Resources for Microbiology. This blog provides resources for the course FNSC3180/4180 Food Microbiology of CUHK. Check this blog often to see what is new. Your comments are welcome. From May, 2011 onwards, news, analyses, and investigation of foodborne microbial diseases are regularly posted in this blog. Analyses of foodborne microbial genomes from Kwan Lab are also posted here.
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Monday, July 27, 2015
Food Alert - Centre for Food Safety continues to follow up on unsatisfactory sorbet sample / 食物警報 - 食物安全中心繼續跟進不合格雪葩樣本
We have issued a food alert regarding "Centre for Food Safety continues to follow up on unsatisfactory sorbet sample".
Please check the following link for further details.
http://www.cfs.gov.hk/cgi-bin/cfsnew/fa/foodalert_e.pl?record=113
For further enquiries, you may contact us at <rc@fehd.gov.hk>.
Should you wish to cancel your registration with E-news, please notify us either by email (same address as above) or by fax (no. 2893 3547).
Centre for Food Safety
***********************************************************
各位先生/女士:
我們剛發出關於"食物安全中心繼續跟進不合格雪葩樣本"的食物警報。
詳情請參閱以下連結:
http://www.cfs.gov.hk/cgi-bin/cfsnew/fa/foodalert_c.pl?record=113
如有任何查詢,請與我們聯絡(電郵地址:rc@fehd.gov.hk)。
如想取消[食物安全電子信息]的用戶登記,請透過上述電郵地址或傳真號碼 2893 3547 通知我們。
食物安全中心
Thursday, July 23, 2015
Food Alert - One sorbet product with coliform count exceeding legal limit 食物警報 - 一款雪葩大腸菌群含量超標
We have issued a food alert regarding "One sorbet product with coliform count exceeding legal limit".
Please check the following link for further details.
http://www.cfs.gov.hk/cgi-bin/cfsnew/fa/foodalert_c.pl?record=112
For further enquiries, you may contact us at <rc@fehd.gov.hk>.
Should you wish to cancel your registration with E-news, please notify us either by email (same address as above) or by fax (no. 2893 3547).
Centre for Food Safety
***********************************************************
各位先生/女士:
我們剛發出關於"一款雪葩大腸菌群含量超標"的食物警報。
詳情請參閱以下連結:
http://www.cfs.gov.hk/cgi-bin/cfsnew/fa/foodalert_c.pl?record=112
如有任何查詢,請與我們聯絡(電郵地址:rc@fehd.gov.hk)。
如想取消[食物安全電子信息]的用戶登記,請透過上述電郵地址或傳真號碼 2893 3547 通知我們。
食物安全中心
Thursday, July 16, 2015
E-news on 16.07.2015
致食物安全電子資訊訂閱者:
Dear E-news recipients,
以下資訊已上載到食物安全中心(中心)網站:
News on the Centre for Food Safety (CFS) online:
"基因改造食物多面睇"簡訊 (2015年6月第23期)
GM Food Newsletter (23rd Issue, June 2015)
最新一期「基因改造食物多面睇」簡訊已出版,內容包括「製造基因改造食物的目的」,「本地的基因改造食物」,以及「從食物籃中剔除基因改造食物?」。
The latest issue of the GM Food Newsletter has been published. This issue includes "Intention of producing GM food", "GM foods locally available" and "Picking GM food out from food baskets".
歡迎到以下網頁閱覽上述刊物:
You are most welcome to browse through the publications at:
中文:
http://www.cfs.gov.hk/tc_chi/programme/programme_gmf/files/gmnews23c.pdf
English:
http://www.cfs.gov.hk/english/programme/programme_gmf/files/gmnews23e.pdf
專項食品調查–即食食品含蠟樣芽孢桿菌和產氣莢膜梭狀芽孢桿菌
Targeted surveillance on Bacillus cereus and Clostridium perfringens in ready-to-eat food
中心最近完成一項有關即食食品含蠟樣芽孢桿菌和產氣莢膜梭狀芽孢桿菌情況的專項食品調查。結果顯示,除較早前公布的一個不合格腐乳樣本外,其餘全部通過檢測。
蠟樣芽孢桿菌普遍存在於環境中,並可產生孢子,這些孢子能抵受熱力,承受烹煮溫度。蠟樣芽孢桿菌可產生不同毒素,引致食物中毒。至於由產氣莢膜梭狀芽孢桿菌引致的食物中毒,通常與未徹底煮熟的食物或煮熟後長時間冷卻或放在不當溫度下貯存的食物有關。由該種致病菌引致的食物中毒,常見症狀包括嘔吐、腹瀉及腹痛,或有發燒。年幼、長者和免疫力較低的人,會較易出現嚴重及持續症狀。
中心呼籲業界在各個食物製造環節遵從優良衞生規範,以確保食物得到安全和適當處理,並符合《食品微生物含量指引》中的含量限值。而市民應經常保持良好的個人衞生和注意食物衞生。
CFS has recently completed a targeted food surveillance project on Bacillus cereus and Clostridium perfringens in ready-to-eat food. Other than an unsatisfactory preserved bean curd sample announced earlier, test results of the remaining samples were all satisfactory.
Bacillus cereus is commonly found in the environment. It can form spores which are able to resist heat and survive cooking temperature. Bacillus cereus can produce different toxins causing food poisoning. Meanwhile, food poisoning caused by Clostridium perfringens is usually associated with inadequately cooked foods or cooked foods that are cooled for prolonged period or stored under sub-optimal temperature. In food poisoning caused by the pathogen, common symptoms include vomiting, diarrhoea and abdominal pain, and maybe fever. Prolonged and severe symptoms are more likely to appear in the young, the elderly and those with a weaker immune system.
The CFS calls upon the trade to observe the Good Hygienic Practices in each stage of production to ensure safe and proper processing of the food and to comply with the limits stipulated in the Microbiological Guidelines for Food. The public is also advised to maintain good personal and food hygiene.
有關之新聞公報可瀏覽以下網頁:
Please click on this webpage for the related press release:
中文:
http://www.cfs.gov.hk/tc_chi/press/20150629_0301.html
English:
http://www.cfs.gov.hk/english/press/20150629_0301.html
2015年5月份食物安全報告
Food Safety Report for May 2015
中心會每月公布「食物安全報告」,分析當月的食品監察結果,令市民可適時地獲得最新的食物安全資訊。
As a way to deliver the latest food safety information timely to the public, the CFS releases the "Food Safety Report" every month, giving an account of the food surveillance sample result analyses.
有關之新聞公報可瀏覽以下網頁:
Please click on this webpage for the related press release:
中文:
http://www.cfs.gov.hk/tc_chi/press/20150630_0302.html
English:
http://www.cfs.gov.hk/english/press/20150630_0302.html
食物安全巡迴展覽
Roving Exhibition on Food Safety
7月下旬的巡迴展覽內容包括食物安全五要點、預防食物交叉污染、雪卡毒素、營養標籤、控制食物温度、反式脂肪及食物安全條例。展覽將設於元朗同益街市、旺角政府工業貿易署及黃大仙鳳德邨。
The coming exhibitions will be held in late July at Tung Yick Market in Yuen Long, Trade and Industry Department Tower in Mongkok and Fung Tak Estate in Wong Tai Sin. Panels cover topics on 5 keys to food safety, prevention of cross-contamination, ciguatoxins, nutrition labelling, control of food temperature, trans fats and food safety ordinance.
請點擊查看具體時間:
Please click to see the schedule:
中文:
http://www.cfs.gov.hk/tc_chi/whatsnew/whatsnew_act/whatsnew_act_Roving_Exhibition_2015.html
English:
http://www.cfs.gov.hk/english/whatsnew/whatsnew_act/whatsnew_act_Roving_Exhibition_2015.html
食物安全中心
Centre for Food Safety
Thursday, July 2, 2015
E-news-02.07.2015
致食物安全電子資訊訂閱者:
Dear E-news recipients,
以下資訊已上載到食物安全中心(中心)網站:
News on the Centre for Food Safety (CFS) online:
傳達資源小組的主題展覽
Theme Exhibitions in Communication Resource Unit
中心轄下的傳達資源小組現正舉辦以「食物風險管理」及「食物中的除害劑及獸藥殘餘」為主題的展覽。展覽活動包括播放教育短片,設置展板讓市民增加對食物安全的認識,更備有各種食物安全宣傳單張供公眾取閱。小組位於九龍旺角花園街市政大廈8樓,歡迎到場觀賞。
The Communication Resource Unit (CRU) of the CFS is organising the exhibitions on the theme of "Food Safety Plan" and "Pesticide and Veterinary Drug Residues in Food". The exhibition includes short food safety and education videos and exhibition boards to enrich the public's knowledge on food safety. You are welcome to join us at the CRU at 8/F, Fa Yuen Street Municipal Services Building, Mongkok, Kowloon.
請點擊查看具體時間:
Please click to see the schedule:
中文:
http://www.cfs.gov.hk/tc_chi/whatsnew/whatsnew_fstr/whatsnew_fstr_food_safety_charter_Exhibitions_Talks.html
English:
http://www.cfs.gov.hk/english/whatsnew/whatsnew_fstr/whatsnew_fstr_food_safety_charter_Exhibitions_Talks.html
專項食品調查 - 即食食品含凝固酶陽性葡萄球菌
Targeted food surveillance on coagulase-positive staphylococci organisms in ready-to-eat food
金黃葡萄球菌是一種常見並可引起食物中毒的細菌。這種細菌廣泛存在於環境中,常見於身體健康的人的鼻腔、咽喉、頭髮及皮膚,並大量存在於傷口和受感染的部位,食物處理人員若不注重個人衞生,有可能把身上的金黃葡萄球菌傳播到食物。食物若在室溫下存放過久,會引致金黃葡萄球菌迅速繁殖並產生腸毒素,引起食物中毒。儘管大部分感染個案由金黃葡萄球菌引致,但其他凝固酶陽性葡萄球菌也可以產生引致食物中毒的腸毒素。由凝固酶陽性葡萄球菌引起的食物中毒,通常都與進食配製工序較多,食用前又無需再烹煮的食物有關。但由於烹煮的熱力不能消除凝固酶陽性葡萄球菌產生的腸毒素,即使經翻熱後才進食仍有風險。中心最近完成一項有關即食食品含凝固酶陽性葡萄球菌(包括金黃葡萄球菌)情況的專項食品調查,有關的檢測結果已上載於中心網頁。
Staphylococcus aureus is a common bacterium that can cause food poisoning. It exists widely in the environment and is commonly found in the nasal cavity, throat, hair and skin of healthy individuals. It is also present in large numbers in wounds and infected regions. If food handlers do not observe good personal hygiene, Staphylococcus aureus can pass to foods from them. Foods stored at ambient temperature for a prolonged period will allow the toxin-producing Staphylococcus aureus to multiply and elaborate enterotoxins which can cause food poisoning. Although most cases of infection are caused by Staphylococcus aureus, other coagulase-positive staphylococcus species can also produce enterotoxins which can lead to food poisoning. Food poisoning caused by coagulase-positive staphylococci organisms is usually associated with foods that require considerable handling during preparation and no subsequent cooking is required before consumption. Food risk cannot be eliminated by reheating as enterotoxins produced by coagulase-positive staphylococci organisms cannot be destroyed under normal cooking temperatures. The CFS has recently completed a targeted food surveillance project on coagulase-positive staphylococci organisms (including Staphylococcus aureus) in ready-to-eat food. The findings has been uploaded onto the CFS website.
有關之新聞公報可瀏覽以下網頁 :
Please click on this webpage for the related press release:
中文:
http://www.cfs.gov.hk/tc_chi/press/20150618_0292.html
English:
http://www.cfs.gov.hk/english/press/20150618_0292.html
2015年5月份預先包裝食物之營養素含量及致敏物檢測結果
Results of Compliance Test for Nutrition Labelling and Declaration of Allergens for May 2015
為確保預先包裝食品符合《食物及藥物(成分組合及標籤)規例》,中心一直有抽取預先包裝食物的樣本作檢測,其中包括檢測營養素含量及致敏物。而營養素含量及致敏物檢測結果的每月報告已上載到中心網頁。
The CFS has been testing, among other things, nutrients and allergens in prepackaged food samples for compliance under the Food and Drugs (Composition and Labelling) Regulations. Monthly Report on Results of Compliance Test for Nutrition Labelling and Declaration of Allergens under the Regulations has been uploaded onto the CFS website.
歡迎到以下網頁閱覽上述報告:
You are most welcome to browse through the report at:
中文:
http://www.cfs.gov.hk/tc_chi/whatsnew/whatsnew_act/NL_Compliance_Test_Results_MAY_2015.html
English:
http://www.cfs.gov.hk/english/whatsnew/whatsnew_act/NL_Compliance_Test_Results_MAY_2015.html
食物安全巡迴展覽
Roving Exhibition on Food Safety
7月的巡迴展覽內容包括食物安全五要點、雪卡毒素、基因改造食物、營養標籤、反式脂肪、預防食物交叉污染、控制食物溫度及食物安全條例。展覽將設於東涌富東邨富東廣場、筲箕灣耀東商場、元朗同益街市、旺角政府工業貿易署及黃大仙鳳德邨(公屋)。
The coming exhibitions will be held in July at Fu Tung Plaza in Lantau Island, Yiu Tung Shopping Centre in Shau Kei Wan, Tung Yick Market in Yuen Long, Trade and Industry Department Tower in Mongkok and Fung Tak Estate in Wong Tai Sin (Public Housing). Panels cover topics on 5 keys to food safety, ciguatoxins, genetically modified food, nutrition labelling, trans fats, prevention of cross-contamination, control of food temperature and Food Safety Ordinance.
請點擊查看具體時間:
Please click to see the schedule:
中文 :
http://www.cfs.gov.hk/tc_chi/whatsnew/whatsnew_act/whatsnew_act_Roving_Exhibition_2015.html
English:
http://www.cfs.gov.hk/english/whatsnew/whatsnew_act/whatsnew_act_Roving_Exhibition_2015.html
食物安全中心
Centre for Food Safety