Stimulation by Natural Rubber Serum Powder of the Growth of Bifidobacterium bifidum

Hirokazu Oiki, Kenji Sonomoto, Ayaaki Ishizaki

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4 Citations (Scopus)


Natural rubber serum powder (NRSP) was found to have a remarkable growth-stimulating effect on Bifidobacterium bifidum. We compared NRSP with conventional stimulators of the growth of this microorganism, and we found that NRSP had a similar growth-stimulating effect to that of casein, as well as a synergistic effect. However, the effects of the concentration of casein and of NRSP on the growth of B. bifidum were different. Ammonium sulfate, which is one of the major contaminants of NRSP, enhanced the growth of the test strain, acting as a nitrogen source, and the other active ingredients of NRSP had additive nutritional effects.

Original languageEnglish
Pages (from-to)271-277
Number of pages7
JournalJournal of the Faculty of Agriculture, Kyushu University
Issue number3-4
Publication statusPublished - 1996

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science


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