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Описание: Cyanocobalamin-vitamin B12:<br>1) Standard: CP2005 BP2004 USP28 EP5.0<br>2) Crimson crystals or crystalline powder, flavorless and tasteless<br>3) Gradually hygroscopicity<br>4) Easily decomposed when exposed to light<br>5) Slightly soluble in water or ethanol, insoluble in acetone chloroform and ether<br>6) Function megaloblstic annemia, malnutrition, posthemorrhagic anemia, neuralgia<br>and disturbance<br>7) Packing: 1,000g/tin, 500g/tin, 100g/tin<br>8) Shelf life: 5 years<br><br>Mecobalamin-vitamin B12:<br>1) Standard: JPXIV<br>2) Dark red crystals or crystalline powder<br>3) Slightly soluble in water and practically insoluble in acetonitrile<br>4) Affected by light<br>5) Packing: 1,000g/tin, 500g/tin, 100g/tin<br>6) Shelf life: 2 years<br><br>Precaution: peripheral neuropathies (diabetic and alcoholic neuropahty, drug induced neuropathy, lumbago, intercostal neuralgia and diabetic retinopahty, entrapment neuropahty and other neuropathies)<br><br>Vitamin B12 feed additive:<br>1) Standard: GB9841-88<br>2) Specification: 1%, 0.1%, 5%, 10%<br>3) Character: pale red powder, hygroscopic carrier corn starch, mannitol, lactose,<br>Di-calcium phosphate<br>4) Packing: 1kg/aluminum foil bag, 20kg/carton, 25kg/drum<br>5) Shelf life: 2 years<br><br>Precaution:<br>1) Growth retardation, low transformed efficiency of feed, pellagra, infectious<br>dermatitis, poor fledging<br>2) It can adjust nervous system, improve hematopoietic function of the body,<br>treat anemia and protect the liver<br>3) It is effective to treat fatty liver, hepatic necrosis, and especially effective to<br>hepatic damage due to long-term use of antibiotics<br>4) Low rate of incubation, high rate of dead embryos, breeding difficulty of sows,<br>disturbance in the growth of hind legs of piglets, it can meet the need for VB12<br>of fish and shrimp, prevent from deficiency in VB12 and from irritability, improve<br>immunocompetence, facilitate the transformation of nutrient in feed, and improve<br>growth rate, survival rate and reproduction rate
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