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	<title>FE40 &#8211; MEBEP Bio Science</title>
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		<title>Food-grade 537 Acid Protease</title>
		<link>https://www.mebep.com/industrial-enzyme/food-grade-537-acid-protease/</link>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Tue, 23 Dec 2025 09:07:46 +0000</pubDate>
				<category><![CDATA[Food enzyme]]></category>
		<category><![CDATA[Industrial Enzyme]]></category>
		<category><![CDATA[FE40]]></category>
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					<description><![CDATA[FE40, Food-grade 537 Acid Protease. This product is refined through deep liquid fermentation of selected strains. It efficiently catalyzes protein hydrolysis under low ]]></description>
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<p><a href="https://www.tinzyme.com/man/FE40.pdf" target="_blank" rel="noreferrer noopener">Manual</a></p>



<p><strong>Product Number: FE40</strong></p>



<p><strong>Shipping and Storage</strong></p>



<ol class="wp-block-list">
<li>This product is an active biological agent. During transportation and storage, it should be kept away from light, at low temperatures, dry, and ventilated.</li>



<li>This product is originally packaged in a cool and dry environment, with a shelf life of 12 months.</li>
</ol>



<p><strong>Component</strong></p>



<figure class="wp-block-table"><table class="has-fixed-layout"><tbody><tr><td>Component</td><td>FE40</td></tr><tr><td>Food-grade 537 Acidic Protease</td><td>25kg/barrel</td></tr></tbody></table></figure>



<p><strong>Description</strong></p>



<p>This product is refined through deep liquid fermentation of selected strains. It efficiently catalyzes protein hydrolysis under low pH conditions by acting on the amide bonds in protein molecules, breaking proteins down into peptides and amino acids. As a solid product, it exhibits excellent temperature resistance and maintains strong enzymatic activity even at lower pH levels.</p>



<p><strong>Application</strong></p>



<p>This product can be widely used in animal protein processing, grain production of alcohol, brewing industry and other fields.</p>



<ol class="wp-block-list">
<li>Applied in the animal protein processing industry and aquatic product processing industry, it can improve the effective utilization rate of protein. Animal protein hydrolyzed by protease has the characteristics of strong meat texture, high alcohol thickness, and rich aroma.</li>



<li>Applied in the alcohol industry for grain production, it can promote yeast growth, improve fermentation speed, and increase the content of mature mash.</li>



<li>It can be used in the brewing of Baijiu, yellow rice wine, vinegar, soy sauce and other foods to promote the growth of bacteria, improve the fermentation ability of koji, improve the utilization rate of raw materials, and improve the flavor.</li>
</ol>



<p><strong>Appearance</strong></p>



<p>Light yellow solid powder. Due to factors such as fermentation materials and cycles, there may be slight differences in color, but it does not affect the effectiveness of use.</p>



<p><strong>Standard</strong></p>



<p>This product complies with the relevant provisions of GB 1886.174 "National Food Safety Standard - Food Additives - Enzyme Preparations for Food Industry". The specific product quality standards are as follows:</p>



<figure class="wp-block-table"><table class="has-fixed-layout"><tbody><tr><td colspan="2">Project<strong></strong></td><td>Indicator<strong></strong></td></tr><tr><td colspan="2">Fineness (40 target pass rate),%</td><td>≥80</td></tr><tr><td colspan="2">Dry weight loss,%</td><td>≤8.0</td></tr><tr><td colspan="2">Lead (Pb/(mg/kg)</td><td>≤5.0</td></tr><tr><td colspan="2">Total arsenic (calculated as As)/(mg/kg)</td><td>≤3.0</td></tr><tr><td colspan="2">Total colony count/(CFU/g)</td><td>≤50000</td></tr><tr><td colspan="2">Coliform bacteria/(CFU/g)</td><td>≤30</td></tr><tr><td rowspan="2">Escherichia coli</td><td>(CFU/g)</td><td>＜10</td></tr><tr><td>(MPN/g)</td><td>≤3.0</td></tr><tr><td colspan="2">Salmonella (25g)</td><td>Not detected</td></tr></tbody></table></figure>



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<h2 class="wp-block-heading">Get a quote</h2>



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