A newly developed snack effective for enhancing bone volume

doi:10.1186/1475-2891-8-30

Nutrition Journal

Volume 8

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Ohtani J
Hernandez RA
Sunagawa H
Fujita T
Kawata T
Kaku M
Motokawa M
Tsuka N
Koseki H
Matsuda Y
Hayashi H
Abedini S
Tanne K

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Ohtani J
Hernandez RA
Sunagawa H
Fujita T
Kawata T
Kaku M
Motokawa M
Tsuka N
Koseki H
Matsuda Y
Hayashi H
Abedini S
Tanne K
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Research

A newly developed snack effective for enhancing bone volume

Junji Ohtani , Rene Arturo Marquez Hernandez , Hiroko Sunagawa , Tadashi Fujita , Toshitsugu Kawata , Masato Kaku , Masahide Motokawa , Natsumi Tsuka , Hiroyuki Koseki , Yayoi Matsuda , Hidetaka Hayashi , Sara Abedini and Kazuo Tanne

Department of Orthodontics and Craniofacial Developmental Biology, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima-city, Hiroshima, Japan

author email corresponding author email

Nutrition Journal 2009, 8:30doi:10.1186/1475-2891-8-30


Published:	3 July 2009

Abstract

Background

The incidence of primary osteoporosis is higher in Japan than in USA and European countries. Recently, the importance of preventive medicine has been gradually recognized in the field of orthopaedic surgery with a concept that peak bone mass should be increased in childhood as much as possible for the prevention of osteoporosis. Under such background, we have developed a new bean snack with an aim to improve bone volume loss. In this study, we examined the effects of a newly developed snack on bone volume and density in osteoporosis model mice.

Methods

Orchiectomy (ORX) and ovariectomy (OVX) were performed for C57BL/6J mice of twelve-week-old (Jackson Laboratory, Bar Harbar, ME, USA) were used in this experiment. We prepared and given three types of powder diet e.g.: normal calcium diet (NCD, Ca: 0.9%, Clea Japan Co., Tokyo, Japan), low calcium diet (LCD, Ca: 0.63%, Clea Japan Co.,) and special diet (SCD, Ca: 0.9%). Eighteen weeks after surgery, all the animals were sacrified and prepared for histomorphometric analysis to quantify bone density and bone mineral content.

Results

As a result of histomorphometric examination, SCD was revealed to enhance bone volume irrespective of age and sex. The bone density was increased significantly in osteoporosis model mice fed the newly developmental snack as compared with the control mice. The bone mineral content was also enhanced significantly. These phenomena were revealed in both sexes.

Conclusion

It is shown that the newly developed bean snack is highly effective for the improvement of bone volume loss irrespective of sex. We demonstrated that newly developmental snack supplements may be a useful preventive measure for Japanese whose bone mineral density values are less than the ideal condition.