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探究醫院經營管理學習模式之建立與應用
[[abstract]]我們的生活因網際網路資源帶來了許多改變,線上模擬教育模式可改善傳統教育方法的限制並增進教學效率。我醫護教育中關鍵思考、問題解決能力、臨床決策、創意思考等重要能力並非單就於職場時邊做邊學而來,必須由基本的教育訓練而來
教師組織公民行為與創意學校經營之研究
[[abstract]]摘 要
本研究目的在瞭解國民小學教師組織公民行為與創意學校經營之關係,以台中縣公立國民小學為主要母群體。本研究透過文獻探討與問卷調查法,以立意分層抽樣方式抽取台中縣公立國民小學498位教師為研究對象,研究工具為研究者自編之「台中縣國民小學教師組織公民行為與創意學校經營調查問卷
添加中藥之改良韓式泡菜市場開發因素探索
[[abstract]]由於國際飲食交流普及,健康概念飲食廣為流行,國內早已流傳韓式泡菜,並甚受社會大眾喜愛。本研究進一步將中藥中使用甚廣之枸杞和紅棗添加入韓式泡
Application of Demand Projection to Recreation Business Plan
[[abstract]]在休閒產業市場分析和整個可行性研究報告中,預測需求對某一休閒產品、活動或服務,也許是最困難的部分。在最近這幾年,台灣的消費能力特別是在休閒產業或是促進健康產品方面,均有大幅成長的趨勢。許多健康中心或是SPA等的紛紛設立,便是證明台灣消費者驚人成長的消費能力
Imaging Training Applied to the Results to Documents Discussion on Athletic Performance Analysis
Assessment Biofilm Formation and Environmental Factor Resistant Ability of Pandrug Resistant Acinetobacter baumannii
口試委員會審定書
授權書 ii
誌謝 iii
中文摘要 iv
英文摘要 vi
第一章 文獻資料回顧 1
1-1 鮑氏不動桿菌之命名 1
1-2 鮑氏不動桿菌之特 1
1-3 鮑氏不動桿菌之傳染途徑及流行病學 2
1-4鮑氏不動桿菌之抗藥性發展 4
1-4-1碳青黴烯類抗藥性鮑氏不動桿菌之產起 4
1-4-2多重抗藥鮑氏不動桿菌之興起 5
1-4-3全抗藥鮑氏不動桿菌之崛起 5
1-5 鮑氏不動桿菌對環境之抗性 6
1-6 生物膜之生成 7
1-7 鮑氏不動桿菌與生物膜之關係 7
第二章 論文研究目的 9
2-1 研究目的 9
2-2實驗架構 10
第三章 實驗材料與方法 11
3-1實驗材料 11
3-2實驗儀器 13
3-3實驗方法 15
3-3-1 PDR-AB生物膜形成能力 15
3-3-2 PDR-AB在自由移動狀態下菌液培養方式 15
3-3-3 PDR-AB菌數計數方式 16
3-3-3-1生物膜形成菌數計數之操作方法 16
3-3-3-2自由移動狀態下菌數計數之操作方法 16
3-3-4 PDR-AB抵抗乾燥環境能力 17
3-3-4-1自由移動狀態下抵抗乾燥環境能力 17
3-3-4-2生物膜狀態下抵抗乾燥環境能 17
3-3-5 PDR-AB抵抗溫度環境能力 18
3-3-5-1自由移動狀態下抵抗溫度環境能力 18
3-3-5-2生物膜狀態下抵抗溫度環境能力 18
3-3-6 PDR-AB抵抗酒精環境能力 19
3-3-6-1自由移動狀態下抵抗酒精環境能力 19
3-3-6-2生物膜狀態下抵抗酒精環境能力 19
第四章 實驗結果與討論 20
4-1 PDR-AB生物膜形成能力 20
4-2 PDR-AB抵抗乾燥環境能力 20
4-2-1自由移動狀態下抵抗乾燥環境能力 20
4-2-2生物膜狀態下抵抗乾燥環境能力 21
4-3 PDR-AB抵抗溫度環境能力 21
4-3-1自由移動狀態下抵抗溫度環境能力 21
4-3-2生物膜狀態下抵抗溫度環境能力 22
4-4 PDR-AB抵抗酒精環境能力 22
4-4-1自由移動狀態下抵抗酒精環境能力 22
4-4-2生物膜狀態下抵抗酒精環境能力 23
第五章 結論 24
圖表目錄
圖1. 脈衝式電泳(Pulsed Field Gel Electrophoresis;PFGE)分析圖 27
圖2. 全抗藥鮑氏不動桿菌生物膜形成強度分析 28
圖3. PDR-AB在自由移動狀態下抵抗乾燥環境之存活天數 29
圖4. PDR-AB依生物膜形成能力分別在自由移動狀態下抵抗乾燥環境之存活天數 30
圖5.比較三種不同強度生物膜之PDR-AB在自由移動狀態下抵抗乾燥環境之存活天數 31
圖6. PDR-AB在生物膜狀態下抵抗乾燥環境之存活天數 32
圖7. PDR-AB依生物膜形成能力分別在生物膜狀態下抵抗乾燥環境之存活天數 33
圖8.比較三種不同強度生物膜之PDR-AB在生物膜動狀態下抵抗乾燥環境之存活天數 34
圖9. PDR-AB在自由移動狀態下抵抗溫度環境能力 35
圖10. PDR-AB依生物膜形成能力分別在自由移動狀態下抵抗溫度環境能力 36
圖11.比較三種不同強度生物膜之PDR-AB在自由移動狀態下抵抗溫度環境能力 37
圖12. PDR-AB在生物膜狀態下抵抗溫度環境能力 38
圖13. PDR-AB依生物膜形成能力分別在生物膜狀態下抵抗溫度環境能力 39
圖14.比較三種不同強度生物膜PDR-AB在生物膜狀態下抵抗溫度環境能力 40
圖15. PDR-AB在自由移動狀態下抵抗酒精環境能力 41
圖16. PDR-AB依生物膜形成能力分別在自由移動狀態下抵抗酒精環境能力 42
圖17.比較三種不同強度生物膜之PDR-AB在自由移動狀態下抵酒精燥環境能力 43
圖18. PDR-AB分別在生物膜狀態下抵抗酒精環境能力 44
圖19. PDR-AB依生物膜形成能力分別在生物膜狀態下抵抗酒精環境之能力 45
圖20.比較三種不同強度生物膜之PDR-AB在生物膜狀態下抵抗酒精環境能力 46
參考文獻 47
附錄 53[[abstract]]本研究之目的主要在於了解全抗藥鮑氏不動桿菌(pandrug resistant Acinetobacter baumannii;PDR-AB)形成生物膜的能力並探討PDR-AB在自由移動狀態與形成生物膜對於乾燥、溫度與酒精環境的耐受程度。實驗測試236株來自臨床分離出的PDR-AB,經脈衝式電泳分析證實為11株不同的基因型,將菌株培養於含1%葡萄糖的培養基中,於1、3、5天後分析其形成生物膜之強度,將形成生物膜OD570值大於0.17小於1定義為低度生物膜形成能力,大於1小於2為中度生物膜形成能力,大於2為強度生物膜形成能力。
本研究中11株PDR-AB皆可形成生物膜,其中0株可形成極低度生物膜,3株可形成中度生物膜,6株可形成中度生物膜,2株可形成強度生物膜。且實驗中,我們發現生物膜形成較低之PDR-AB在游離狀態下僅可耐乾燥環境少於14天、耐酒精濃度至20%、耐溫低於50℃,具強度生物膜形成之菌株在游離狀態下則可耐乾燥環境至21天、耐酒精濃度至30%、耐溫度低於60℃;但形成中度生物膜之菌株在生物膜狀態下於乾燥環境中生存可大於42天、耐酒精濃度到60%、耐溫低於50℃,而強度生物膜之菌株可於乾燥環境中生存大於56天、耐酒精濃度亦可到達60%、耐溫度低於60℃,且強度生物膜形成之菌株存活率較中度生物膜形成之菌株高約數百倍。
實驗結果證實PDR-AB菌株形成生物膜與其抗環境之能力有關,顯示PDR-AB在游離狀態下無法抵抗缺乏養分的乾燥環境,菌株容易死亡。一旦形成生物膜,除了治療困難度提高外,也會增加PDR-AB抵抗環境的能力,促使PDR-AB延長存活時間,也因此有機會可以藉由醫院環境、醫療照護器材等途徑進行散播。
This study explores the ability of pan-drug resistant Acinetobacter baumannii (PDR-AB) to form biofilms and investigates the tolerance of PDR-AB when in the biofilms and planktonic state to desiccation, temperature, and alcohol. Experiments were conducted to test 236 clinically isolated strains of PDR-AB, which were verified to be diverse genotypes using pulsed field gel electrophoresis. The strains were cultured in media containing 1% glucose, and the strength of the formed biofilms was analyzed after 1, 3, and 5 d of culture. An optical density value measured at 570 nm (OD570) greater than 0.17 and smaller than 1 was defined as a very low level of biofilm formation; an OD570 value greater than 1 and smaller than 2 denoted a very low level of biofilm formation; an OD570 value greater than 2 and smaller than 3 denoted an intermediate level; and an OD570 value exceeding 3 signified a high level. In this study, all 11 PDR-AB strains formed biofilms, among which 0, 3, 6, and 2 strains exhibited a low level, low, intermediate, and high level of biofilm formation, respectively.
From the experiments, we found that in a planktonic state, the PDR-AB strains with low biofilm formation ability tolerated a desiccate environment for fewer than 14 d, an alcohol concentration less than 20%, and temperature no higher than 50°C, whereas the PDR-AB strains with a high biofilm formation ability tolerated a desiccate environment for 21 d, an alcohol concentration of 30%, and a temperature of 40°C. However, the PDR-AB strains with moderate biofilm formation survived 42 to 49 d in a desiccate environment and tolerated an alcohol concentration of 60% and temperature of 50°C, whereas the PDR-AB strains with high biofilm formation survived over 49 d in a desiccate environment and tolerated an alcohol concentration of 60% and temperature of 60°C. In addition, the survival rate of the strains with high biofilm formation surpassed that of those with moderate biofilm formation by several hundredfold.
Experimental results confirmed that the ability of PDR-AB to form biofilms is correlated to the ability of the biofilms to tolerate environmental conditions. The results indicated that in a planktonic state, PDR-AB could not tolerate a desiccate environment lacking nutrients; thus, cell death readily occurred. The formation of the biofilm increases treatment difficulty and enhances the ability of PDR-AB to tolerate the surrounding environment. Consequently, the survival period of PDR-AB is prolonged and the dissemination through channels, such as hospital environments and medical equipment, is facilitated
The Investigation and Water Quality Monitor for Tainan Coastal Area
致謝 I
中文摘要 II
ABSTRACT IV
第一章 前言 1
1.1研究背景與動機 1
1.1.1沿海海域介紹 1
1.1.2黑面琵鷺介紹 3
1.2研究目的 4
第二章 文獻探討 5
2.1環境概況 5
2.1.1氣象 5
2.1.2海象 10
2.1.3河川特性 17
2.1.4產業概況 23
2.2臺南市近海海域歷年水質監測結果 26
2.3黑面琵鷺保護區 28
2.3.1黑面琵鷺簡介 28
2.3.2黑面琵鷺棲息地 31
第三章 材料與方法 32
3.1臺南市沿海海域水質監測 32
3.1.1監測地點、項目及頻率 32
3.1.2採樣方法 37
3.1.2.1採樣前置作業 41
3.1.2.2採樣步驟 42
3.1.2.3樣品保存及運送 43
3.1.2.4檢測分析 44
3.1.3監測異常之處理建議 45
3.2黑面琵鷺棲息地之水質採樣 48
第四章結果 51
4.1臺南市海域水質結果 51
4.1.1海域水質分析結果 51
4.1.2海域底質調查結果 83
4.2黑面琵鷺棲息地水質結果 87
4.2.1黑面琵鷺保護區分析結果 92
第五章 結論 103
5.1臺南市沿海海域水質結果 103
第六章 參考文獻 105[[abstract]]海洋立國的我們,長期以來對海洋環境的忽略,使我們的海洋遭受嚴重的破壞與污染,所以有必要對海洋環境,作更多的研究與了解。希望有效瞭解臺南市海域環境現狀。保護這個生態環境不被破壞及汙染。
本研究調查範圍北從臺南市海岸北端之八掌溪河口北側,南至二仁溪出海口,總共進行3次的水質調查,結果與環保署公告海域水質標準做比較,目前臺南市沿海海域水質如下;鹽度:31.4~34.1 mg/L、葉綠素a:0.27~5.73 μg/L、大腸桿菌群:<10~8300 CFU/100mL、懸浮固體:4.0~66.2 mg/L、水溫:17.2~32.1 ℃、溶氧:6.2~8.3 mg/L、pH值8.0~8.2、總磷:N.D.~0.131 mg/L、氨氮:0.04~1.06 mg/L、礦物性油脂:N.D.(<1.0 mg/L)、生化需氧量:<2.0 mg/L,大部分皆符合所有類別海域水質標準。
黑面琵鷺重要覓食區與活動區總共進行9次的水質調查,結果與環保署甲類海域水質標準做比較,目前黑面琵鷺重要覓食區與活動區水質如下;pH:7.6~8.5、水溫:17.0~30.8 ℃、溶氧量:5.3~7.6 mg/L、懸浮固體:25.8~88.3mg/L、生化需氧量:3.6~11.8 mg/L、化學需氧量:25.5~60.1mg/L、氨氮:N.D.~0.77 mg/L、大腸桿菌群:<10~160 CFU/100mL、銅:N.D.~0.02 mg/L、鋅:N.D.~0.07 mg/L、鎳:N.D.(<0.015 mg/L)、總鉻:N.D.~0.09 mg/L、鉛:N.D.~0.03 mg/L、鎘:N.D.~0.009 mg/L、錳:N.D.~0.14 mg/L、鎘:N.D.~1.16 mg/L,結果在溶氧部分,較前一年度濃度高,而懸浮固體物濃度與氨氮濃度,則較前一年濃度低許多,三者皆顯示水質有改善情形。而生化需氧量方面,推測可能由於沿海有很多的養殖漁業,持續地向潟湖排出有機廢水,造成測值偏高,但本區域各測點仍皆符合甲類海域水質標準。
As an island that depends on the ocean, we have been disregarding the marine environment for a long period of time. Our ocean has been seriously damaged and polluted. Hence, we must have more studies and understandings focused on marine environment. Environmental Protection Bureau of Tainan City Government has specially proposed this project: Project of Marine Environmental Monitor and Pollution Emergency Response for Tainan City 2011 to have direct understandings in present situations of sea areas in Tainan City, and to protect these areas from being polluted and damaged.
This research investigates three times water qualities, and ranges from Bajhang River of northern Tainan to Erren River of southern Tainan. The results match Tainan City standards, such as Chl-a 0.27~5.73 μg/L, Suspended solids 4.0~66.2 mg/L, Dissolved Oxygen 6.2~8.3 mg/L, pH 8.0~8.2, and Ammonia Nitrogen 0.04~1.06 mg/L.
As for the major feeding territory and activity areas of Black-faced Spoonbill, we investigate nine times water qualities and compares to the Class-A sea area water quality standard of Environmental Protection Administration. The results show higher dissolved oxygen than the previous year and much lower concentration of suspended solids and Ammonia nitrogen than the previous year. Above three results show the water quality has been improved. However, the Biochemical oxygen demand is over the standard of the Class-A sea area water quality. There are many aquacultures along the coasts and constantly discharge organic waste water; hence, the result may be slightly higher
Removal of dyes from polluted water by Taiwan native bacterial strains
中文摘要 -I-
英文摘要 -III-
誌謝 -V-
目錄 -VI-
表目錄 -XI-
圖目錄 -XIII-
第一章 前言 -1-
1-1 前言 -1-
1-2 研究目的 -2-
第二章 文獻回顧 -4-
2-1 染整廢水的來源 -4-
2-2 染料的簡介 -5-
2-3 常用的染料及助劑 -5-
2-3-1 染料分類 -6-
2-3-2 染色助劑 -10-
2-4 水中色度去除之方法 -12-
2-4-1 物理法 -13-
2-4-2 化學法 -13-
2-4-3 生物處理 -14-
2-4-4 不同生物處理程序 -16-
2-4-5 生物處理法的問題點 -17-
2-5 細菌的褪色機制 -18-
2-5-1 偶氮還原酵素之除色機制 -18-
2-5-1 生物吸附 -19-
2-5-3 生物累積 -19-
2-6 微生物的一般生理 -20-
2-7 菌體吸附染料的吸附模式 -23-
2-7-1 Freundlich方程式等溫吸附模式 -27-
2-7-2 Langmuir方程式等溫吸附模式 -28-
2-8 Pseudomonas sp.的簡介. -29-
第三章 實驗材料與設備 -30-
3-1 藥品 -30-
3-2 儀器 -32-
第四章 研究方法 -34-
4-1 菌株製備 -36-
4-1-1 菌株來源、分離及純化 -35-
4-1-2 菌種保存 -35-
4-1-3 活化 -35-
4-1-4 前培養 -36-
4-1-5 主培養 -36-
4-1-6 死菌菌體前處理 -36-
4-2 脫色菌株之篩選試驗 -37-
4-3 脫色菌株的鑑定 -38-
4-4 脫色菌株生長曲線製作 -38-
4-5 掃瞄式電子顯微鏡 -38-
4-6 脫色菌株對不同染料脫色能力試驗 -39-
4-7 染料脫色前後全波長試驗 -40-
4-8 不同生長時期的脫色菌株對染料脫色能力試驗 -41-
4-8-1 不同生長時期的脫色菌株對染料脫色能力試驗-活菌 -41-
4-8-2 不同生長時期的脫色菌株對染料脫色能力試驗-死菌 -41-
4-9 分析方法 -42-
4-9-1 菌體質量分析方法 -42-
4-9-2 菌體對染料之吸附量 -42-
4-9-3 菌液濃度分析 -43-
4-9-4 染料濃度分析 -44-
4-9-5 各式染料的最大吸光波長之確認 -44-
4-10 田口式實驗設計法 -48-
4-10-1 實驗設計之L9直交表 -48-
4-10-2 信號雜訊比(S/N比) -50-
4-11 等溫平衡吸附實驗 -51-
4-11-1 等溫平衡吸附實驗-死菌 -51-
4-11-2 等溫平衡吸附實驗-活菌 -52-
4-12 活菌、死菌脫色能力之實驗 -52-
4-12-1 活菌、死菌脫色能力之實驗-活菌 -52-
4-12-2 活菌、死菌脫色能力之實驗-死菌 -53-
第五章 研究結果與討論 -54-
5-1 脫色菌株篩選試驗結果 -54-
5-2 JTMB-F菌之鑑定結果 -62-
5-3 Pseudomonas sp. JTMB-F的生長曲線 -65-
5-4建立脫色菌株Pseudomonas sp. JTMB-F的細菌檢量線 -66-
5-5染料的檢量線 -66-
5-6 Pseudomonas sp. JTMB-F的掃描式電子顯微鏡圖像 -69-
5-7 脫色菌株Pseudomonas sp. JTMB-F對不同染料脫色能力之檢測 -71-
5-8 脫色菌株Pseudomonas sp. JTMB-F對Methylene Blue脫色前後之全波長試驗 -72-
5-9 不同生長時期的脫色菌株對染料脫色能力之比較 -73-
5-9-1 不同生長時期的脫色菌株對染料脫色能力之比較-活菌 -73-
5-9-2 不同生長時期的脫色菌株對染料脫色能力之比較-死菌 -74-
5-10 田口式實驗 -75-
5-10-1 脫色菌株(死菌)之最佳實驗條件 -75-
5-10-2 脫色菌株(活菌)之最佳實驗條件 -77-
5-11 等溫平衡吸附曲線 -80-
5-12 等溫吸附動力學 -81-
5-12-1 Langmuir等溫吸附模式 -82-
5-12-2 Freundlich等溫吸附模式 -84-
5-13 活菌、死菌脫色能力之比較 -86-
第六章 結論 -87-
第七章 參考文獻 -89-[[abstract]]人類在早期所使用的染料大都由大自然界的物質所獲得,而這些自然的物質容易被大自然存在的微生物給漸漸分解;而到了現今的社會,隨著產業發達,漸漸開發出很多化學合成染料並大規模生產,使得染料廢棄物的性質變成極為複雜,這些廢棄物遠遠超過大自然所能承受及分解的數量,而染料廢棄物經由排放之後隨即產生環境上的汙染,最後造成我們人類的生活環境受到影響。
本研究主要目的是尋找台灣原生菌株應用於去除不同種類的染料污水,找出此菌株脫色效果較佳的染料種類,再以田口式實驗設計法,尋找死菌與活菌去除染料的最佳操作條件,並計算其吸附反應動力學的相關係數,來確認其等溫吸附模式,最後比較活菌與死菌之脫色能力。由研究結果得知,我們篩選出一株對染料具有良好脫色效果的菌株為JTMB-F,經由生物資源保存及研究中心鑑定結果為Pseudomonas sp.,Pseudomonas sp. JTMB-F對不同染料脫色實驗中,證實對Methylene Blue有較佳的脫色效果,另外以田口實驗,探討最佳操作條件時,在溫度、菌體濃度、染料濃度、震盪速率的四項實驗因子中,影響脫色效率最敏感因子為菌體濃度,而等溫吸附動力學分析中,發現Langmuir等溫吸附模式較Freundlich等溫吸附模式更能描述Pseudomonas sp. JTMB-F吸附染料之行為,而死菌的染料去除能力比活菌來的高,總結本菌株Pseudomonas sp. JTMB-F是一有潛力的生物素材,未來可望實際應用於廢水中染料之去除。
Natural dyes used in the past can be gradually broken down by microorganisms; however, the synthetic chemical dyes that are developed and mass-produced in modern times would result in dye wastes and have complex properties. The amount of wastes has overloaded the nature. The discharged dye wastes immediately lead to environmental pollution, ultimately affecting our living environment.
This study aimed to identify Taiwan’s native bacterial strains for removing different dyes from wastewater. After determining the dye types of better decolorization effect by bacterial strains, this study applied Taguchi experimental design to find out the optimal operational conditions of the dead and live strains to remove dyes, calculate the correlation coefficients of the absorption reaction dynamics to confirm the isothermal absorption mode, and compare the decolorization capabilities of the dead and live strains. The results indicated that the selected JTMB-F strain of good decolorization effect is verified as Pseudomonas sp., Pseudomonas sp. by the Bioresoruces Preservation and Research Center. The JTMB-F decolorization experiments on different dyes proved that it has a good decolorization effect on Methylene Blue. According to the discussion on the optimal operational conditions by Taguchi experimental method, the most sensitive one among the four experimental factors, including temperature, strain concentration, dye concentration and vibration velocity, is the strain concentration. In the analysis of isothermal absorption dynamics, it was found that Langmuir isotherm absorption model can better describe Pseudomonas sp. than Freundlich isothermal absorption model and others. Regarding the dye absorption behavior of JTMB-F, the dead strains can better remove dyes than the live strains, thus proving that the Pseudomonas sp. of this strain. JTMB-F is a biological material of potentials that can be applied in the removal of dyes in the wastewater
Screening Of Bacteriocin Producing Probiotic And Effect Of Herbal Medicines To Its Antimicrobial Ability
目錄 ....................................................................................................... I
中文摘要 .............................................................................................. II
英文摘要 ............................................................................................ III
壹、導論 .............................................................................................. 1
貳、研究構想 .................................................................................... 18
參、材料與方法 ................................................................................ 19
肆、結果 ............................................................................................ 23
伍、討論 ............................................................................................ 26
陸、結論 ............................................................................................ 27
柒、參考文獻 .................................................................................... 28
捌、表 ................................................................................................ 36
玖、圖 ................................................................................................ 38
拾、附表 ............................................................................................ 56[[abstract]]近年來,益生菌改善人體健康已受到相當的重視。乳酸菌及比非德氏菌是最常見也是潛力的益生菌。在發酵食品中,乳酸菌亦扮演最核心的角
色,其所產生的抗菌蛋白或胜肽稱為細菌素,具有展現抑制食品腐敗菌的活性。利用乳酸菌發酵中草藥具有許多優點,例如:提高中草藥之萃取率、
產生新的活性成分、減少廢棄物等。本研究從實驗室菌種庫中總共分析了270 株乳酸菌,其中以 Lactobacillus plantarum 居多,利用洋菜槽擴散法
從中選取具有產生細菌素之乳酸菌,經過序列比對後,鑑定此菌株為Lactobacillus gasseri。由實驗結果發現,Lactobacillus gasseri 的菌數在 MRS
培養基下培養 16 小時達到 2.1×108 ,20 小時後菌數開始往下降。培養8小時後,細菌素的抑制活性即可達到最高峰,以 Fast Protein Liquid
Chromatography(FPLC)分析,fraction7、8 具有抑制活性,以 Proteinase K處理後失去活性,經過 110℃處理 10 分鐘後具有抑制活性。由此本研究進一步使用了 11 種不同的中草藥進行發酵,結果發現 Lactobacillus gasseri經由不同的中草藥發酵後,對 Lactobacillus gasseri 的生長及細菌素的產生會有不同的影響,經過山苦瓜及知母發酵之後,Lactobacillus gasseri產生的細菌素對 E. coli 及 S. aureus 還保有活性,而隨著濃度的提高,菌數及抑菌圈也隨之增加。探討中草藥對 Lactobacillus gasseri 產生細菌素的影響,推測有部分中草藥會吸附 Lactobacillus gasseri 所產生的細菌素,以及中草藥會影響 Lactobacillus gasseri 產生細菌素之合成,經實驗後,證實山藥與黃精會吸附細菌素,而其他中草藥影響細菌素的原因還有待探討。
In recent years, probiotics improve human health has received considerable attention. Lactic acid bacteria including lactobacilli and bifidobacteria are the most common bacterial species considered as potential
probiotics . Lactic acid bacteria have an essential role in the majority of food fermentations , Its produce antimicrobial proteins and peptides called bacteriocins , It was shown to inhibit food spoilage microorganisms . The use of lactic acid bacteria fermented Chinese herbal medicine has many advantages , Such as : increase the extraction rate of Chinese Herbal Medicine、Production of new active ingredients、Reduce waste, etc . This study analyzed a
total of 270 lactic acid bacteria in the laboratory culture collections, lactic acid bacteria were selected and screened for their ability to produce bacteriocin by agar well diffusion method, after the Sequence Alignment, identification of this strain is Lactobacillus gasseri. In this study, The cell density of Lactobacillus
gasseri increased to 2.1×108 during 16 h, after the 24h the bacterial count started to decrease. bacteriocin production was observed at 8 hours, The best activity in inhibition of bacteriocin in 24 hours , Analysis by Fast Protein Liquid Chromatography (FPLC) , whereas the peak of bacteriocin was observed at fraction 7、8 , The activity of bacteriocin was destroyed after treatment with Proteinase K, bacteriocin remained active after 10 min at 110℃.
This study used 11 different Chinese herbs medicine for fermentation, The results showed that Lactobacillus gasseri through the fermentation of Chinese herbal medicine, the growth and bacteriocin of Lactobacillus gasseri, they
would have different effects, after Momordica charantia and Anemarrhena fermentation, bacteriocin produced by Lactobacillus gasseri still retained antimicrobial activity against E. coli and S. aureus, With the increase of
Chinese herbs medicine concentration, Bacterial counts and the inhibitory activity also increases. The Exploration of Chinese herbs medicine to produce bacteriocin by Lactobacillus gasseri, Speculate that there are some Chinese
herbal medicine will be the adsorption of bacteriocins produced by Lactobacillus gasseri, and Chinese herbal medicine will change the Lactobacillus gasseri to produce bacteriocin synthesis pathway, After the experiments, Confirmed that the Dioscorea opposita and Polygonatum sibiricum adsorption of the bacteriocin, and other Chinese herbal medicine
bacteriocin reasons yet to be explored