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عوامل تؤثر على طبيعة الفيتامينات وتركيزها في الطعام

Keep going التغذية والصحة 30 أكتوبر 2013

درجة حرارة الطهي طول فترة الطهي التعرض للهواء لفترة طويلة (التأكسد) التعرض للضوء مثل أشعة الشمس المباشرة حامضية وقلوية الطعام اضافة...

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لماذا تحب بعض الحشرات كالفراشات الضوء؟

Keep going الضوء 09 مارس 2013

ليس هناك تفسير علمي واحد للأمر لكن هناك عدة افتراضات أهمها:

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