L-threonine is isolated and identified from fibrin hydrolysate.

Description

L-threonine is isolated and identified from fibrin hydrolysate. It has been proved to be the last essential amino acid found. It is the second or third limiting amino acid of livestock and poultry. It plays an extremely important physiological role in animals.

L-THREONINE FEED GRADE 98.5%
PACKAGE: 3240BAGS		BATCH NO: 190316
NET WEIGHT: 81,000KGS		TEST DATE: 2019-03-04
GROSS WEIGHT: 81,648KGS		PRODUCTION DATE: 2019-03-02
STANDARD: GB/T21979-2008		EXPIRY DATE: 2022-02-27
SANITARY INSPECTION NO: 1500FA014
ITEM	UNIT	STANDARD	TEST RESULTS
L-THREONINE Content (dry basis)%	%	≥98.5	98.5
Specific Rotation	[a]D²⁰	-26.0^°~ -29.0^°	-27.7^°
Loss on Drying	%	≤1.0	0.2
Residue on Ignition	%	≤0.5	0.1
Arsenic (as As)	Mg/kg	≤2.0	<2.0
Heavy Metals (as pb)	Mg/kg	≤20	< 20
Cadmium (Cd)	Mg/kg	≤0.5	＜0.5
PH	--	4.5~6.5	5.3
CONCLUSION: QUALIFIED

Applications

The dosage of L-threonine in feed additives increases rapidly. It is often added to the feed of juvenile piglets and poultry. It is the second limiting amino acid of pig feed and the third limiting amino acid of poultry feed. Adding L-threonine into formula feed has the following characteristics:
1. It can adjust the amino acid balance of feed and promote the growth of livestock;
2. It can improve meat quality;
3. It can improve the nutritional value of feed with low amino acid digestibility;
4. It can reduce the cost of feed raw materials; Therefore, it has been widely used in the feed industry in EU countries (mainly Germany, Belgium, Denmark, etc.) and American countries.