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生物工程專業(yè)外文文獻翻譯畢業(yè)論文(參考版)

2024-12-05 17:03本頁面
  

【正文】 用一株紅曲霉應用于黃漿水酯化,使黃漿水中的總酯含量增加,己酸乙酯亦有增加 莊名揚等用紅曲酯化酶產(chǎn)生菌制作的粗酶制劑以黃水尾酒及次品酒作底物,用酶酯化的酯化液串蒸酒醅,己酸乙酯含量提高在一倍以上,串蒸 發(fā)酵酒醅達到 發(fā)酵酒醅未串蒸效果 但許多中小型釀酒企業(yè)的黃水卻沒有得到 很好的利用,降低了經(jīng)濟效益,同時如果自然排放的話,還可能造成環(huán)境污染深入對這方面的研究,充分提取有益微量成分,適量地用于白酒的勾兌和調(diào)味,不僅可減少直接排放給環(huán)境造成了污染,而且可以提高基酒質(zhì)量,使黃漿水變廢為寶用酯化酶處理黃漿水產(chǎn)生酯化液,將經(jīng)沉淀過濾及脫色等處理后的黃漿水酯化液用來直接勾兌白酒,可提高酒體質(zhì)量和優(yōu)質(zhì)品率,也大幅度得降低了生產(chǎn)成本 在 的酒精與水的混合 液中加入 經(jīng)處理后的黃漿水酯化液,再配合使用 左右的普通曲酒和優(yōu) 質(zhì)酒酒尾,免除化學合成香料調(diào)香中所產(chǎn)生的浮香,使酒質(zhì)風味自然,基本可以達到普通大曲酒要求利用黃水發(fā)酵制作酯化液可有效提高質(zhì)量,增加效益 還可減少因黃水應用不當而造成的環(huán)境污染,是一種一舉多得的工藝技術。但酶制劑存在不足之處,如效果不明顯活性不穩(wěn)定且較低成本略高等 所以要借助現(xiàn)有工程技術把酯化酶提純,制備成穩(wěn)定成本低廉的復合酶制劑酯化酶制劑在白酒行業(yè)存在廣泛的應用前景,技術成熟之后可以形成完整的生物酯香液產(chǎn)業(yè),帶動白酒產(chǎn)業(yè)的良性房展,產(chǎn)生客觀的 經(jīng)濟效益和社會效益。 紅曲霉 。Implications for cellulose crystallization, J. Bacteriol.,176, 57355752. 7. Saxena, I. M. and Brown, Jr. R. M. 1995. Identification of a second cellulose synthase gene (acsAII) in Acetobacter xylinum, J. Bacteriol, 177, 52765283. 8. Obata, Y., Hirano, A., Ikeuchi, M. et al. 1993, Cloning of cellulose synthetase genes from Acetobacter xylinum JCM 7664, XV International Botanical Congress, Abstracts 8240. 9. Masaoka, S., Ohe, T., and Sakota, N. 1993, Production of cellulose from glucose by Acetobacter xylinum, J. Fermentation Bioengineering, 75, 1822. 10. Sambrook, J., Fritsch, E. F., and Maniatis, T. 1989,Molecular cloning, Cold Spring Harbor Laboratory Press. 11. Altschul, S. F., Gish, W., Miller, W., Myers, E. W., and Lipman, D. J. 1990, Basic local alignment search tool, . Biol., 215, 403410. 12. Tonouchi, N., Tahara, N., Kojima, Y., Nakai, T., Sakai,F., Hayashi, T., Tsuchida, T., and Yoshinaga, F. 1997,A betaglucosidase gene downstream of the cellulose synthase operon in celluloseproducing Acetobacter, . Biochem., 61, 17891790. 13. Huang, L. N., Hseu, T. H., and Lee, Y. J. 1995, EMBL Accession Number U38661. 英文翻譯 紅曲霉在白酒行業(yè)中的應用 摘 要 : 為了研究紅曲霉在酒類釀造中的應用方向及前景,介紹了紅曲霉的酯化能力在白酒生產(chǎn)中的應用在白酒發(fā)酵廢液 黃漿水中的應用和次級發(fā)酵代謝產(chǎn)物在白酒行業(yè)的應用,說明紅曲霉具有較強的酯化力和發(fā)酵糖份的能力,同時還產(chǎn)生多種對人體有益的次級代謝產(chǎn)物,用于白酒的發(fā)酵生產(chǎn),可以提高出酒率及乙酸乙酯的含量,增加酒的營養(yǎng)保健價值,還可處理白酒固態(tài)發(fā)酵產(chǎn)生的廢棄物黃漿水產(chǎn)生酯香液作為白酒風味物質(zhì) 同時展望了紅曲霉在白酒行業(yè)的應用前景 。s yeast can be used as a fermentation fungi can also be crude enzyme preparation as a catalyst, wine production esterification fluid generated by fermentation late, after 80 days of fermentation, so full bodied, mellow and cool . Enzyme preparation deficiencies, such as the little effect the activity of unstable and low cost is slightly higher, so with the help of existing engineering ester enzyme purification, preparation of a stable and lowcost plex enzyme esterified enzyme preparations in the liquor industry wide range of applications, can be formed after the technology is mature and plete bioester balsam industry, driven benign exhibitions of the liquor industry, the objective economic and social benefits. 2 Monascus liquor fermentation waste yellow serofluid The yellow serofluid leaching slurry in the fermentation process in the solidstate fermentation liquor production, the yellow serofluid contain a certain amount of ester alcohols and aldehydes, such as aroma substances also contain sugars and nitrogen pounds, ethyl lactate conten
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