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題 名 | Preparation of Moisture Absorptive Films for Food Packaging=食品包裝吸濕膜之製備 |
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作 者 | 劉佳玲; 蔣丙煌; | 書刊名 | 食品科學 |
卷 期 | 26:6 1999.12[民88.12] |
頁 次 | 頁529-538 |
分類號 | 463.7 |
關鍵詞 | 吸濕膜; 儲存期限; 海苔; 包裝; Packaging; Moisture absorptive film; Shelf life; Dried laver; |
語 文 | 英文(English) |
中文摘要 | 吸濕膜是由吸濕中層膜,聚乙烯內層膜及聚乙烯外層膜三種材料積層製備而來。研究中以尼龍6做為基質樹脂,並由12種吸溼材料中篩選出氯化鈣及聚壓克力酸 (鈉鹽),共同組成吸濕中層膜,並建立一數學模式以決定具不同吸濕速率及吸濕量之中層吸濕膜配方。在應用實驗方面,本研究將海苔用吸濕膜包裝,儲存在35℃、85%RH 環境下,結果發現包裝於吸濕膜的海苔較包裝於聚乙烯/聚乙烯包裝袋及含有乾燥劑小包的海苔更能保持品質,其儲存期限可達12天之久。 |
英文摘要 | Moisture absorptive film was prepared by laminating moisture absorptive center-layer film with a PE inner-layer film and a PE outer-layer film. Calcium chloride and polyacrylic acid (sodium salt), chosen from among 12 moisture absorptive materials, and Nylon 6 as the basic resin, were the components used to construct the center-layer of moisture absorptive film. Mathematical models were developed to determine the formulations that were needed to obtain the desired moisture absorptive capacity and rate of the films. Dried laver packed in moisture absorptive film and stored at 35℃ and 85% RH could retain good quality for at least 12 days, which was longer than the shelf life of the product packed in the PE/PE pouch containing a commercial water absorbent sachet. |
本系統中英文摘要資訊取自各篇刊載內容。