H. E. Bouis, C. Hotz, B. Mcclafferty, J. V. Meenakshi, and W. H. Pfeiffer, Biofortification: A new tool to reduce micronutrient malnutrition, Food Nutr Bull, vol.32, p.21717916, 2011.

C. Iglesias, J. Mayer, L. Chavez, and F. Calle, Genetic potential and stability of carotene content in cassava roots, Euphytica, vol.94, pp.367-373, 1997.

E. F. Talsma, I. D. Brouwer, H. Verhoef, G. N. Mbera, A. M. Mwangi et al., Biofortified yellow cassava and vitamin A status of Kenyan children: a randomized controlled trial, Am J Clin Nutr, vol.103, p.26675768, 2016.

T. Sá-nchez, H. Ceballos, D. Dufour, D. Ortiz, N. Morante et al., Prediction of carotenoids, cyanide and dry matter contents in fresh cassava root using NIRS and Hunter color techniques, Food Chem, vol.151, p.24423555, 2014.

H. Ceballos, J. Luna, A. F. Escobar, D. Ortiz, J. C. Pérez et al., Spatial distribution of dry matter in yellow fleshed cassava roots and its influence on carotenoid retention upon boiling, Food Res Int. Elsevier Ltd, vol.45, pp.52-59, 2012.

S. K. Thakkar, T. Huo, B. Maziya-dixon, and M. L. Failla, Impact of style of processing on retention and bioaccessibility of ?-carotene in cassava (Manihot esculenta, Crantz), J Agric Food Chem, vol.57, p.19199597, 2009.

P. B. Hamilton, The use of high-performance liquid chromatography for studying pigmentation, Poult Sci, vol.71, p.1594523, 1992.

M. S. Andersson, A. Satlzman, P. S. Virk, and W. H. Pfeiffer, Progress update: Crop development of biofortified staple food crops under HarvestPlus, Agric Nutr Dev, vol.17, pp.11905-11935, 2017.

D. Rodriguez-amaya and M. Kimura, HarvestPlus Handbook for carotenoid analysis

, International Food Policy Research Institute (IFPRI), 2004.

H. Ceballos, N. Morante, T. Sá-nchez, D. Ortiz, I. Aragón et al., Rapid cycling recurrent selection for increased carotenoids content in cassava roots, Crop Sci, vol.53, pp.2342-2351, 2013.

A. L. Chávez, T. Sá-nchez, G. Jaramillo, J. M. Bedoya, J. Echeverry et al., Variation of quality traits in cassava roots evaluated in landraces and improved clones, Euphytica. Kluwer Academic Publishers, vol.143, pp.125-133, 2005.

, Official Methods of Analysis of the AOAC. 14th ed. Association of Official Analytical Chemists, 1984.

K. Islam and F. J. Schweigert, Comparison of three spectrophotometric methods for analysis of egg yolk carotenoids, Food Chem. Elsevier Ltd, vol.172, p.25442548, 2015.

A. Laillou, C. Renaud, J. Berger, R. Moench-pfanner, L. Fontan et al., Assessment of a portable device to quantify Vitamin A in fortified foods (flour, sugar, and milk) for quality control, Food Nutr Bull, vol.35, p.25639130, 2014.

R. Engle-stone, M. J. Haskell, L. Frano, M. R. Ndjebayi, A. O. Nankap et al., Comparison of breast milk vitamin A concentration measured in fresh milk by a rapid field assay (the iCheck FLUORO) with standard measurement of stored milk by HPLC, Eur J Clin Nutr, vol.68, p.24736678, 2014.

P. Kulakow, E. Parkes, S. Friedrich, F. Schweigert, O. Alamu et al., reproducibility and comparison of iCheckTM CAROTENE with spectrophotometer and HPLC for evaluation of total carotenoids in cassava roots, Eur J Nutr Food Saf, vol.5, pp.1040-1041, 2015.

F. Davrieux, D. Dufour, P. Dardenne, J. Belalcazar, M. Pizarro et al., LOCAL regression algorithm improves near infrared spectroscopy predictions when the target constituent evolves in breeding populations, J Near Infrared Spectrosc, vol.24, pp.109-117, 2016.

N. Berardo, O. V. Brenna, A. Amato, P. Valoti, V. Pisacane et al., Carotenoids concentration among maize genotypes measured by near infrared reflectance spectroscopy (NIRS), Innov Food Sci Emerg Technol, vol.5, pp.393-398, 2004.

M. Bonierbale, W. Grü-neberg, W. Amoros, G. Burgos, E. Salas et al., Total and individual carotenoid profiles in Solanum phureja cultivated potatoes: II. Development and application of near-infrared reflectance spectroscopy (NIRS) calibrations for germplasm characterization, J Food Compos Anal, vol.22, pp.509-516, 2009.

A. Pedro and M. Ferreira, Nondestructive determination of solids and carotenoids in tomato products by near-infrared spectroscopy and multivariate calibration, Anal Chem. American Chemical Society, vol.77, p.15828787, 2005.

R. Baranski, M. Baranska, and H. Schulz, Changes in carotenoid content and distribution in living plant tissue can be observed and mapped in situ using NIR-FT-Raman spectroscopy, Planta. Springer-Verlag, vol.222, p.16007452, 2005.

U. N. Ikeogu, F. Davrieux, D. Dufour, H. Ceballos, C. N. Egesi et al., Rapid analyses of dry matter content and carotenoids in fresh cassava roots using a portable visible and near infrared spectrometer (Vis/ NIRS), PLoS One, vol.12, p.29228026, 2017.

F. F. De-moura, A. Miloff, and E. Boy, Retention of provitamin A carotenoids in staple crops targeted for biofortification in Africa: Cassava, maize and sweet potato, Crit Rev Food Sci Nutr, vol.55, p.24915386, 2015.

A. L. Chávez, T. Sá-nchez, H. Ceballos, D. Rodriguez-amaya, P. Nestel et al., Retention of carotenoids in cassava roots submitted to different processing methods, J Sci Food Agric, vol.87, pp.388-393, 2007.

E. Mellado-ortega and D. Hornero-mé-ndez, Effect of long-term storage on the free and esterified carotenoids in durum wheat (Triticum turgidum conv. durum) and tritordeum (×Tritordeum Ascherson et Graebner) grains, Food Res Int, vol.99, p.28847425, 2017.

L. J. Carvalho, A. G. Oliveira, R. O. Godoy, S. Pacheco, M. Nutti et al., Retention of total carotenoid and ?-carotene in yellow sweet cassava (Manihot esculenta Crantz) after domestic cooking, Food Nutr Res, vol.56, p.22468142, 2012.

. Rodriguez-amaya and . Db, A guide to carotenoid analysis in foods

D. C. Washington, , 2001.

J. Belalcazar, D. Dufour, M. S. Andersson, M. Pizarro, J. Luna et al., High-throughput phenotyping and improvements in breeding cassava for increased carotenoids in the roots, Crop Sci, vol.56, pp.2916-2925, 2016.

J. Raila, F. Enjalbert, R. Mothes, A. Hurtienne, and F. J. Schweigert, Validation of a new point-of-care assay for determination of ?-carotene concentration in bovine whole blood and plasma, Vet Clin Pathol, vol.41, p.22283596, 2012.

J. M. Bland and D. G. Altman, Statistical methods for assessing agreement between two methods of clinical measurement, Lancet, vol.327, issue.86, pp.90837-90845, 1986.

E. W. Murphy, P. E. Criner, and B. C. Gray, Comparisons of methods for calculating retention of nutrients in cooked foods, J Agric Food Chem, vol.23, p.1238446, 1975.

, AOAC International. Appendix K: Guidelines for dietary supplements and botanicals. AOAC Off Methods Anal. AOAC, 2012.

J. S. Shenk and M. O. Westerhaus, Population definition, sample selection, and calibration procedures for near infrared reflectance spectroscopy, Crop Sci. Crop Science Society of America, vol.31, pp.469-474, 1991.

S. S. Butarelo, A. Beleia, B. Fonseca-ic-de, and K. C. Ito, Hidratação de tecidos de raízes de mandioca (Manihot esculenta Crantz) e gelatinização do amido durante a cocção

, , pp.311-315, 2004.