Acta Nutrimenta Sinica 2004;0(06):-

STUDY ON THE EFFECT OF PORPHYRA POWDER ON THE FUNCTION OF DEFECATION

Haimin CHEN ; Qijun LUO ; Luqing PEI ; Long DI ; Jilin XU ; Xiaojun YAN

Keywords

porphyra powder; dietary fiber; defecation

Country

China

Language

Chinese

Abstract

Objective To study the effect of diet containing different proportions of porphyra powder on relieving constipation, volatile organic compounds and inhibiting intestinal E. coli. Method Mice were divided into 3 groups: blank group, 2 test groups. After the mice were allotted for different concentrations of porphyra powder diet for 30 d, the body weight of mice, water-holding capacity, the number and weight of feces within 24 h, the feces pH, E. coli counts and the first black defecating time were detected. The odorous compounds in feces were also measured by headspace solid phase microextraction coupled with GC-MS. Results Compared with the blank group, the water absorbed and number and weight of feces were significantly increased(P