'alimentary and sanitary products came increasingly to be marketed as scientific. Advertisements promised that the acquisition of manufactured goodswould allow home-keepers and carers of children to ameliorate the “natural” inadequacies of their bodies and ensure the biological purity of their living environments. [note: 'Gabriella M. Petrick, “‘Purity as Life’: H. J. Heinz, Religious Sentiment, and the Beginning of theIndustrial Diet,” in “Food, Technology, and Trust,” special issue, History and Technology 27, no. 1 (March 2011): 37–64; Nancy Tomes, The Gospel of Germs: Men, Women and the Microbe in American Life (Cambridge, MA, 1998), chap. 6.']' (291)