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Fisheries Science

, Volume 81, Issue 6, pp 1105–1111 | Cite as

Determination and characterization of vitamin B12 compounds in edible sea snails, ivory shell Babylonia japonica and turban shell Turdo Batillus cornutus

  • Fei Teng
  • Yuri Tanioka
  • Natsumi Hamaguchi
  • Tomohiro Bito
  • Shigeo Takenaka
  • Yukinori Yabuta
  • Fumio WatanabeEmail author
Original Article Chemistry and Biochemistry

Abstract

In this study, we characterized and quantified vitamin B12 compounds in popular edible snails Babylonia japonica and Turdo Batillus cornutus using a microbiological assay based on Lactobacillus delbrueckii subsp. lactis ATCC 7830. The meat and viscera of B. japonica contained 27.2 ± 9.1 and 92.8 ± 25.8 μg of vitamin B12 per 100 g, respectively. However, the meat and viscera of T. cornutus contained extremely low amounts of vitamin B12 (3.0 ± 1.5 and 15.1 ± 8.3 μg of vitamin B12 per 100 g, respectively). We identified the vitamin B12 compounds from the edible portions (meat and viscera) of B. japonica and T. cornutus using liquid chromatography–electrospray ionization/tandem mass spectrometry. We found that B. japonica contained substantial amounts of true vitamin B12, while pseudovitamin B12 was the predominant corrinoid in T. cornutus. These results indicate that the meat and viscera of B. japonica are excellent sources of vitamin B12 for humans.

Keywords

Edible sea snails Ivory shell Pseudovitamin B12 Turban shell Vitamin B12 

Notes

Acknowledgments

This work was supported by JSPS KAKENHI Grant number 25450168 (FW).

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Copyright information

© Japanese Society of Fisheries Science 2015

Authors and Affiliations

  • Fei Teng
    • 1
  • Yuri Tanioka
    • 2
  • Natsumi Hamaguchi
    • 3
  • Tomohiro Bito
    • 1
  • Shigeo Takenaka
    • 4
  • Yukinori Yabuta
    • 1
    • 3
  • Fumio Watanabe
    • 1
    • 3
    Email author
  1. 1.Division of Applied Bioresources Chemistry, United Graduate School of Agricultural SciencesTottori UniversityTottoriJapan
  2. 2.Department of NutritionJunior College of Tokyo University of AgricultureSetagayakuJapan
  3. 3.Department of Agricultural, Biological and Environmental Sciences, School of AgricultureTottori UniversityTottoriJapan
  4. 4.Department of Veterinary Science, Graduate School of Life and Environmental SciencesOsaka Prefecture UniversityOsakaJapan

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