Bifidobacterium may affect in vitro metabolism of daidzein by faecal flora from mice and a human male equol producer

Microbial Ecology in Health and Disease

Volumn 18, Issue 1, 2006, Pages 42-46

  Tamura, Motoi ^a   Saitoh, Hiroyuki ^b   Tsushida, Tojiro ^a   Shinohara, Kazuki ^a  

^a NATIONAL FOOD RESEARCH INSTITUTE   (Japan)

^b FUKUOKA INDUSTRIAL TECHNOLOGY CENTER   (Japan)

Author keywords

Bifidobacteria; Daidzein; Equol; Faecal flora

Indexed keywords

DAIDZEIN; DNA 16S; EQUOL;

ANIMAL EXPERIMENT; ARTICLE; BACTERIAL METABOLISM; BACTERIAL STRAIN; BACTERIUM IDENTIFICATION; BACTERIUM ISOLATION; BIFIDOBACTERIUM; BIFIDOBACTERIUM PSEUDOCATENULATUM; CONCENTRATION (PARAMETERS); CONTROLLED STUDY; DNA SEQUENCE; FECES MICROFLORA; HUMAN; IN VITRO STUDY; INFANT; INTESTINE FLORA; MALE; MOUSE; NONHUMAN; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; SEQUENCE HOMOLOGY; STRAIN IDENTIFICATION; SUPPLEMENTATION; SUSPENSION;

BACTERIA (MICROORGANISMS); BIFIDOBACTERIUM; BIFIDOBACTERIUM PSEUDOCATENULATUM;

EID: 33745864852     PISSN: 0891060X     EISSN: 16512235     Source Type: Journal    
DOI: 10.1080/08910600600761257     Document Type: Article

References (18)

1. Setchell KD, Borriello SP, Hulme P, Kirk DN, Axelson M. Nonsteroidal estrogens of dietary origin: possible roles in hormone-dependent disease. Am J Clin Nutr. 1984;40:569-78.
2. Lampe JW, Karr SC, Hutchins AM, Slavin JL. Urinary equol excretion with a soy challenge: influence of habitual diet. Proc Soc Exp Biol Med. 1998;217:335-9.
3. Shutt DA, Cox RI. Steroid and phyto-oestrogen binding to sheep uterine receptors in vitro. J Endocrinol. 1972;52:299-310.
4. Akaza H, Miyanaga N, Takashima N, Naito S, Hirao Y, Tsukamoto T, Mori M. Is daidzein non-metabolizer a high risk for prostate cancer? A case-controlled study of serum soybean isoflavone concentration. Jpn J Clin Oncol. 2002;32:296-300.
5. Mitchell JH, Gardner PT, McPhail DB, Morrice PC, Collins AR, Duthie GG. Antioxidant efficacy of phytoestrogens in chemical and biological model systems. Arch Biochem Biophys. 1998;360:142-8.
6. Vedavanam K, Srijayanta S, O'Reilly J, Raman A, Wiseman H. Antioxidant action and potential antidiabetic properties of an isoflavonoid-containing soyabean phytochemical extract (SPE). Phytother Res. 1999;13:601-8.
7. Reeves PG, Nielsen FH, Fahey GC Jr. AIN-93 purified diets for laboratory rodents: final report of the American Institute of Nutrition ad hoc writing committee on the reformulation of the AIN-76A rodent diet. J Nutr. 1993;123:1939-51.
8. Shinoda Y, Kato N. Phylogenetic analysis of a bacterium by sequencing its 16S ribosomal RNA gene. Shimadzu Rev 2000;57:121-32 (in Japanese).
9. Altschul SF, Gish W, Miller W, Myers EW, Lipman DJ. Basic local alignment search tool. J Mol Biol. 1990;215:403-10.
10. Bowey E, Adlerceutz H, Rowland I. Metabolism of isoflavones and lignans by the gut microflora: a study in germ-free and human flora associated rats. Food Chem Toxicol. 2003;41:631-6.
11. Blair RM, Appt SE, Franke AA, Clarkson TB. Treatment with antibiotics reduces plasma equol concentration in cynomolgus monkeys (Macaca fascicularis). J Nutr. 2003;133:2262-7.
12. Atkinson C, Berman S, Humbert O, Lampe JW. In vitro incubation of human feces with daidzein and antibiotics suggests interindividual differences in the bacteria responsible for equol production. J Nutr. 2004;134:596-9.
13. Hur HG, Lay JO Jr, Berger RD, Freeman JP, Rafii F. Isolation of human intestinal bacteria metabolizing the natural isoflavone glycosides daidzin and genistin. Arch Microbiol. 2000;174:422-8.
14. Wang XL, Hur HG, Lee JH, Kim KT, Kim SI. Enantioselective synthesis of S-equol from dihydrodaidzein by a newly isolated anaerobic human intestinal bacterium. Appl Environ Microbiol. 2005;71:214-9.
15. Tamura M, Hirayama K, Itoh K, Suzuki H, Shinohara K. Effects of rice starch-isoflavone diet or potato starch-isoflavone diet on plasma isoflavone, plasma lipids, cecal enzyme activity, and composition of fecal microflora in adult mice. J Nutr Sci Vitaminol. 2002;48:225-9.
16. Ohta A, Uehara M, Sakai K, Takasaki M, Adlercreutz H, Morohashi T, et al. A combination of dietary fructooligosaccharides and isoflavone conjugates increases femoral bone mineral density and equol production in ovariectomized mice. J Nutr. 2002;132:2048-54.
17. Gibson GR, Beatty EB, Wang X, Cummings JH. Selective stimulation of bifidobacteria in the human colon by oligofructose and inulin. Gastroenterology. 1995;108:975-82.
18. Rowland IR, Wiseman H, Sanders TA, Adlercreutz H, Bowey EA. Interindividual variation in metabolism of soy isoflavones and lignans: influence of habitual diet on equol production by the gut microflora. Nutr Cancer. 2000;36:27-32.