .
   Google Scholar
• Laurie , S.M. and Van den Berg , A.A. 2002 . “ A review of recent progress in breeding sweet potato in South Africa for resource-poor farmers ” . In 12^th Symposium of International Society of Tropical Root Crops (ISTRC). Potential of root crop for food end industrial purposes, 10–16 Sept 2000, Tsukuba, Japan , Edited by: Nakatani , N. and Komaki , K. 216 – 219 . Ibaraki, , Japan : Cultio Corp .
   Google Scholar
• Laurie , S.M. , Van den Berg , A.A. , Magoro , M.D. and Kgonyane , M.C. 2004 . Breeding of sweet potato and evaluation of advanced breeding lines and imported varieties in off-station trials in South Africa . Afr. Crop Sci. J. , 12 ( 3 ) : 189 – 196 .
   Google Scholar
• Lopes , C.A. and Boiteux , L.S. 1994 . Leaf spot and stem blight of sweetpotato caused by Alternaria bataticola: A new record to South America . Plant Dis. , 78 : 1107 – 1109 .
   Google Scholar
• Low , J. , Walker , T. and Hijmans , R. May 2001 2001 . The potential impact of orange-fleshed sweet potatoes on vitamin A intake in Sub-Saharan Africa , May 2001 , 9 – 11 . Nairobi, , Kenya : Paper presented at the VITAA Workshop .
   Google Scholar
• Low , J.W. , Arimond , M. , Osman , N. , Cunguara , B. , Zano , F. and Tschirley , D. 2007 . A food-based approach introducing orange-fleshed sweet potatoes increase vitamin A intake and serum retinol concentrations in young children in Mozambique . J. Nutr. , 137 : 13209 – 11327 .
   Web of Science ®Google Scholar
• Manrique , K. and Hermann , M. 2002 . Comparative study to determine stable performance in sweet potato (Ipomoea batatas [L.] Lam.) regional traits . Acta Hort. , 583 : 87 – 94 .
   Google Scholar
• Mukherjee , P.K. and Ilangantileke , S. 2002 . Dietary intervention with orange-fleshed sweet potato (Ipomoea batatas (L.) Lam) to alleviate vitamin A deficiency in South and West Asia . Acta Hort. , 583 : 205 – 210 .
   Google Scholar
• Mwanga , R.O.M. , Niringiye , C. , Lemaga , B. , Kapinga , R. , Yencho , G.C. and Odongo , B. 2007 . “ Breeding efforts to develop high-yielding, multipli pest-resistant sweet potato germplasm in Uganda ” . In Proceedings of the 13th ISTRC Symposium , Edited by: Kapinga , R. , Kingamkono , R. , Msabaha , M. , Ndunguru , J. , Lemaga , B. and Tusiime , G. 60 – 71 . Arusha, , Tanzania : ISTRC Organising Committe .
   Google Scholar
• Nestel , P. , Bouis , H.E. , Meenaksi , J.V. and Pfeiffer , W. 2006 . Biofortification of staple food crops . J. Nutr. , 136 : 1064 – 1067 .
   PubMed Web of Science ®Google Scholar
• Pfeiffer , W.H. and McClafferty , B. 2007 . HarvestPlus: breeding crops for better nutrition . Crop Sci. , 47 ( S3 ) : S88 – S105 .
   Google Scholar
• Raboy , V. 2002 . Progress in breeding low phytate crops . J. Nutr. , 132 : 503S – 505S .
   PubMed Web of Science ®Google Scholar
• Rodriguez-Amaya, D.B. 2001. Guide to carotenoid analysis in food. New York: ILSI PRESS. Available at www.ilsi.org/file/carotenoids.pdf
   Google Scholar
• Ruel , M.T. and Levin , C.E. 2002 . Food-based approaches for alleviating micronutrient malnutrition: an overview . J. Crop Prod. , 6 ( 1–2 ) : 31 – 53 .
   Google Scholar
• SAVACG (South African Vitamin A Consultative Group) . 1995 . Anthropometric, vitamin A, iron and immunization coverage status in children aged 6–71 months in South Africa, 1994 . S. Afr. Med. J. , 86 : 354 – 7 .
   Google Scholar
• Snedecor , G.W. and Cochran , W.G. 1980 . Statistical Methods , 7th , 234 Lowa, , USA : Lowa State University Press .
   Google Scholar
• Takahata , Y. , Noda , T. and Nagata , T. 1993 . Varietal differences in chemical composition of the sweet potato storage root . Acta Hort. , 343 : 77 – 80 .
   Google Scholar
• Tumwegamire , S. , Kapinga , R. , Zhang , D. , Crisnam , C. and Agilli , S. 2004 . Opportunities for promoting orange-fleshed sweet potato among food based approach to combat vitamin A deficiency in sub-Saharan Africa . Afr. Crop Sci. J. , 12 ( 3 ) : 241 – 253 .
   Google Scholar
• UN SCN . 2004 . 5th Report on the world nutrition situation. Nutrition for improved development outcomes. United Nations System Standing Committe on Nutrition , Geneva, , Switzerland : United Nations System Standing Committee on Nutrition .
   Google Scholar
• USDA . 2005 . National nutrient database for standard reference, release 18 , United States Department of Agriculture . Online. Available at: http://www.nal.usda.gov/fnic/food_comp
   Google Scholar
• Van Jaarsveld , P.J. , Faber , M. , Tanumihardjo , S.A. , Nestel , P. , Lombard , C.J. and Benadè , A.J.S. 2005 . β–carotene-rich orange-fleshed sweet potato improves the vitamin A status of primary school children assessed with the modified-relative-dose-response test . Am. J. Clin. Nutr. , 81 : 1080 – 1087 .
   PubMed Web of Science ®Google Scholar
• Van Jaarsveld , P.J. , Marais , D. , Harmse , E. , Nestel , P. and Rodriguez-Amaya , D.B. 2006 . Retention of β–carotene in boiled, mashed orange-fleshed sweet potato . J. Food Compost. Anal. , 19 : 321 – 329 .
   Web of Science ®Google Scholar
• Wilson, J.E., F.S. Pole, N.E. Smit, and P. Taufatofua. 1989. Sweet potato (Ipomoea batatas) breeding. Ireta publications No. 89, Hawaii, pp. 15. Available at www.ctahr.hawaii/adap/publications/Ireta_pubs/sweet_breeding.pdf
   Google Scholar
• Woolfe , J.A. 1992 . Sweet potato an untapped food resource , Cambridge : Cambridge University Press .
   Google Scholar