The effects of food intake restriction that is not in coordination with circadian rhythms on reproductive functions in young women
| Project/Area Number |
21500813
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Eating habits, studies on eating habits
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| Research Institution | Ashiya College |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
NAKATA Rieko 奈良女子大学, 生活環境学部, 講師 (90198119)
FUJIWARA Hiroshi 京都大学, 医学研究科, 准教授 (30252456)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | 女子大学生 / 婦人科疾患 / 食習慣 / ラット実験モデル / 食育プログラム |
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| Research Abstract |
On the basis of the novel concept that diet habits in young women during the adolescence influence the subsequent quality of life(QOL) of women of the reproductive ages, in this study, we conducted the questionnaire survey concerning the daily dietary habits, the self-recognition of body stature, dieting practice and general conditions from female college students of 18-20 years old in order to elicit significant dietary habit factors that affect reproductive functions. In addition, we examined dietary habits more precisely by food nutritional analysis. Furthermore, using young adult female rat experiments, we investigated the relationship between the timing of food intake restriction and estrous cycle to know the effects of dietary habits on the reproductive functions.
The questionnaire survey confirmed that breakfast skipping is one of the important factors that adversely affect reproductive functions in young women and showed the possibility that nocturnal life style is associated with breakfast skipping. Food nutritional analysis showed that students with breakfast skipping did not supplement themselves with food energy, suggesting that breakfast is one of the reasons for lack of calories take in. In addition, animal experiments showed that greater impairment of the estrus cycle in young female rats that were starved during the day, i. e., the daytime(non-active phase) than those that were starved at night(active phase).
From these results, we proposed a new hypothesis that the timing of food consumption in daily life is an important issue that affects reproductive function in the young. These findings will contribute to establishing a new dietary education program to reduce the adverse effects of diets on reproductive functions in young women.
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Report
(4 results)
Research Products
(31 results)
