細菌發酵 的英文怎麼說
中文拼音 [xìjūnfājiào]
細菌發酵
英文
bacterial fermentation-
In the research field of food preservation, an intense interest for scientists is focused on the isolation of antimicrobial substances from microbial metabolites. natural biopreservatives derived from traditional fermented foods are generally recognized as safe. in this paper, one strain screened for its safety and broad antimicrobial spectrum and its antimicrobial substance - - bacteriocin are studied in detail
本文從傳統的發酵食品中篩選出一株安全、具有廣譜抗菌活性的芽孢桿菌,並對其抗菌活性物質細菌素進行分析,為微生物天然生物防腐劑的開發以及在食品中的應用提供理論依據。Two protein peaks can be obtained by bio - gel p - 6 chromatography and both peaks have antimicrobial activity. so the bacteriocin is consisted of two proteins with different mw. only one protein with larger mw can be detected through tricine - sds - page, and its mw is about 8, 570da
採用30硫酸銨就能完全把發酵液中的細菌素全部沉澱,通過生物膠bio - gelp - 6層析發現細菌素被分離出兩條抗菌蛋白峰,這表明r21 - 4產生的細菌素是由兩種不同分子量的蛋白質組成的,通過tricine - sds - page檢測,只能檢測到一條分子量相對較大的細菌素,分子量在8 , 570da左右。There are a lot of bacteria in the natural fermented foods. the bacteria have much economic value and they are very important to the commercial run of the factory as one kind of microbial resources
在一些天然發酵食品中,存在著一些對發酵食品生產具有很高經濟價值的細菌,這是一類很重要的微生物資源。The metabolites eliciting inhibition to foam cell formation process of macrophage produced by endophyte hccb00017 were studied. several products were isolated through solvent extraction, and silica gel chromatography et al. one compound, hccb00017 - a, showed cytotoxicity ; the other two, hccb00017 - c and hccb00017 - e, showed inhibitory activity against foam cell formation process of macrophage
對具有巨噬細胞泡沫化抑制活性的植物內生菌hccb00017的代謝產物進行研究,應用溶媒萃取、硅膠柱分離等方法,從其發酵液中分離出具有細胞毒性的活性物質hccb00017 - a ,以及具有巨噬細胞泡沫化抑制活性的組分hccb00017 - c和hccb00017 - e 。The application and development prospect of several microbial preparations such as bacillus sp., photosynthesis bacteria, nitrobacteria, denitrify bacteria, yeasts and micro - algae which were applied on aquiculture were summarized
摘要簡述了芽孢桿菌、光合細菌、硝化細菌和反硝化細菌、酵母菌等幾種微生態制劑在水產養殖中的應用現狀及發展前景。Study on the conditions for shaking flask fermentation of the exopolysaccharide production from an oligotrophic bacteria
一株寡營養細菌胞外多糖的搖瓶發酵研究The deleted mutant pap gene was also cloned into yeast secreted expression ppic9k vector to form ppic9k ~ 3, then the vector was transferred into pachia pastoris gs115 strain. the specific expression protein was secreted into the medium after inducing with methanol and the protein amount reached about 50 - 60 u g per millilitre measured by uv - absorbed methods in the supernatant of the medium via high density fermentation. sds - page results showed that there was one protein band in the gel which molecular weight was about 34ku
將缺失型pap基因克隆于酵母分泌型表達載體ppicgk構成重組載體,然後導入畢赤酵母( p8chianastoris )菌株gslls細胞中,在甲醇的誘導下,經過酵母高密度發酵進行pap的表達,經sds page分析,結果表明,在培養基上清液中含有一明顯的特異性蛋臼條帶,大小為34ku ,經western blotting分析,該蛋白與法國pap抗血清有特異性反應,體外活性檢測表明該蛋白對tmv的侵染性具有高度的抑制性,說明該pap基因在畢赤酵母gs中也得到了正確表達。Conclusion : the system not only could pick upon the op timum strain on fixed culture medium or the optimum substrate to special strain fleetly but also could be used to evaluate the microbe growth character apace, monitor z ymogen upgrowth in fermentor and determine total number of bacteria in fresh cre amery rapidly
結論:研製的生物傳感器系統可用於菌種和培養基組分的快速篩選、微生物活細胞生長特性的快速評估,還可用於發酵罐中發酵菌的生長監測及新鮮牛奶中雜菌總數的快速測定。On the base of i. acidophilus strains pb1 mixed with enterococcus strains m1, pb2, a30, a31, bifidobacteria pba and inf were added in the culture. the results suggested pba and inf were limited on the co - cultures, its indicated that pba and inf grew badly with other probiotics in vitro each mice were given 0. 5ml fermentative liquor of probiotics strains pbl + a30, pba, pb1, m1, pb1 + m1, pb1 + a30 for one month
將幾株體外性狀好的菌株pba 、 pb1 、 m1 、 pb1 + m1 、 pb1 + a30 ,每天以0 . 5ml每隻發酵液的量灌胃給正常小白鼠,時間30天,測定小鼠免疫器官指數和血清中細胞因子的變化,並觀察小鼠脾臟的變化。The study was performed to isolate biosurfactant - producing bacteria from composting at different temperature, 45 and 55, biosurfactant ' s producing was determined by measuring the surface tension of fermentation
從不同溫度的堆肥過程中( 45和55 )篩選產生物表面活性劑的細菌,生物表面活性劑的產生通過測定其發酵液的張力值來判斷。A database search revealed that the putative sequence of the red gene shows 40 - 50 % identity with those of uroporphyrinogen iii methyltransferase ( encoded by coba gene ) from various kinds of bacteria. an over - expression of the coba gene in e. coli was reported to lead to an accumulation of trimethylated derivative of porphyrin termed trimethylpyrrocorphin and factor ii, which emit strong red fluorescence under uv
在ddbj中搜索到多種細菌來源的coba基因(編碼uroporph仰nogenhmethyltransferase )與redsene有40 50的同源性,並據報道,其中一個來源於pmpboibaclerilllaslldelll切chit的coba的基因,轉人大腸桿菌、酵母菌及動物細胞后能使表達載體在紫外線下發射紅色熒光。1760 samples produced by endophytes reserved by shanghai health creation center for biopharmaceutics r & d were tested on several models, and many bioactive samples were selected. the result of second round indepth - screening for these bioactive samples demonstrated that three samples still possecced great inhibitory ability against foam cell formation process of macrophage
本研究對1760份植物內生菌發酵樣品的活性通過多個模型進行了初步篩選,結果發現多個活性樣品,對活性樣品進行復篩,發現其中有三份樣品對巨噬細胞泡沫化抑制活性仍較強。Geotrichum candidum, candida mycoderma and rhizopus were used as seed speices respectively and daqu distiller ' s grains used as main raw materials ( addition of adequate auxiliary materials as culture medium ) to produce single cell protein by solid fermentation
摘要以白地霉、假絲酵母和根霉為菌種,以大麴丟糟為主要原料,通過添加適當輔料為培養基,經固態發酵方法生產單細胞蛋白。Identification and activity of antibacterial substance from xenorhabdus nematophila var. pekingense
昆蟲病原線蟲共生細菌發酵液對棉鈴蟲和菜青蟲的口服毒性Lactic acid a 3 - carbon hydroxy - acid formed as a result of fermentation by cretain bacteria, e. g. lactobacillus
乳酸:某些細菌發酵得到一種三碳羥基酸。例如:乳酸菌。Result and conclusion : fermentation has many advantages, it is the trend of production of hyaluronic acid
結果認為細菌發酵法具有較大的優勢,是透明質酸生產的發展方向。For example, sweeteners do not cause tooth decay because they do not contain fermentable carbohydrates which can be turned into harmful acids by oral bacteria
例如,甜味劑不會導致蛀牙,因為它們不含有能被口腔細菌發酵成有害的酸的碳水化合物。Studying on the effects of nitrogen sources, carbon sources and other influence factors has optimized the lipase fermentation conditions for the strain. the optimal medium composition for the lipase production is ( % ) : yeast extract 1
對菌株lz1進行產酶條件優化研究,發現碳源和氮源的種類,碳氮源比值以及細菌發酵的初始ph值對酶產量影響最大。According to the representative patents , academic papers , and authors long time research work of hyaluronic acid, summarize the production methods, including extraction from animal tissues and fermentation method
為了反映出透明質酸生產工藝全貌,依據國內外具有代表性的專利文獻和學術雜志文獻,結合作者多年的透明質酸研究開發工作,分別對動物組織提取法和細菌發酵法進行綜述。Mixed fermentation of bacteria and yeasts ; 8
7 .細菌與酵母協同作用的混合發酵。分享友人