【1】Hedren, E., Diaz, V., & Svanberg, U. (2002). Original Communications-Estimation of carotenoid accessibility from carrots determined by an in vitro digestion method. European journal of clinical nutrition, 56(5), 425-430.
【2】van het Hof, K. H., West, C. E., Weststrate, J. A., & Hautvast, J. G. (2000). Dietary factors that affect the bioavailability of carotenoids. The Journal of nutrition, 130(3), 503-506.