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The purpose of this study was to compare the in vitro iron availability from diverse iron biofortified International Potato Center (CIP) potato clones grown in the Peruvian Andes and, thereby, to provide key information to breeders seeking to increase bioavailable iron from potato.


Andre, C.M.Evers, D.Ziebel, J.Guignard, C.Hausman, J.F.Bonierbale, Merideth W.Felde, T. zumBurgos, G.[In vitro bioaccessibility and bioavailability of iron from potatoes with varying Vitamin C, carotenoid, and phenolic concentrations]In vitro bioaccessibility and bioavailability of iron from potatoes with varying Vitamin C, carotenoid, and phenolic concentrations

Micronutrient deficiencies in diets, including iron (Fe) and zinc (Zn), are an important public health problem across population in Ethiopia. Potato is a modest source of dietary nutrients. The purpose of this study was to assess the mineral (Fe & Zn) composition of potato germplasm in Ethiopia a...


Asfaw, A.Woldegiorgis, G.Kolech, S.A.Mulugeta, G.Mulugeta, D.Ngugi, A.Burgos, G.Felde, T. zumBonierbale, Merideth W.[Micro-nutrient composition and end-user acceptable quality in potato in Ethiopia]Micro-nutrient composition and end-user acceptable quality in potato in Ethiopia

Burgos, G.Munoa, L.P.Sosa P, P.Cayhualla, E.Carpio, R.Felde, T. zum[Procedures for chemical analysis of potato and sweetpotato samples at CIP’s Quality and Nutrition Laboratory.]Procedures for chemical analysis of potato and sweetpotato samples at CIP’s Quality and Nutrition Laboratory.

Research to evaluate the potential of sweet potato to alleviate iron deficiency in affected human populations in developing countries is scarce. To partly fill this gap, we evaluated the bioaccessibility of iron in six sweet potato clones grown in two Peruvian environments, Satipo and San Ramon, ...


Andre, C.M.Burgos, G.Ziebel, J.Guignard, C.Hausman, J.F.Felde, T. zum[In vitro iron bioaccessibility and uptake from orange-fleshed sweet potato (Ipomoea batatas (L.) Lam.) clones grown in Peru.]In vitro iron bioaccessibility and uptake from orange-fleshed sweet potato (Ipomoea batatas (L.) Lam.) clones grown in Peru.

A dynamic human gastrointestinal (GI) model was used to digest cooked tubers from purple-fleshed Amachi and Leona potato cultivars to study anthocyanin biotransformation in the stomach, small intestine and colonic vessels. Colonic Caco-2 cancer cells and non-tumorigenic colonic CCD-112CoN cells w...


Kubow, S.Iskandar, M.M.Melgar-Bermudez, E.Sleno, L.Sabally, K.Azadi, B.How, E.Prakash, S.Burgos, G.Felde, T. zum[Effects of simulated human gastrointestinal digestion of two purple-fleshed potato cultivars on anthocyanin composition and cytotoxicity in colonic cancer and non-tumorigenic cells.]Effects of simulated human gastrointestinal digestion of two purple-fleshed potato cultivars on anthocyanin composition and cytotoxicity in colonic cancer and non-tumorigenic cells.

Owusu-Mensah, E.Oduro, I.Asafu-Agyei, J.N.Obeng-Bio, E.Felde, T. zumCarey, E.E.[Near Infrared Reflectance Spectroscopy: Accelerating sweetpotato breeding at the sweetpotato support platform for West African in Ghana.]Near Infrared Reflectance Spectroscopy: Accelerating sweetpotato breeding at the sweetpotato support platform for West African in Ghana.

A developed Near Infrared Reflectance Spectroscopy (NIRS) calibration equation was used for determining provitamin A carotenoids contents of different trials of fresh yellow root cassava genotypes using a total of 50 cassava genotypes scanned twice by NIRS from 400 nm to 2498 nm. The NIRS calibra...


Alamu, E.O.Maziya-Dixon, B.B.Felde, T. zumKulakow, P.Parkes, E.[Application of near infrared reflectance spectroscopy in screening of fresh cassava (Manihot esculenta crantz) storage roots for provitamin A carotenoids]Application of near infrared reflectance spectroscopy in screening of fresh cassava (Manihot esculenta crantz) storage roots for provitamin A carotenoids

Potato (Solanum tuberosum L.) is one of the widely produced, consumed and traded horticultural crops in Bhutan. Hence, potato cultivation has helped to transform the Bhutanese agriculture from subsistence to an emerging market-oriented agriculture. However, its productivity has remained stagnant ...


Bajgai, Y.Dochen, T.Wangchuk, P.Kadian, M.S.Felde, T. zumLefebvre, M.LobzangArya, S.SangayWangdi, T.Gyeltshen, T.Wangdi, N.[Participatory varietal selection of potato and agronomic performance with farmers’ feedback on new varieties.]Participatory varietal selection of potato and agronomic performance with farmers’ feedback on new varieties.

Porras, E.Burgos, G.Sosa, P.Felde, T. zum[Procedures for sampling and sample preparation of sweetpotato roots and potato tubers for mineral analysis.]Procedures for sampling and sample preparation of sweetpotato roots and potato tubers for mineral analysis.

Burgos, G.Munoa, L.P.Sosa, P.Felde, T. zumBonierbale, Merideth W.Díaz, M.[Bioaccesibilidad de carotenoides y antocianinas en papas cocidas.]Bioaccesibilidad de carotenoides y antocianinas en papas cocidas.

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