Dietary polyphenols and colorectal cancer risk: The Fukuoka colorectal cancer study

Zhen Jie Wang, Ohnaka Keizo, Makiko Morita, Kengo Toyomura, Suminori Kono, Takashi Ueki, Masao Tanaka, Yoshihiro Kakeji, Yoshihiko Maehara, Takeshi Okamura, Koji Ikejiri, Kitaroh Futami, Takafumi Maekawa, Yohichi Yasunami, Kenji Takenaka, Hitoshi Ichimiya, Reiji Terasaka

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Abstract

AIM: To investigate the associations between dietary intake of polyphenols and colorectal cancer. METHODS: The study subjects were derived from the Fukuoka colorectal cancer study, a community-based case-control study. The study subjects were 816 cases of colorectal cancer and 815 community-based controls. The consumption of 148 food items was assessed by a computer-assisted interview. We used the consumption of 97 food items to estimate dietary intakes of total, tea and coffee polyphenols. The Phenol-Explorer database was used for 92 food items. Of the 5 foods which were not listed in the Phenol-Explorer Database, polyphenol contents of 3 foods (sweet potatoes, satoimo and daikon) were based on a Japanese study and 2 foods (soybeans and fried potatoes) were estimated by ORAC-based polyphenol contents in the United States Department of Agriculture Database. Odds ratios (OR) and 95%CI of colorectal cancer risk according to quintile categories of intake were obtained by using logistic regression models with adjustment for age, sex, residential area, parental history of colorectal cancer, smoking, alcohol consumption, body mass index 10 years before, type of job, leisure-time physical activity and dietary intakes of calcium and n-3 polyunsaturated fatty acids. RESULTS: There was no measurable difference in total or tea polyphenol intake between cases and controls, but intake of coffee polyphenols was lower in cases than in controls. The multivariate-adjusted OR of colorectal cancer according to quintile categories of coffee polyphenols (from the frst to top quintile) were 1.00 (referent), 0.81 (95%CI: 0.60-1.10), 0.65 (95%CI: 0.47-0.89), 0.65 (95%CI: 0.46-0.89) and 0.82 (95%CI: 0.60-1.10), respectively (Ptrend = 0.07). Similar, but less pronounced, decreases in the OR were also noted for the third and fourth quintiles of total polyphenol intake. Tea polyphenols and non-coffee polyphenols showed no association with colorectal cancer risk. The site-specific analysis, based on 463 colon cancer cases and 340 rectal cancer cases, showed an inverse association between coffee polyphenols and colon cancer. The multivariate-adjusted OR of colon cancer for the first to top quintiles of coffee polyphenols were 1.00 (referent), 0.92 (95%CI: 0.64-1.31), 0.75 (95%CI: 0.52-1.08), 0.69 (95%CI: 0.47-1.01), and 0.68 (95%CI: 0.46-1.00), respectively (Ptrend = 0.02). Distal colon cancer showed a more evident inverse association with coffee poly-phenols than proximal colon cancer. The association between coffee polyphenols and rectal cancer risk was U-shaped, with significant decreases in the OR at the second to fourth quintile categories. There was also a tendency that the OR of colon and rectal cancer decreased in the intermediate categories of total polyphenols. The decrease in the OR in the intermediate categories of total polyphenols was most pronounced for distal colon cancer. Intake of tea polyphenols was not associated with either colon or rectal cancer. The associations of coffee consumption with colorectal, colon and rectal cancers were almost the same as observed for coffee polyphenols. The trend of the association between coffee consumption and colorectal cancer was statistically significant. CONCLUSION: The present findings suggest a decreased risk of colorectal cancer associated with coffee consumption.

Original languageEnglish
Pages (from-to)2683-2690
Number of pages8
JournalWorld Journal of Gastroenterology
Volume19
Issue number17
DOIs
Publication statusPublished - May 7 2013

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Polyphenols
Colorectal Neoplasms
Coffee
Colonic Neoplasms
Odds Ratio
Rectal Neoplasms
Tea
Food
Databases
Phenol
Logistic Models
Ipomoea batatas
Dietary Calcium
United States Department of Agriculture
Phenols
Leisure Activities
Omega-3 Fatty Acids
Solanum tuberosum
Soybeans
Alcohol Drinking

All Science Journal Classification (ASJC) codes

  • Gastroenterology

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Dietary polyphenols and colorectal cancer risk : The Fukuoka colorectal cancer study. / Wang, Zhen Jie; Keizo, Ohnaka; Morita, Makiko; Toyomura, Kengo; Kono, Suminori; Ueki, Takashi; Tanaka, Masao; Kakeji, Yoshihiro; Maehara, Yoshihiko; Okamura, Takeshi; Ikejiri, Koji; Futami, Kitaroh; Maekawa, Takafumi; Yasunami, Yohichi; Takenaka, Kenji; Ichimiya, Hitoshi; Terasaka, Reiji.

In: World Journal of Gastroenterology, Vol. 19, No. 17, 07.05.2013, p. 2683-2690.

Research output: Contribution to journalArticle

Wang, ZJ, Keizo, O, Morita, M, Toyomura, K, Kono, S, Ueki, T, Tanaka, M, Kakeji, Y, Maehara, Y, Okamura, T, Ikejiri, K, Futami, K, Maekawa, T, Yasunami, Y, Takenaka, K, Ichimiya, H & Terasaka, R 2013, 'Dietary polyphenols and colorectal cancer risk: The Fukuoka colorectal cancer study', World Journal of Gastroenterology, vol. 19, no. 17, pp. 2683-2690. https://doi.org/10.3748/wjg.v19.i17.2683
Wang, Zhen Jie ; Keizo, Ohnaka ; Morita, Makiko ; Toyomura, Kengo ; Kono, Suminori ; Ueki, Takashi ; Tanaka, Masao ; Kakeji, Yoshihiro ; Maehara, Yoshihiko ; Okamura, Takeshi ; Ikejiri, Koji ; Futami, Kitaroh ; Maekawa, Takafumi ; Yasunami, Yohichi ; Takenaka, Kenji ; Ichimiya, Hitoshi ; Terasaka, Reiji. / Dietary polyphenols and colorectal cancer risk : The Fukuoka colorectal cancer study. In: World Journal of Gastroenterology. 2013 ; Vol. 19, No. 17. pp. 2683-2690.
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title = "Dietary polyphenols and colorectal cancer risk: The Fukuoka colorectal cancer study",
abstract = "AIM: To investigate the associations between dietary intake of polyphenols and colorectal cancer. METHODS: The study subjects were derived from the Fukuoka colorectal cancer study, a community-based case-control study. The study subjects were 816 cases of colorectal cancer and 815 community-based controls. The consumption of 148 food items was assessed by a computer-assisted interview. We used the consumption of 97 food items to estimate dietary intakes of total, tea and coffee polyphenols. The Phenol-Explorer database was used for 92 food items. Of the 5 foods which were not listed in the Phenol-Explorer Database, polyphenol contents of 3 foods (sweet potatoes, satoimo and daikon) were based on a Japanese study and 2 foods (soybeans and fried potatoes) were estimated by ORAC-based polyphenol contents in the United States Department of Agriculture Database. Odds ratios (OR) and 95{\%}CI of colorectal cancer risk according to quintile categories of intake were obtained by using logistic regression models with adjustment for age, sex, residential area, parental history of colorectal cancer, smoking, alcohol consumption, body mass index 10 years before, type of job, leisure-time physical activity and dietary intakes of calcium and n-3 polyunsaturated fatty acids. RESULTS: There was no measurable difference in total or tea polyphenol intake between cases and controls, but intake of coffee polyphenols was lower in cases than in controls. The multivariate-adjusted OR of colorectal cancer according to quintile categories of coffee polyphenols (from the frst to top quintile) were 1.00 (referent), 0.81 (95{\%}CI: 0.60-1.10), 0.65 (95{\%}CI: 0.47-0.89), 0.65 (95{\%}CI: 0.46-0.89) and 0.82 (95{\%}CI: 0.60-1.10), respectively (Ptrend = 0.07). Similar, but less pronounced, decreases in the OR were also noted for the third and fourth quintiles of total polyphenol intake. Tea polyphenols and non-coffee polyphenols showed no association with colorectal cancer risk. The site-specific analysis, based on 463 colon cancer cases and 340 rectal cancer cases, showed an inverse association between coffee polyphenols and colon cancer. The multivariate-adjusted OR of colon cancer for the first to top quintiles of coffee polyphenols were 1.00 (referent), 0.92 (95{\%}CI: 0.64-1.31), 0.75 (95{\%}CI: 0.52-1.08), 0.69 (95{\%}CI: 0.47-1.01), and 0.68 (95{\%}CI: 0.46-1.00), respectively (Ptrend = 0.02). Distal colon cancer showed a more evident inverse association with coffee poly-phenols than proximal colon cancer. The association between coffee polyphenols and rectal cancer risk was U-shaped, with significant decreases in the OR at the second to fourth quintile categories. There was also a tendency that the OR of colon and rectal cancer decreased in the intermediate categories of total polyphenols. The decrease in the OR in the intermediate categories of total polyphenols was most pronounced for distal colon cancer. Intake of tea polyphenols was not associated with either colon or rectal cancer. The associations of coffee consumption with colorectal, colon and rectal cancers were almost the same as observed for coffee polyphenols. The trend of the association between coffee consumption and colorectal cancer was statistically significant. CONCLUSION: The present findings suggest a decreased risk of colorectal cancer associated with coffee consumption.",
author = "Wang, {Zhen Jie} and Ohnaka Keizo and Makiko Morita and Kengo Toyomura and Suminori Kono and Takashi Ueki and Masao Tanaka and Yoshihiro Kakeji and Yoshihiko Maehara and Takeshi Okamura and Koji Ikejiri and Kitaroh Futami and Takafumi Maekawa and Yohichi Yasunami and Kenji Takenaka and Hitoshi Ichimiya and Reiji Terasaka",
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TY - JOUR

T1 - Dietary polyphenols and colorectal cancer risk

T2 - The Fukuoka colorectal cancer study

AU - Wang, Zhen Jie

AU - Keizo, Ohnaka

AU - Morita, Makiko

AU - Toyomura, Kengo

AU - Kono, Suminori

AU - Ueki, Takashi

AU - Tanaka, Masao

AU - Kakeji, Yoshihiro

AU - Maehara, Yoshihiko

AU - Okamura, Takeshi

AU - Ikejiri, Koji

AU - Futami, Kitaroh

AU - Maekawa, Takafumi

AU - Yasunami, Yohichi

AU - Takenaka, Kenji

AU - Ichimiya, Hitoshi

AU - Terasaka, Reiji

PY - 2013/5/7

Y1 - 2013/5/7

N2 - AIM: To investigate the associations between dietary intake of polyphenols and colorectal cancer. METHODS: The study subjects were derived from the Fukuoka colorectal cancer study, a community-based case-control study. The study subjects were 816 cases of colorectal cancer and 815 community-based controls. The consumption of 148 food items was assessed by a computer-assisted interview. We used the consumption of 97 food items to estimate dietary intakes of total, tea and coffee polyphenols. The Phenol-Explorer database was used for 92 food items. Of the 5 foods which were not listed in the Phenol-Explorer Database, polyphenol contents of 3 foods (sweet potatoes, satoimo and daikon) were based on a Japanese study and 2 foods (soybeans and fried potatoes) were estimated by ORAC-based polyphenol contents in the United States Department of Agriculture Database. Odds ratios (OR) and 95%CI of colorectal cancer risk according to quintile categories of intake were obtained by using logistic regression models with adjustment for age, sex, residential area, parental history of colorectal cancer, smoking, alcohol consumption, body mass index 10 years before, type of job, leisure-time physical activity and dietary intakes of calcium and n-3 polyunsaturated fatty acids. RESULTS: There was no measurable difference in total or tea polyphenol intake between cases and controls, but intake of coffee polyphenols was lower in cases than in controls. The multivariate-adjusted OR of colorectal cancer according to quintile categories of coffee polyphenols (from the frst to top quintile) were 1.00 (referent), 0.81 (95%CI: 0.60-1.10), 0.65 (95%CI: 0.47-0.89), 0.65 (95%CI: 0.46-0.89) and 0.82 (95%CI: 0.60-1.10), respectively (Ptrend = 0.07). Similar, but less pronounced, decreases in the OR were also noted for the third and fourth quintiles of total polyphenol intake. Tea polyphenols and non-coffee polyphenols showed no association with colorectal cancer risk. The site-specific analysis, based on 463 colon cancer cases and 340 rectal cancer cases, showed an inverse association between coffee polyphenols and colon cancer. The multivariate-adjusted OR of colon cancer for the first to top quintiles of coffee polyphenols were 1.00 (referent), 0.92 (95%CI: 0.64-1.31), 0.75 (95%CI: 0.52-1.08), 0.69 (95%CI: 0.47-1.01), and 0.68 (95%CI: 0.46-1.00), respectively (Ptrend = 0.02). Distal colon cancer showed a more evident inverse association with coffee poly-phenols than proximal colon cancer. The association between coffee polyphenols and rectal cancer risk was U-shaped, with significant decreases in the OR at the second to fourth quintile categories. There was also a tendency that the OR of colon and rectal cancer decreased in the intermediate categories of total polyphenols. The decrease in the OR in the intermediate categories of total polyphenols was most pronounced for distal colon cancer. Intake of tea polyphenols was not associated with either colon or rectal cancer. The associations of coffee consumption with colorectal, colon and rectal cancers were almost the same as observed for coffee polyphenols. The trend of the association between coffee consumption and colorectal cancer was statistically significant. CONCLUSION: The present findings suggest a decreased risk of colorectal cancer associated with coffee consumption.

AB - AIM: To investigate the associations between dietary intake of polyphenols and colorectal cancer. METHODS: The study subjects were derived from the Fukuoka colorectal cancer study, a community-based case-control study. The study subjects were 816 cases of colorectal cancer and 815 community-based controls. The consumption of 148 food items was assessed by a computer-assisted interview. We used the consumption of 97 food items to estimate dietary intakes of total, tea and coffee polyphenols. The Phenol-Explorer database was used for 92 food items. Of the 5 foods which were not listed in the Phenol-Explorer Database, polyphenol contents of 3 foods (sweet potatoes, satoimo and daikon) were based on a Japanese study and 2 foods (soybeans and fried potatoes) were estimated by ORAC-based polyphenol contents in the United States Department of Agriculture Database. Odds ratios (OR) and 95%CI of colorectal cancer risk according to quintile categories of intake were obtained by using logistic regression models with adjustment for age, sex, residential area, parental history of colorectal cancer, smoking, alcohol consumption, body mass index 10 years before, type of job, leisure-time physical activity and dietary intakes of calcium and n-3 polyunsaturated fatty acids. RESULTS: There was no measurable difference in total or tea polyphenol intake between cases and controls, but intake of coffee polyphenols was lower in cases than in controls. The multivariate-adjusted OR of colorectal cancer according to quintile categories of coffee polyphenols (from the frst to top quintile) were 1.00 (referent), 0.81 (95%CI: 0.60-1.10), 0.65 (95%CI: 0.47-0.89), 0.65 (95%CI: 0.46-0.89) and 0.82 (95%CI: 0.60-1.10), respectively (Ptrend = 0.07). Similar, but less pronounced, decreases in the OR were also noted for the third and fourth quintiles of total polyphenol intake. Tea polyphenols and non-coffee polyphenols showed no association with colorectal cancer risk. The site-specific analysis, based on 463 colon cancer cases and 340 rectal cancer cases, showed an inverse association between coffee polyphenols and colon cancer. The multivariate-adjusted OR of colon cancer for the first to top quintiles of coffee polyphenols were 1.00 (referent), 0.92 (95%CI: 0.64-1.31), 0.75 (95%CI: 0.52-1.08), 0.69 (95%CI: 0.47-1.01), and 0.68 (95%CI: 0.46-1.00), respectively (Ptrend = 0.02). Distal colon cancer showed a more evident inverse association with coffee poly-phenols than proximal colon cancer. The association between coffee polyphenols and rectal cancer risk was U-shaped, with significant decreases in the OR at the second to fourth quintile categories. There was also a tendency that the OR of colon and rectal cancer decreased in the intermediate categories of total polyphenols. The decrease in the OR in the intermediate categories of total polyphenols was most pronounced for distal colon cancer. Intake of tea polyphenols was not associated with either colon or rectal cancer. The associations of coffee consumption with colorectal, colon and rectal cancers were almost the same as observed for coffee polyphenols. The trend of the association between coffee consumption and colorectal cancer was statistically significant. CONCLUSION: The present findings suggest a decreased risk of colorectal cancer associated with coffee consumption.

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