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題 名 | 炸油飲食降低血漿與肝臟維生素A含量=Dietary Oxidized Frying Oil Decreased Plasma and Liver Vitamin A in Rats |
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作 者 | 湯雅理; 黃青真; | 書刊名 | 中華民國營養學會雜誌 |
卷 期 | 23:3 1998.08[民87.08] |
頁 次 | 頁265-279 |
分類號 | 411.38 |
關鍵詞 | 氧化炸油; 維生素A; 視網醇; Oxidized frying oil; Vitamin A; Retinol; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以老鼠為實驗模式,探討飲食攝入氧化炸油對維生素A營養狀況之影響。離乳之Long-Evans雄鼠逢機分成三組:D50及D500組餵食含15%炸油之飼料,F50 組餵食含 15% 新鮮油之飼料為對照組。D50及F50組之飼料中含50 mg/kg diet之all-rac- α-tocopheryl acetate,D500則含500mg/kg。三種飼料之維生素A均由4,000 IU/kg diet之視網醇棕櫚酸酯供應。飼養14週後,D50與D500組老鼠肝中總視網醇量約只及F50組之半(P<0.05);D50組與D500組間沒有顯著差別。D50與D500組之血漿視網醇值均顯著低於F50 組(P<0.05)。顯示攝食含15%炸油之飲食,顯著降低了血漿與肝中視網醇含量,劣化了維生素A營養狀況。由於D500組血漿與肝中α-生育醇量均與F50組相當或顯著較高,可知膳食中炸油干擾維生素A營養狀況並非間接來自於其對維生素E狀況之劣化效應。 |
英文摘要 | The purpose of this study is to investigate the effect of oxidized frying oil on the vitamin A status. Three groups of Long-Evans male weanling rats were respectivtly fed F50, D50 and D500 diets. The D50 and D500 diets contained 15%(w/w) of oxidized frying oil whereas the F50 control diet contained 15%(w/w) fresh soybean oil. The F50 and D50 diets had normal vitamin E level (50 mg/kg diet of α-tocopheryl acetate) while the D500 diet was supplemented with high level of vitamin E (500mg/kg diet). The vitamin A of all three diets was supplied by 4000 IU/kg diet of retinyl palmitate. After 14 weeks of feeding, the D50 and D500 groups of rats showed vitamin A status inferior to the F50 group. The liver total retinol concentration of the D50 and D500 groups was about half of those of the control (F50) group (P<0.05). The plasma retinol concentration of the D50 and D500 groups was also significantly lower than that of the F50 group (P<0.05). The results indicated that vitamin A status was aggravated by feeding an oxidized oil containing diet. As the D500 group was affected similarly to the D50 group, the effect can not be a attributed indirectly to the deteriorated vitamin E status resulting from the ingestion of dietary oxidized oil. |
本系統中英文摘要資訊取自各篇刊載內容。