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急。。求幫忙翻譯這幾句英文
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Application of chitosan-incorporated LDPE film to sliced fresh red meats for shelf life extension Chitosan lactate was impregnated as an antimicrobial additive into low density polyethylene (LDPE) withdifferent concentrations. Also, these chitosan incorpo-rated films were applied on red meat surfaces to determine the effectiveness of chitosan on color shelf life extension and microbial growth inhibition. Chitosan was exposed to 0.1% peptone water containing the three pathogens in separate tests and inhibited microbial growth a higher levels with increasing con-centration of chitosan in the film matrix. Oxygen permeability was not affected by the incorporation ofchitosan, while the water vapor permeability increased with the addition of chitosan. Film elongationdecreased with the addition of chitosan. When chitosan incorporated films were applied on fresh redmeat, microorganisms on the meat surface were not inhibited but significant extension of red color shelflife were observed in refrigerated, sliced red meats. |
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【答案】應(yīng)助回帖
sltmac(金幣+2): 2012-02-12 14:42:30
286792125(金幣+5, 翻譯EPI+1): 2012-02-16 15:39:58
sltmac(金幣+5): 2012-02-19 14:05:20
286792125(金幣+5, 翻譯EPI+1): 2012-02-16 15:39:58
sltmac(金幣+5): 2012-02-19 14:05:20
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甲殼胺改性低密度聚乙烯薄膜在存放新鮮紅肉片貨架上的應(yīng)用 延長使用壽命 甲殼胺乳酸通過不同濃度的抗菌添加劑浸漬后再改性低密度聚乙烯殼聚糖乳酸浸漬成低密度聚乙烯（LDPE）與不同濃度的抗菌添加劑。此外，這些甲殼胺摻入限制級可適用于食用紅肉表面聚乙烯薄膜，這些殼聚糖具有延長有色貨架壽命和抑制微生物生長的效果。殼聚糖暴露于含有三種病原體的0.1%蛋白胨水中進(jìn)行單獨測試，實驗表明它可以抑制微生物的生長，提高薄膜基體中甲殼胺的濃度可以獲得更好的抑制效果。 殼聚糖的納入并沒有影響透氧，而甲殼胺使得透濕效果額外增強。 甲殼胺除了薄膜伸長率下降外。在冷藏紅肉切片觀察中發(fā)現(xiàn)，使用甲殼胺改性薄膜的初期，肉表面上的微生物沒有抑制作用，但紅顏色保持時間顯著延長。 僅供參考。  |
2樓2012-02-09 16:39:07
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