أحادي نوكليوتيد الفلافين

أحادي نوكليوتيد الفلافين
Skeletal formula of flavin mononucleotide
Skeletal formula of flavin mononucleotide
Ball-and-stick model of the flavin mononucleotide molecule
Ball-and-stick model of the flavin mononucleotide molecule
أسماء أخرى

FMN

المعرفات
رقم CAS 146-17-8 ☑Y
بوب كيم (PubChem) 643976
مواصفات الإدخال النصي المبسط للجزيئات
  • Cc1cc2c(cc1C)n(c-3nc(=O)[nH]c(=O)c3n2)C[C@@H]([C@@H]([C@@H](COP(=O)(O)O)O)O)O

  • 1S/C17H21N4O9P/c1-7-3-9-10(4-8(7)2)21(15-13(18-9)16(25)20-17(26)19-15)5-11(22)14(24)12(23)6-30-31(27,28)29/h3-4,11-12,14,22-24H,5-6H2,1-2H3,(H,20,25,26)(H2,27,28,29)/t11-,12+,14-/m0/s1 ☑Y
    Key: FVTCRASFADXXNN-SCRDCRAPSA-N ☑Y
الخواص
الصيغة الجزيئية C17H21N4O9P
الكتلة المولية 456.344 g/mol
نقطة الانصهار 195 °C
في حال عدم ورود غير ذلك فإن البيانات الواردة أعلاه معطاة بالحالة القياسية (عند 25 °س و 100 كيلوباسكال)
تعديل مصدري - تعديل  طالع توثيق القالب

أحادي نوكليوتيد الفلافين[1] أو فلافين وحيد النوكليوتيد[1] (بالإنجليزية: flavin mononucleotide)‏ ويُدعى اختصارًا FMN، هي مادة حيوية تنتج من فيتامين ب2 (ريبوفلافين). وهي تعمل كمرافق إنزيمي في عمليات أكسدة مختلفة في معظم الكائنات الحية، مثل نازعة أن-أي-دي-إتش في سلسلة التنفس التي تتم في متقدرات الخلايا. خلال دورة تفاعلات محفزة يتحول أحادي نوكليوتيد الفلافين FMN المتأكسد إلى FMNH· (سيميكينون) ، كما يُختزل مرة ثانية ليصبح (FMNH2).

الفلافين أحادي النوكليوتيد هي مادة مؤكسدة وهي أشد في ذلك من NAD ، وهي تشترك تفاعلات تنتقل خلالها 2 من الإلكترونات ، وأحيانا ينتقل خلالها إلكترون واحد.[2]

استخدامه كمادة ملونة

أحادي نوكليوتيد الفلافين يسمى أيضا بالإنجليزية Riboflavin-5'-phosphat ؛ لونه أصفر ويستخدم كثيرا في الصناعات الغذائية . ولذلك يحضر اصطناعيا من الريبوفلافين. يستخدم في تصنيع الأطعمة مثل الأيسكريم والحلويات و الجبن والمايونيز والمعجنات . لم توجد له أعراض جانبية على صحة الإنسان . أدرجه الإتحاد الأوروبي في القائمة كمادة غذائية مكملة ، وعرّفته بالمادة الغذائية E 101a ( وكان من قبل يسمى E 107 ) .

المراجع

  1. ^ ا ب "Al-Qamoos القاموس - English Arabic dictionary / قاموس إنجليزي عربي". www.alqamoos.org. مؤرشف من الأصل في 2018-01-27. اطلع عليه بتاريخ 2018-01-26.
  2. ^ "Current EU approved additives and their E Numbers", Food Standards Agency website, retrieved 15 Dec 2011 نسخة محفوظة 7 فبراير 2012 على موقع واي باك مشين.

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