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Development of an Amino Acid Composition Database and Estimation of Amino Acid Intake in Japanese Adults

胺基酸成分資料庫的發展與日本成人胺基酸攝取量評估

摘要


研究個人日常胺基酸攝取與各種健康結果的相關性,一個詳盡的胺基酸成分資料庫是必備的。日本人經常攝取的食物,其胺基酸含量數據不足,以至於評估每日胺基酸攝取量有困難。此研究的目的為發展一個應用於流行病學研究的胺基酸資料庫,並以此評估日本族群的胺基酸攝取量。胺基酸數值來自已經發表的食物成分表;當缺乏現成的數據時,則使用已建立的標準,以插補的方式估算數據。共計1100個食物項目有適當的數據可使用。採用16天的飲食記錄並使用目的導向發展的胺基酸成分表,以評估居住在日本4個區域的族群(121名女性及109名男性,年齡介於30-69歲),其胺基酸攝取量。所有對象的9項必需胺基酸攝取量符合WHO/FAO/UNU報告的平均需求量。膳食胺基酸攝取主要的來源為穀類、魚貝類及肉類,占了近60%的總攝取。這個資料庫涵蓋日本經常攝取的食物項目之胺基酸數值,在流行病學研究的運用上為有價值的工具。

並列摘要


Investigations of the association between an individual's habitual amino acid intake and several types of health outcome require a comprehensive amino acid composition database. The lack of a database of the amino acid content of foods routinely consumed makes estimating daily amino acid intake difficult. The aim of this study was to develop an amino acid database for use in epidemiological studies, and to estimate amino acid intake among a Japanese population. Data were obtained from published food composition data, and when published data were unavailable, calculated data were imputed using established criteria. Adequate data were available for 1100 food items. Using a purpose-developed amino acid composition table, we estimated amino acid intake among a Japanese population (121 women and 109 men aged 30 to 69 years) living in four areas in Japan using a 16-day diet record. All subjects met the estimated average requirements of the nine indispensable amino acids as reported by WHO/FAO/UNU. The major contributors to dietary amino acid intake were cereals, fish and shellfish, and meats, which accounted for approximately 60% of total intake. This database contains amino acid values of foods items frequently consumed in Japan, and represents a valuable tool for use in epidemiological studies.

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