طريقة تعقيم حليب البقر

06 فبراير 2013

هناك طريقتان للقضاء على الجراثيم في الحليب:

1- تعقيم الحليب: وهي إخضاع الحليب لمدة عشر - 12 دقيقة لدرجة حرارة الغليان.

وينبغي أولا تعقيم الزجاجات والسدادات بواسطة الحرارة الجافة، مثل الفرن، على

نفس درجة الحرارة، لمدة نصف ساعة أو نحو ذلك.

2- البسترة: وتتم بنفس الطريقة إلا أن درجة الحرارة المستخدمة 71- 76 مئوية.

معلومات ثقافية، معلومات علمية

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أخر المواضيع من قسم : معلومات ثقافية، معلومات علمية

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