1. Asami, T., Kubota, M., Minamisawa, K., and Tsukihashi, T. (1989) Chemical composition of yacon, a new root crop from the Andean highlands. Soil Sci. Plant Nutr., 60, 122-126.
2. Bej, A.K., McCarty, S.C., and Atlas, R.M. (1991) Detection of coliform bacteria and Escherichia coli by multiplex polymerase chain reaction: comparison with defined substrate and plating methods for water quality monitoring. Appl. Environ. Microbiol., 57, 2429-2432.
3. Bouhnik, Y., Vahedi, K., Achour, L., Attar, A., Salfati, J., Pochart, P., Marteau, P., Flourie, B., Bornet, F., and Rambaud, J.C. (1999) Short-chain fructo-oligosaccharide administration dose-dependently increases fecal bifidobacteria in healthy humans. J. Nutr., 129, 113-116.
4. Campos, D., Betalleluz-Pallardel, I., Chirinos, R., Aguilar-Galvez, A., Noratto, G., and Pedreschi, R. (2012) Prebiotic effects of yacon (Smallanthus sonchifolius Poepp. & Endl.), a source of fructooligosaccharides and phenolic compounds with antioxidant activity. Food Chem., 135, 1592-1599.
5. Cohn, L., Elias, J.A., and Chupp, G.L. (2004) Asthma: mechanisms of disease persistence and progression. Annu. Rev. Immunol., 22, 789-815.