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L-Tryptophan feed grade
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FAQ

  • Quality Assurance

    ISO, FAMIQS, SGS, FDA

  • Package

    Phosphate: 25kg/bag, 50kg/bag, 1100kg/bag, 1200kg/bag, 1250kg/bag or as your request.
    Trace element: 25kg/bag, 50kg/bag, 1200kg/bag, 1350kg/bag or as your request.
    Amino acid:25kg/bag, 600kg/bag or as your request.
    Vitamin:1kg/bag, 25kg/bag, 25kg/drum ect.
    Protein: 25kg/bag, 50kg/bag, 600kg/bag, Unpackaged or as your request.
  • Delivery Time

    About 10-30days.
  • Modes of transport

    By air, by sea or by train.

  • Payment Term

    Pre-T/T OR LC at sight.
  • How do you treat quality complaint?

    First of all, our quality control will reduce the quality problem to near zero.
    If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
  • Is there a discount?

    Good payment support and more quantity can have chance to apply discount.
     
  • How to confirm the Product Quality before placing orders?

    →about this question,Polifar has three method to solve your concern:
     
    1.You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
     
    2.You can send us your product specifications and requests,we will manufacture the products according to your requests.
     
    3.We can accept you arrange preshipment inspection before shipment.of course,if order quantity exceed 100mts,we can apply free SGS test for first business.
  • Can i get some samples?

    Yes, we can supply the free sample, however ,to show sincerity,wish the International courier fee be paid by our customers. Later, we will deduct the  shipping cost from our first sucess order.

L-Tryptophan feed grade

5 0 Reviews

Color: Light yellow
Material: corn
Sales Models: wholesale
Min Order: 20mt
Shelf Life: two years when properly stored
Packing: net 25kg/50kg/600kg in Plastic woven bags with PE lining
Storage: stockpiled at the ventilated place, avoiding rain, moisture and insolation. Please handle with care
to prevent bag damage, store away from toxic substances.

  • Assay/% ≥98.00
  • POLIFAR
  • 293399

Product name: L-Tryptophan feed grade
Chemical formula: C4H9NO3

CAS: 73-22-3

Product performance:

L-Tryptophan is one of essential amino acids and the fourth limiting amino acid in animal diets, which means it could not be synthesized by the body, in addition, dietary supply through feed materials is usually insufficient.

The deficiency of L-Tryptophan was generally characterized as decreased feed intake and efficiency, and slow growth rate. Considering L-Tryptophan playing a key role in growth performance and feed efficiency, it is recommended to add L-Tryptophan in diet to achieve the optimal amino acid balance and fulfill the digestible tryptophan requirement of animals, especially piglets, sows and poultry etc.

Storage: Stockpiled at the ventilated place, avoiding rain, moisture and insolation. Please handle with care to prevent bag damage, store away from toxic substances.

Packing:Net 20kg kraft paper bag or Net 20kg in Plastic woven bags with PE lining

Loading:10MT/20FCL' ;9.2MT/20FCL' with pallets, 20MT/40FCL' with pallets

Shelf Life: Two years when properly stored


Testing   Item

Standard

Result

Appearance

White to light yellow crystal powder

conforms

Assay/%

≥98.00

99.10

Specific   Rotation

-29.0°   -32.8°

-29.3°

Residue   on Ignition/%

≤0.50

0.40

Loss   on Drying/%

≤0.50

0.30

Heavy   Metal(Pb)/%

≤5

<5

Arsenic(As)/%

≤2

conforms

Mercury(Hg)/%

≤0.1

conforms

Cadmium(Cd)/%

≤2

conforms

Salmonella

Negative in 10g

conforms

PH

5.0~7.0

conforms


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