Comparative research for the dietary pattern of patients with esophageal cancer at different developing stages and the daily intake of vitamin A, E and ?-carotene.

This paper discusses the different stages of normal esophageal's developing to esophageal cancer, and the difference among dietary patterns of patients with esophageal cancer and acceptable daily intake of vitamin A, E and beta carotene intake in diet. This paper takes advantage of food composition table, calculates the intake amount of dietary vitamin A, E and beta carotene in all kinds of food for patients with esophageal cancer, and analyzes the intake amount difference of dietary vitamin A, E and beta carotene in each kind of food for different groups of people. Research conclusions: the low content level of dietary vitamin A, E beta-carotene and low intake amount of beans, vegetables and fruit intake may increase the risk of esophageal cancer' occurring, while the relationship among dietary vitamin E, the occurrence and development of esophageal cancer needs further discussion.