Etiket Arşivleri: Riboflavin

A Biological Process For The Production of Riboflavin ( Team Riboflavulous )

A Biological process for the production of Riboflavin

Outline:

 Introduction

 Market

 Chemical Vs biological method

 Environmental impact

 Main process

 Waste treatment

 Mass balance

 Merits of our system

 Future prospects

Introduction to riboflavin (1)

 Riboflavin ( vitamin B2)

 Molecular formula C17H20N4O

 Yellow-orange

 Sparingly soluble in water

 Forms crystals in <30oC water

 Light-sensitive

Introduction to riboflavin (2)

 Precursor of Co-enzymes
– flavin adenine dinucleotide (FAD)
– flavin mononucleotide

 Deficiency results in metabolic and skin disorders

 Riboflavin is mainly used as a food supplement for both human and animals.

Market

 World demand is estimated to be at 6,000 tons p.a.

 Major producers are Roche, BASF and China’s Hubei Guangji Pharmaceutical

 Feed-grade (80% ) sells at US $30/kg

 pharmaceutical-grade (98%) sells at US $50/kg.


Vitaminler ( Doç. Dr. Neriman BAĞDATLIOĞLU )

VİTAMİNLERİN SINIFLANDIRILMASI

YAĞDA ÇÖZÜNENLER
SUDA ÇÖZÜNENLER
Vitaminlerin keşif tarihleri ve kaynakları
A VİTAMİNİ (RETİNOL)
Tablo: Bazı gıdaların A vitamini ve Karoten içerikleri
D VİTAMİNİ
Bazı gıdaların D vitamini içerikleri
E VİTAMİNİ (TOKOFEROLLER)
Tokoferol ve Tokotrienoller
E VİTAMİNİNCEZENGİN KAYNAKLAR (mg alfa tokoferolasetat / 100 g)
K VİTAMİNİ
Fillakinon (K-1 vitamini)
K-2 Vitamini (menakinon)
Tablo: Bazı gıdalardaki K vitamini Ünite/100 g
SUDA ÇÖZÜNEN VİTAMİNLER
B 1 VİTAMİNİ (Aneurin, Thiamin)
Bazı Gıdaların Tiaminİçeriği mg/100 g
B2 VİTAMİNİ (Riboflavin, Laktoflavin)
B6 VİTAMİNİ (Pyridoksin)
NİASİN
B-5 PANTOTENİK ASİT
BİOTİN (H Vitamini)
B12 VİTAMİNİ (Siyanokobalamin)
C VİTAMİNİ ( Askorbik asit)

Kaynak: http://www2.bayar.edu.tr/muhendislik/gida/docs/databank/vitaminler.pdf