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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川防腐劑經(jīng)銷商,防腐劑</p><p><span>***更新：</span>2020-10-12 04:07:19</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="nw7mjyc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">湖北福潤(rùn)德食品原料有限公司</a></p><p><span>聯(lián)系人：</span>陳永耀</p><p><span>郵箱: </span>329748164@qq.com</p><p><span>電話: </span>13237199399</p><p><span>傳真: </span>132_37199399</p><p><span>網(wǎng)址: </span>https://hbfrdsp.1688.com</p><p><span>手機(jī): </span>132-37199399</p><p><span>地址: </span>東辛安渡辦事處徐家臺(tái)1號(hào)(15)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="tnfmoa3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="fol7p77" class="box"><p><h1> <span style="font-size:16px;"></span><span style="font-size:16px;">食品防腐劑</span><span style="font-size:16px;">苯甲酸及其鈉鹽</span> </h1> <p> <span style="font-size:16px;">苯甲酸又名安息香酸，苯甲酸及其鈉鹽由于其相對(duì)低廉的價(jià)格和良好的防腐效果在世界范圍內(nèi)被使用，四川防腐劑經(jīng)銷商，而由于苯甲酸穩(wěn)定性較差以及難溶于水，所以常用的是苯甲酸鈉，其防腐pH是2.5-4.0。苯甲酸鈉有防止變質(zhì)發(fā)酸、延長(zhǎng)保質(zhì)期的效果，但用量過(guò)多會(huì)對(duì)人體肝臟產(chǎn)生危害。</span> </p> <p> <span style="font-size:16px;">有研究表明，過(guò)量攝入苯甲酸鈉可能導(dǎo)致腹瀉、及心跳加速等癥狀，四川防腐劑經(jīng)銷商。少量的苯甲酸鈉會(huì)在人體代謝中經(jīng)由肝臟排出體外，對(duì)人體無(wú)，四川防腐劑經(jīng)銷商，所以應(yīng)該嚴(yán)格控制苯甲酸鈉的使用量。下表為GB2760-2014《食品安全國(guó)家標(biāo)準(zhǔn)食品添加劑使用標(biāo)準(zhǔn)》中規(guī)定的苯甲酸及其鈉鹽的使用量。</span><span style="font-size:16px;"></span> 防腐劑報(bào)價(jià)，食品防腐劑現(xiàn)貨供應(yīng)湖北福潤(rùn)德食品原料有限公司。四川防腐劑經(jīng)銷商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川防腐劑經(jīng)銷商,防腐劑" src="https://tyunfile.71360.com/UploadFile/hubeifrd/637347498710058594/9440323.png"></div><h1> <span style="font-size:16px;">食品防腐劑的性質(zhì)、作用機(jī)理、分類及選用原則</span> </h1> <p> <br /> </p> <p> <span style="font-size:16px;">一、食品的變質(zhì)</span> </p> <p> <span style="font-size:16px;">食品在化學(xué)或物理性質(zhì)上發(fā)生的不利改變都稱為食品變質(zhì)。造成食品變質(zhì)的原因包括物理、化學(xué)和生物三個(gè)方面。由于微生物的作用使食品發(fā)生了有害變化，降低或失去了原有的或應(yīng)有的營(yíng)養(yǎng)價(jià)值和商品價(jià)值的過(guò)程被稱為食品的變質(zhì)。食品變質(zhì)是微生物的污染、食品的性質(zhì)和環(huán)境條件綜合作用的結(jié)果。</span> </p> <p> <span style="font-size:16px;">1、微生物的污染</span> </p> <p> <span style="font-size:16px;">引起食品變質(zhì)的微生物種類很多，有各種細(xì)菌、霉菌和酵母菌。例如嗜熱脂肪芽孢桿菌就是常見(jiàn)的導(dǎo)致食品的微生物之一，可導(dǎo)致罐藏食品平酸。微生物引起食品變質(zhì)的類型包括：細(xì)菌引起的變質(zhì)、霉菌引起的變質(zhì)以及食品發(fā)酵。</span> </p> <p> <span style="font-size:16px;">2、食品的性質(zhì)</span> </p> <p> <br /> </p> <p> <span style="font-size:16px;">食品變質(zhì)的程度和快慢也與食品本身的營(yíng)養(yǎng)成分、水分、 pH值、酶和滲透樂(lè)等因素有關(guān)。例如，食品的 pH值為6時(shí)適合微生物增殖，pH＜4.5時(shí)可多種細(xì)菌的生長(zhǎng)；含水量高的食品比含水量低的食品容易，當(dāng)水分活度＜0.7時(shí)，一般微生物不能繁殖；高滲透可以微生物的生命活動(dòng)，10％鹽漬或60％糖漬的食品可耐保藏。</span> </p> <p> <br /> </p> <span style="font-size:16px;"></span> <p> <br /> 四川防腐劑經(jīng)銷商食品防腐劑報(bào)價(jià)，食品防腐劑現(xiàn)貨供應(yīng)湖北福潤(rùn)德食品原料有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川防腐劑經(jīng)銷商,防腐劑" src="https://tyunfile.71360.com/UploadFile/hubeifrd/637347498811484375/7270181.png"></div><h1> <span style="font-size:16px;">科學(xué)理性看待食品防腐劑</span> </h1> <p> <span style="font-size:16px;">一、什么是食品防腐劑？</span> </p> <p> <span style="font-size:16px;">顧名思義，食品防腐劑是指一類加入食品中能防止或延緩食品的食品添加劑，其本質(zhì)是具有微生物增殖或殺死微生物的一類化合物。食品防腐劑應(yīng)具備幾個(gè)特征：首先是性質(zhì)穩(wěn)定，在一定的時(shí)間內(nèi)有效；其次使用過(guò)程中或分解后無(wú)毒，不阻礙胃腸道酶類的正常作用，也不影響腸道正常菌群的活動(dòng)；再者，在較低濃度下有抑菌或殺菌作用；，其本身無(wú)刺激味和異味，使用方便等。</span> </p> <p> <span style="font-size:16px;">二、食品防腐劑的種類</span> </p> <p> <span style="font-size:16px;">《食品安全國(guó)家標(biāo)準(zhǔn)食品添加劑使用標(biāo)準(zhǔn)》（GB 2760-2014）允許在食品中添加的防腐劑共有27種。按其來(lái)源可分為天然防腐劑和合成防腐劑，其中以合成防腐劑的商業(yè)化應(yīng)用廣。按照化學(xué)成分可分為有機(jī)防腐劑（如苯甲酸及其鹽類、山梨酸及其鹽類、對(duì)羥基苯甲酸及其酯類、乳酸等）和無(wú)機(jī)防腐劑（如亞硫酸及其鹽類、二氧化碳、亞硝酸鹽類、游離氯及次氯酸鹽等）。</span> </p> <p> <span style="font-size:16px;">不同防腐劑，或者同一種防腐劑的不同濃度，在應(yīng)用于不同的食品，或者針對(duì)不同的微生物種類等時(shí)，其產(chǎn)生的作用和效果并不一樣。因此，不同食品在加工制造、儲(chǔ)存運(yùn)輸中需要使用不同的防腐劑。人們發(fā)現(xiàn)常規(guī)的熱殺菌技術(shù)與防腐劑組合使用，可以有效避免古法保藏和罐藏的缺陷。</span> </p> <p> <br /> </p><h1> <span style="font-size:16px;">食品防腐劑分為兩大類</span> </h1> <p> <span style="font-size:16px;">I類防腐劑是常見(jiàn)的鹽、糖、葡萄糖、葡萄糖、香料醋或醋酸、蜂蜜、可食用植物油；</span> </p> <p> <span style="font-size:16px;">II類防腐劑是苯甲酸，硝酸鹽或亞硝酸鈉或鉀鹽等，其在火腿中為常見(jiàn)。苯甲酸鈉主要用于果汁、腌菜和軟飲料，以防止酸性食物中的微生物生長(zhǎng)；苯甲酸主要用于果汁、碳酸飲料和泡菜；二氧化硫和亞硫酸鹽可以霉菌和細(xì)菌，也可以細(xì)菌的產(chǎn)生，可以用來(lái)控制不受歡迎的細(xì)菌和野生酵母，而不會(huì)影響到二氧化硫耐受培養(yǎng)的酵母；氯化鈉作為防腐劑，已經(jīng)被使用了幾個(gè)世紀(jì)，以防止食物的變質(zhì)，鹽的活性與它降低水活性的能力有關(guān)，從而影響微生物的生長(zhǎng)；乳酸鏈球菌素主要用于革蘭氏陽(yáng)性菌的生長(zhǎng)；食物酸可以使味道更“鋒利”，同時(shí)也起到防腐劑和抗氧化劑的作用。常見(jiàn)的食物酸包括醋、檸檬酸、酒石酸、蘋果酸、富馬酸和乳酸。山梨酸和山梨酸鹽對(duì)酵母和霉菌有效，山梨酸鹽可以在葡萄酒、果汁、干果、白干酪、肉類和魚(yú)類產(chǎn)品中酵母菌的生長(zhǎng)；在可樂(lè)軟飲料中使用磷酸來(lái)降低pH值。醋酸用于蛋黃醬和沙拉醬中，類似的功能還有檸檬酸、酒石酸、蘋果酸和乳酸；直鏈羧酸、丙酸和酸二酸，主要利用它們的性能；丙酸主要利用抗的特性。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 食品防腐劑哪有賣，食品防腐劑現(xiàn)貨供應(yīng)湖北福潤(rùn)德食品原料有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川防腐劑經(jīng)銷商,防腐劑" src="https://tyunfile.71360.com/UploadFile/hubeifrd/637347498744326172/5475287.png"></div><h1> <span style="font-size:16px;">防腐劑選用原則</span> </h1> <p> <span style="font-size:16px;">一般情況下，一種理想的防腐劑應(yīng)具備以下特點(diǎn)：</span> </p> <p> <span style="font-size:16px;">①符合衛(wèi)生標(biāo)準(zhǔn)，與食品不發(fā)生化學(xué)反應(yīng)；</span> </p> <p> <span style="font-size:16px;">②效果好，使用量少，殺菌效率高，對(duì)多種微生物起作用；</span> </p> <p> <span style="font-size:16px;">③對(duì)人類及動(dòng)物、植物等安全性高，無(wú)傷害或低傷害；</span> </p> <p> <span style="font-size:16px;">④使用時(shí)效長(zhǎng)，較長(zhǎng)時(shí)間內(nèi)防腐性能穩(wěn)定；</span> </p> <p> <span style="font-size:16px;">⑤穩(wěn)定性高，抗外界影響能力強(qiáng)；</span> </p> <p> <span style="font-size:16px;">⑥方便添加，使用簡(jiǎn)單，價(jià)格便宜；</span> </p> <p> <span style="font-size:16px;">⑦動(dòng)物性好，無(wú)特殊顏色或氣味，對(duì)人體無(wú)不良反應(yīng)，環(huán)保易循環(huán)降解；</span> </p> <p> <span style="font-size:16px;">防腐劑是指一類加入食品中能防止或延緩食品的食品添加劑，其本質(zhì)是具有微生物或殺死微生物的一類化合物。<br /> </span> 食品級(jí)防腐劑怎么用，食品防腐劑現(xiàn)貨供應(yīng)湖北福潤(rùn)德食品原料有限公司。四川防腐劑廠商</p><p style="text-indent:25px">食品級(jí)防腐劑廠家，食品防腐劑現(xiàn)貨供應(yīng)湖北福潤(rùn)德食品原料有限公司。四川防腐劑經(jīng)銷商</p><h1> <span style="font-size:16px;">防腐劑的分類</span> </h1> <p> <span style="font-size:16px;">按照防腐劑抗微生物的主要作用性質(zhì)，可將其大致分為具有殺菌作用的殺菌劑和*具抑菌作用的抑菌劑。實(shí)際上，殺菌或抑菌并無(wú)界限，同一物質(zhì)，濃度高時(shí)可殺菌，而濃度低時(shí)只能抑菌，作用時(shí)間長(zhǎng)可殺菌，作用時(shí)間短則只能抑菌。另外，由于各種微生物性質(zhì)的不同，同一物質(zhì)對(duì)一種微生物具有殺菌作用，而對(duì)另一種微生物可能*有抑菌作用。</span> </p> <p> <span style="font-size:16px;">按照防腐劑的應(yīng)用對(duì)象，可分為魚(yú)類、肉類防腐劑，面包、糕點(diǎn)防腐劑，飲料、醬料防腐劑，水果、蔬菜防腐劑，谷物、干果防腐劑等。</span> </p> <p> <span style="font-size:16px;">按照防腐劑的來(lái)源可分為化學(xué)合成防腐劑和天然防腐劑兩大類。</span> </p> <p> <span style="font-size:16px;">化學(xué)合成防腐劑包括酸型、酯型和無(wú)機(jī)鹽型。在食品工業(yè)中，酸型防腐劑常用的有苯甲酸及其鹽類、山梨酸及其鹽類以及丙酸等。酸性防腐劑具有應(yīng)用體系酸性越強(qiáng)、防腐效果越佳的特點(diǎn)，而在堿性條件下，酸性防腐劑幾乎沒(méi)有防腐效果。</span> </p> <p> <span style="font-size:16px;">在食品工業(yè)中，酯類防腐劑常用的有尼泊金酯類防腐劑及抗壞血酸棕櫚酸酯防腐劑。酯型防腐劑的特點(diǎn)是：低毒廣譜，對(duì)人體危害弱，且在很寬的 pH值范圍內(nèi)使用都有效。</span> 四川防腐劑經(jīng)銷商</p><p style="text-indent:25px">湖北福潤(rùn)德食品原料有限公司致力于食品、飲料，是一家貿(mào)易型的公司。湖北福潤(rùn)德食品致力于為客戶提供良好的增稠劑，甜味劑，營(yíng)養(yǎng)強(qiáng)化劑，防腐劑，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造食品、飲料良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1519438.html</p></div></div></div></div></div><div id="gkxug7i" class="page-right twoColRt"><div id="vfsp333" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="h7z3xra" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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