b
Thank You！
Your requirement has been sent, we will contact you quickly!
Sent Failed！
Try again!
INTRODUCTION:
［Product］：L-Leucine
［Structural formula］： (CH3)2CHCH2CH(NH2)COOH
［Molecular formula］： C6H13NO2
［Molecular weight］：131.17
［Descriptions］: White crystal or crystalline powder. Odorless, taste slightly bitter, decomposition in approx. 337℃, slightly soluble in water, insoluble in ethanol.
［Applications］：It is used as food additive, dietary supplement, flavoring and flavoring agent
Quality standard of L-Leucine: FCC IV, CP, AJI97, or at Buyer’s option.
Item | Food grade | Pharmaceutical grade | |
Standard | FCC IV | CP95 | AJI 97 |
Content (dry basis) | 98.5％～101.5％ | ≥98.5% | 99.0%～100.5% |
Specific optical rotation | +14.5°～+16.5° | +14.5°～+16.0° | +14.9°～+16.0° |
Transmittance | - | ≥98% | ≥98% |
Chloride | - | ≤0.02% | ≤0.020 % |
Ammonium salt (NH4) | - | ≤0.02% | ≤0.02% |
Sulfate (SO4) | - | ≤0.03% | ≤0.020 % |
Ferric salt (Fe) | - | ≤0.003% | ≤0.001 % |
Heavy metal (Pb) | ≤20ppm | ≤10ppm | ≤10ppm |
As content | ≤2ppm | ≤2ppm | ≤1ppm |
Other amino acids | - | conforms | conforms |
Loss on drying | ≤0.20% | ≤0.3% | ≤0.20 % |
Residue on ignition | ≤0.10% | ≤0.1% | ≤0.10 % |
PH value | - | 5.5～6.5 | 5.5 ～ 6.5 |
［Packing］：Packed in craft paper bags or paperboard barrels of net 25KG each.
［Transportation］: Handle with care to avoid damage on packaging. Protect the product from sunlight and rains. Keep it away from poisonous and harmful substances in transit.
［Storage］: Keep in cool and dry place.
Manufacturing
