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HomeProduct name listFerrous Bisglycinate

Ferrous Bisglycinate

Ferrous Bisglycinate Structural

What is Ferrous Bisglycinate?

The Uses of Ferrous Bisglycinate

Ferrous Bisglycinate is an iron-amio acid chelate. In this the iron is protected from the action of absorption inhibitors by being bound to the amino acid and glycine.
Ferrous bisglycinate is the major amino acid chelate produced commercially, although ferrous trisglycinate and ferric glycinate are also available. A patented ferrous bisglycinate compound, manufactured by Albion Laboratories, Utah, USA, has been used in most published studies. The chelate is reported to be formed by two glycine molecules combining with ferrous iron in a double heterocyclic ring structure. Evidence would suggest that iron is protected from inhibitors by the structure, since iron absorption is one to 3.5 times higher than from ferrous sulfate when added to bread rolls and milk products containing inhibitors such as phytate and calcium. Ferrous bisglycinate is more bioavailable than ferrous trisglycinate.

The Uses of Ferrous Bisglycinate

Nutraceutical

The Uses of Ferrous Bisglycinate

Ferrous Bisglycinate is used in the fortification of infant formulations and foods.

Background

Ferrous bisglycinate is a chelate that is used as a source of dietary iron. Forming a ring structure when reacting with glycine, ferrous bisglycinate acts as both a chelate and a nutritionally functional . It is found in foods for food enrichment or in supplements for the treatment of iron deficiency or iron deficiency anemia.

Food additive

Amino acid chelates are recommended for milk and beverage products. Ferrous bisglycinate has Generally Recognized as Safe (GRAS) status but is relatively expensive and readily promotes fat oxidation in cereal foods unless an anti-oxidant is added, and causes undesirable color reactions in some foods. Four non controlled efficacy studies with ferrous bisglycinate fortified foods have reported a marked decrease in the prevalence of anemia or iron deficiency anemia in children or adolescents. Three studies made in Brazil reported good efficacy in fortified liquid milk, sweetened bread rolls and a whey based beverage, and a fourth study in Saudi Arabia reported good efficacy in an iron fortified flavored milk drink. Recently, fer- rous bisglycinate fortified bread made from high extraction flour resulted in small but significant increases in both hemoglobin and serum ferritin when fed in a randomized controlled design to South African schoolchildren. A longer feeding period with higher iron concentrations would probably have given more impressive results. The influence of ferrous bisglycinate on stored flour was not investigated in this study. The main disadvantage of ferrous bisglycinate is its high cost. A recent cost analysis showed the cost of ferrous bisglycinate, taking bioavailability into account, to be 7–18 times that of ferrous sulfate.

Food additive

Ferrous bisglycinate is well suited to the fortification of liquid whole milk and other dairy products where the use of ferrous sulfate causes rancidity off-flavours. However, ferrous bisglycinate can also cause rancidity by oxidizing fats in food, which can be a problem in cereal flours and weaning cereals unless an antioxidant is added as well. Furthermore, the bisglycinate is much more expensive than many other iron compounds.

Side Effects

Ferrous Bisglycinate is a novel amino acid iron chelate that is more bioavailable and has fewer gastrointestinal (GI) adverse effects than iron salts. Adverse effects such as constipation, diarrhoea, stomach cramps or upset stomach may occur with Ferrous Bisglycinate. However, usually these effects are temporary and can recover on their own. Iron may cause your faeces to become darker; this effect is harmless. In addition, in the event of a severe allergic reaction to the drug, you need to stop taking it immediately and contact your doctor.

Synthesis

600kg water is added in 1500L reactor, 150kg glycine, 1.5kg carbonyl iron dust, and heating is added under agitation. Stir for 20 minutes to 65 DEG C, then add 550kg ferrous sulfate heptahydrates, 37.5kg maltodextrins, 0.3kg silica, 78 DEG C reaction 30 minutes, reaction complete. Reaction solution sieves heat filtering with 100 mesh stainless sheets of steel, and the filtrate is dried with a pressure spray drying tower, obtained To yellowish-brown green powder Ferrous Bisglycinate 490kg.

Metabolism

Not Available

References

[1] Adelia C Bovell-Benjamin, Lindsay H Allen, Fernando E Viteri. “Iron absorption from ferrous bisglycinate and ferric trisglycinate in whole maize is regulated by iron status123.” American Journal of Clinical Nutrition 71 6 (2000): Pages 1503-1509.

Properties of Ferrous Bisglycinate

Melting point: >162°C (dec.)
Boiling point: 150℃ at 101kPa
Density  1.898 at 20℃
vapor pressure  0-0Pa at 20-25℃
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  Aqueous Acid (Slightly)
form  Solid
color  Pale Brown to Brown
Water Solubility  Water: 35.71 mg/mL (176.83 mM)
Stability: Hygroscopic
InChI InChI=1S/2C2H4NO2.Fe/c2*3-1-2(4)5;/h2*3H,1H2,(H,4,5);/q2*-1;+4/p-2

Safety information for Ferrous Bisglycinate

Computed Descriptors for Ferrous Bisglycinate

InChIKey MECJLZIFMOMXPW-UHFFFAOYSA-L
SMILES O=C1CN[Fe+2]2(NCC(=O)[O-]2)[O-]1

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