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Original Articles

Dietary and Lifestyle Correlates of Urinary Excretion Status of Equol in Japanese Women

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Pages 49-54 | Received 05 Apr 2007, Accepted 12 Jun 2007, Published online: 02 Jan 2008

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Alejandra Garcia-Alonso, Marta Sánchez-Paniagua López, C. Lorena Manzanares-Palenzuela, Araceli Redondo-Cuenca & Beatríz López-Ruíz. (2023) Edible plant by-products as source of polyphenols: prebiotic effect and analytical methods. Critical Reviews in Food Science and Nutrition 63:31, pages 10814-10835.
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Articles from other publishers (29)

Khin Zay Yar Myint, Remi Yoshikata & Junichi Taguchi. (2024) Comparison of the five different definitions of equol producers: The relationship between blood and urine equol concentrations and blood parameters in 466 healthy men and women. Clinica Chimica Acta 557, pages 117885.
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Remi Yoshikata, Khin Zay Yar Myint & Junichi Taguchi. (2024) Comparison of blood and urine concentrations of equol by LC‒MS/MS method and factors associated with equol production in 466 Japanese men and women. PLOS ONE 19:3, pages e0288946.
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Xiaoying Wang, Yuhao Ma, Xuejiao Wu, Baiyan Chen, Xiang Fang, Qingping Zhong, Zhenlin Liao, Jie Wang & Li Wang. (2023) The dietary intervention of synbiotic preparation promotes the bioconversion of soy isoflavones to equol and its metabolic mechanism. Journal of Functional Foods 109, pages 105784.
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Tomoko Fujitani, Zhaoqing Lyu, Mariko Harada Sassa & Kouji H. Harada. (2023) Association between urinary zinc excretion and isoflavone-metabolizing enterotypes among Japanese females: a cross-sectional study. Environmental Health and Preventive Medicine 28:0, pages 63-63.
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Akira Sekikawa, Whitney Wharton, Brittany Butts, Cole V. Veliky, Joshua Garfein, Jiatong Li, Shatabdi Goon, Annamaria Fort, Mengyi Li & Timothy M. Hughes. (2022) Potential Protective Mechanisms of S-equol, a Metabolite of Soy Isoflavone by the Gut Microbiome, on Cognitive Decline and Dementia. International Journal of Molecular Sciences 23:19, pages 11921.
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Tomoko Fujitani, Yukiko Fujii, Zhaoqing Lyu, Mariko Harada Sassa & Kouji H. Harada. (2021) Urinary equol levels are positively associated with urinary estradiol excretion in women. Scientific Reports 11:1.
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S. Mithul Aravind, Santad Wichienchot, Rong Tsao, S. Ramakrishnan & S. Chakkaravarthi. (2021) Role of dietary polyphenols on gut microbiota, their metabolites and health benefits. Food Research International 142, pages 110189.
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Henrique Silva. (2021) The Vascular Effects of Isolated Isoflavones—A Focus on the Determinants of Blood Pressure Regulation. Biology 10:1, pages 49.
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Chendi Cui, Rahel L Birru, Beth E Snitz, Masafumi Ihara, Chikage Kakuta, Brian J Lopresti, Howard J Aizenstein, Oscar L Lopez, Chester A Mathis, Yoshihiro Miyamoto, Lewis H Kuller & Akira Sekikawa. (2020) Effects of soy isoflavones on cognitive function: a systematic review and meta-analysis of randomized controlled trials. Nutrition Reviews 78:2, pages 134-144.
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Akira Sekikawa, Masafumi Ihara, Oscar Lopez, Chikage Kakuta, Brian Lopresti, Aya Higashiyama, Howard Aizenstein, Yue-Fang Chang, Chester Mathis, Yoshihiro Miyamoto, Lewis Kuller & Chendi Cui. (2019) Effect of S-equol and Soy Isoflavones on Heart and Brain. Current Cardiology Reviews 15:2, pages 114-135.
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Yuki Ideno, Kunihiko Hayashi, Junko Nakajima-Shimada, Yoko Onizuka, Mikiko Kishi, Tomomi Ueno & Shigeto Uchiyama. (2018) Optimal cut-off value for equol-producing status in women: The Japan Nurses’ Health Study urinary isoflavone concentration survey. PLOS ONE 13:7, pages e0201318.
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Kenneth D.R. Setchell. (2017) The history and basic science development of soy isoflavones. Menopause 24:12, pages 1338-1350.
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Keiko Wada, Tomomi Ueno, Shigeto Uchiyama, Yasuhiro Abiru, Michiko Tsuji, Kie Konishi, Fumi Mizuta, Yuko Goto, Takashi Tamura, Makoto Shiraki, Shinichi Iwasa & Chisato Nagata. (2016) Relationship of equol production between children aged 5–7 years and their mothers. European Journal of Nutrition 56:5, pages 1911-1917.
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Nancy King Reame. (2015) Equalizing equol for hot flash relief? Still more questions than answers. Menopause 22:5, pages 480-482.
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Shigeto Uchiyama. (2015) New Insights into “Equol”, a Novel Ingredient Derived from Soy. NIPPON SHOKUHIN KAGAKU KOGAKU KAISHI Nippon Shokuhin Kagaku Kogaku Kaishi 62:7, pages 356-363.
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Adrian A. Franke, Jennifer F. Lai & Brunhild M. Halm. (2014) Absorption, distribution, metabolism, and excretion of isoflavonoids after soy intake. Archives of Biochemistry and Biophysics 559, pages 24-28.
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Takeshi Usui. (2014) What Equol Can Do for Human Health?. The Korean Journal of Obesity 23:1, pages 1.
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Setchell Kenneth D. R.Brown Nadine M.Summer Suzanne, King Eileen C.Heubi James E.Cole Sidney, Guy Trish & Hokin Bevan. (2013) Dietary Factors Influence Production of the Soy Isoflavone Metabolite S-(-)Equol in Healthy Adults. The Journal of Nutrition 143:12, pages 1950-1958.
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Yuko Tousen, Mariko Uehara, Fumiko Abe, Yoshifumi Kimira & Yoshiko Ishimi. (2013) Effects of short-term fructooligosaccharide intake on equol production in Japanese postmenopausal women consuming soy isoflavone supplements: a pilot study. Nutrition Journal 12:1.
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Juan Manuel Sánchez-Calvo, Manuel Antonio Rodríguez-Iglesias, José M. G. Molinillo & Francisco A. Macías. (2013) Soy isoflavones and their relationship with microflora: beneficial effects on human health in equol producers. Phytochemistry Reviews 12:4, pages 979-1000.
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Wanyang Liu, Miyako Tanabe, Kouji H. Harada & Akio Koizumi. (2013) Levels of urinary isoflavones and lignan polyphenols in Japanese women. Environmental Health and Preventive Medicine 18:5, pages 394-400.
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Michael E. Rybak, Maya R. Sternberg & Christine M. Pfeiffer. (2013) Sociodemographic and Lifestyle Variables Are Compound- and Class-Specific Correlates of Urine Phytoestrogen Concentrations in the U.S. Population. The Journal of Nutrition 143:6, pages 986S-994S.
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A. Hozawa, Y. Sugawara, Y. Tomata, M. Kakizaki, T. Tsuboya, K. Ohmori-Matsuda, N. Nakaya, S. Kuriyama, A. Fukao & I. Tsuji. (2012) Relationship Between Serum Isoflavone Levels and Disability-Free Survival Among Community-Dwelling Elderly Individuals: Nested Case-Control Study of the Tsurugaya Project. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences 68:4, pages 465-472.
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Adrian A. Franke, Jennifer F. Lai, Ian Pagano, Yukiko Morimoto & Gertraud Maskarinec. (2011) Equol production changes over time in pre-menopausal women. British Journal of Nutrition 107:8, pages 1201-1206.
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Yuko Tousen, Fumiko Abe, Tatsuya Ishida, Mariko Uehara & Yoshiko Ishimi. (2011) Resistant starch promotes equol production and inhibits tibial bone loss in ovariectomized mice treated with daidzein. Metabolism 60:10, pages 1425-1432.
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T. Schilirò, I. Gorrasi, A. Longo, S. Coluccia & G. Gilli. (2011) Endocrine disrupting activity in fruits and vegetables evaluated with the E-screen assay in relation to pesticide residues. The Journal of Steroid Biochemistry and Molecular Biology 127:1-2, pages 139-146.
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Kenneth D.R. Setchell & Carlo Clerici. (2010) Equol: History, Chemistry, and Formation. The Journal of Nutrition 140:7, pages 1355S-1362S.
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Johanna W Lampe. (2009) Is equol the key to the efficacy of soy foods?. The American Journal of Clinical Nutrition 89:5, pages 1664S-1667S.
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Sie-Rong Li, Po-Yuan Chen, Liang-Yeu Chen, Yi-Fang Lo, Ian-Lih Tsai & Eng-Chi Wang. (2009) Synthesis of haginin E, equol, daidzein, and formononetin from resorcinol via an isoflavene intermediate. Tetrahedron Letters 50:18, pages 2121-2123.
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