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Faecal pH, dietary fibre intake, and proneness to colon cancer in four South African populations.
Br J Cancer. 1986 Apr; 53(4):489-95.BJ

Abstract

In a series of South African populations, mean faecal pH values were found to be: rural and urban blacks, 6.12 and 6.15; Indians 6.21; coloureds (Eur-African-Malay), 6.29; these are significantly lower (p less than 0.01) than that of whites, 6.88. Apart from that of the coloureds, mean values for series of children and adults did not differ significantly. In the populations mentioned, corresponding mean dietary fibre intakes of children's mothers (or associates of mothers) were all relatively low, namely, roughly 25 g, 18 g, 20 g, 21 g, 23 g, respectively. Frequency of colon cancer (also other non-infective bowel diseases, e.g. appendicitis) is very low in rural and urban blacks, is low in Indians and coloureds, yet much higher in whites. Thus, in these different ethnic populations, rarity or low frequency of colon cancer is associated more with low faecal pH than with level of dietary fibre intake, suggesting that components additional to fibre have a role in determining the milieu intérieur of the bowel and its proneness to disease.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

3011051

Citation

Walker, A R., et al. "Faecal pH, Dietary Fibre Intake, and Proneness to Colon Cancer in Four South African Populations." British Journal of Cancer, vol. 53, no. 4, 1986, pp. 489-95.
Walker AR, Walker BF, Walker AJ. Faecal pH, dietary fibre intake, and proneness to colon cancer in four South African populations. Br J Cancer. 1986;53(4):489-95.
Walker, A. R., Walker, B. F., & Walker, A. J. (1986). Faecal pH, dietary fibre intake, and proneness to colon cancer in four South African populations. British Journal of Cancer, 53(4), 489-95.
Walker AR, Walker BF, Walker AJ. Faecal pH, Dietary Fibre Intake, and Proneness to Colon Cancer in Four South African Populations. Br J Cancer. 1986;53(4):489-95. PubMed PMID: 3011051.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Faecal pH, dietary fibre intake, and proneness to colon cancer in four South African populations. AU - Walker,A R, AU - Walker,B F, AU - Walker,A J, PY - 1986/4/1/pubmed PY - 1986/4/1/medline PY - 1986/4/1/entrez SP - 489 EP - 95 JF - British journal of cancer JO - Br J Cancer VL - 53 IS - 4 N2 - In a series of South African populations, mean faecal pH values were found to be: rural and urban blacks, 6.12 and 6.15; Indians 6.21; coloureds (Eur-African-Malay), 6.29; these are significantly lower (p less than 0.01) than that of whites, 6.88. Apart from that of the coloureds, mean values for series of children and adults did not differ significantly. In the populations mentioned, corresponding mean dietary fibre intakes of children's mothers (or associates of mothers) were all relatively low, namely, roughly 25 g, 18 g, 20 g, 21 g, 23 g, respectively. Frequency of colon cancer (also other non-infective bowel diseases, e.g. appendicitis) is very low in rural and urban blacks, is low in Indians and coloureds, yet much higher in whites. Thus, in these different ethnic populations, rarity or low frequency of colon cancer is associated more with low faecal pH than with level of dietary fibre intake, suggesting that components additional to fibre have a role in determining the milieu intérieur of the bowel and its proneness to disease. SN - 0007-0920 UR - https://www.unboundmedicine.com/medline/citation/3011051/Faecal_pH_dietary_fibre_intake_and_proneness_to_colon_cancer_in_four_South_African_populations_ L2 - https://doi.org/10.1038/bjc.1986.77 DB - PRIME DP - Unbound Medicine ER -