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DMPT(Dimethyl-beta-propiothetin)
4th generation aquatic food attractant
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CAS
4337-33-1
Other Names
beta-Dimethylsulfoniopropionate,Dimethyl-beta-propiothetin,Dimethylsulfoniopropionate
CAS NO
4337-33-1
Place of Origin
China
Dosage Form
Powder
Molecular formula:
C5H11SO2Cl
Molecular Weight
170.66
Main Ingredient
Dimethyl-beta-propiothetin
Color
White
Purity
≥98.5%
Certificate
ISO9001
Shelf Life
Two Years
Appearance
White crystalline powder
Grade
Food Grade
MOQ
25kg
Packaging & Delivery
In bags or cardboard drums
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Application Summary




DMPT is the new generation of aquatic food attractant with the best effect so far. Some people use "fish biting a stone" to describe its attractant effect-even if this kind of thing is painted on a stone, the fish will bite the stone. 



    

The most typical use of DMPT is to be used as bait for fishing, to improve the attractivity of bait and make fish easy to bite.
   The industrial use of DMPT is as a green aquatic feed additive to promote the feeding of aquatic animals and increase their growth rate.



    The similarities and differences between DMPT and DMT




At present, the product of Dimethyl-beta-propiothetin (DMPT) on the domestic market is a mixed bag. Many dishonest merchants often use similar product Thiobetaine (DMT) to pretend to be Dimethyl-beta-propiothetin (DMPT), it is necessary to distinguish the concepts of DMPT and DMT:



Different chemical names




    DMPT is Dimethyl-beta-propiothetin, while the chemistry of DMT is Thietidine dimethylacetate; the two are not the same compound at all, nor the same product.
    Different appearance and smell



Dimethyl-beta-propiothetin (DMPT) is a pure white powder crystal, while Thiobetaine (DMT) is a white needle-like crystal (or granular crystal).
   Both Dimethyl-beta-propiothetin (DMPT) and Thiobetaine (DMT) have the fishy smell of the raw material dimethyl sulfide, and the fishy smell of Thiobetaine (DMT) is less than that of Dimethyl-beta-propiothetin (DMPT) and both have an unpleasant pungent taste.
    Different attractants



The effect of DMPT is better than that of DMT, which is proved by experimental data.



   Different forms of existence in nature



   The real DMPT is not only widely present in seaweeds, but also in wild fish and shrimps, and is widely present in nature; while DMT does not exist in nature and is a purely chemically synthesized substance.


Different flavors of farmed aquatic products



Dimethyl-beta-propiothetin (DMPT) is a characteristic substance that distinguishes marine fish from freshwater fish, and is one of the flavor substances that make marine products taste like seafood instead of freshwater fish. Fish and shrimp fed with Dimethyl-beta-propiothetin (DMPT) have a meat quality close to the taste of natural wild fish and shrimp, but DMT cannot achieve this effect.



  Mechanism of DMPT



    Food attractiveness



Dimethyl-beta-propiothetin (DMPT) can accept the stimulation of low concentrations of chemicals in the water body through the sense of smell of aquatic animals. It can distinguish chemical substances and is extremely sensitive. Contact area to improve the sensitivity of smell. Therefore, fish, shrimp, and crabs have a strong physiological mechanism for attracting the special smell of DMPT. DMPT follows the unique habits of aquatic animals to increase the frequency of aquatic animals' feeding. 



As a growth-promoting agent for aquatic animals, it can significantly promote the feeding behavior and growth of a variety of freshwater fish, shrimps and crabs. Increase the number of aquatic animal bites, and its feeding stimulation effect is 2.55 times higher than that of glutamine (glutamine is the best known feeding stimulant for most freshwater fish before DMPT).



    High-efficiency methyl donor, promoting growth



    The (CH3)2S- group on the Dimethyl-beta-propiothetin (DMPT) molecule has the function of a methyl donor and is effectively used by aquatic animals to promote the secretion of digestive enzymes in the animal’s body and promote the growth of fish. Digestion and absorption of nutrients to improve feed utilization
    Improve anti-stress ability and anti-osmotic pressure



   Improve aquatic animals' exercise capacity and anti-stress effects (high temperature and hypoxia tolerance), improve the adaptability and survival rate of juvenile fish, and can be used as a buffer for osmotic pressure in the body to improve the endurance of aquatic animals to sudden changes in osmotic pressure.



 Ecdysone-like effects



    Dimethyl-beta-propiothetin (DMPT) has a strong decoating element-like activity, which increases the speed of dehulling of shrimp and crab, especially in the middle and late stages of shrimp and crab breeding. Molting and growth-promoting mechanism: Crustaceans can synthesize Dimethyl-beta-propiothetin (DMPT) by themselves. The current research shows that for shrimp, Dimethyl-beta-propiothetin (DMPT) It is a new water-soluble dehulling hormone analogue, which promotes the growth rate of shrimp by promoting dehulling. Dimethyl-beta-propiothetin(DMPT) is an effective ligand for aquatic taste receptors. It has a strong stimulating effect on the taste and olfactory nerves of aquatic animals, thereby accelerating the feeding rate of aquatic animals and improving the response of aquatic animals feed intake under stress.         



Liver protection function



Dimethyl-beta-propiothetin (DMPT) has a liver-protective function, which can not only improve the health of animals, reduce the visceral/weight ratio, and improve the edibility of aquatic animals.



    Improve meat quality



    Dimethyl-beta-propiothetin (DMPT) can improve the meat quality of aquaculture products, make freshwater varieties present a seafood flavor, and increase economic value.



   Antibacterial effect



    Dimethyl-beta-propiothetin  (DMPT) also has health care and antibacterial effects similar to "allicin".



    Efficacy characteristics



  1.Dimethyl-beta-propiothetin (DMPT) is a naturally occurring sulfur compound and is the fourth generation aquatic food attractant. Dimethyl-beta-propiothetin(DMPT) is 1.25 times that of choline chloride, 2.56 times of betaine, 1.42 times of methylmethionine, and 1.56 times of glutamine. Glutamine is one of the most effective amino acid attractants, and Dimethyl-beta-propiothetin (DMPT) has better effects than glutamine; extracts from squid viscera and earthworms have a feeding effect. The main reason is that it has a variety of amino acids; scallops can also be used as a food attractant, but its umami taste is derived from Dimethyl-beta-propiothetin (DMPT); Studies have shown that Dimethyl-beta-propiothetin (DMPT) is currently the best attractant.



2. The growth-promoting effect of Dimethyl-beta-propiothetin (DMPT) is 2.5 times that of semi-natural bait without adding attractant



3. Dimethyl-beta-propiothetin (DMPT) can also improve the meat quality of cultured species and make freshwater species present a seafood flavor, thereby increasing the economic value of freshwater species.



4. Dimethyl-beta-propiothetin(DMPT) is also a dehulling hormone substance, which has obvious effect on the dehulling of shrimps and crabs and other aquatic animals to accelerate the dehulling speed.



Dimethyl-beta-propiothetin (DMPT) provides more space for some relatively inexpensive protein sources.



2. Dosage and residual problems



Applicable objects】: Freshwater fish: carp, crucian, eel, eel, rainbow trout, tilapia, etc.; sea fish: large yellow croaker, red sea bream, turbot, etc.; crustaceans: shrimp, crab, etc.  



Dosage】:Add 0.2-0.4 grams of pure product per kilogram of feed, and the recommended dosage for fishing is 0.5-1 grams. It is effective when the water temperature is high in spring, summer and autumn and mild hypoxia. It performs well in low-oxygen waters, gathers many fish and lasts for a long time. This product can be added to feed in various forms, such as premix, concentrated feed, etc. The scope is not limited to aquatic feed, but also includes fishing bait. This product can be added directly or indirectly, as long as the attractant can be mixed with the feed evenly.



Recommended dosageShrimp: 200-300g/ton full price feed; fish: 50-100g/ton full price feed.



Residual problem】:DMPT is a naturally occurring substance in aquatic animals. There is no residual problem and can be used for a long time.



Packing:25kg.



Type of packaging】:In bags or cardboard drums.



Storage:Sealed, stored in a cool, ventilated, dry place, and pay attention to moisture.



Shelf life:Two Years.



Content】:≥98.5%



Loss on drying≤1.0%



AttentionDMPT is an acidic substance, avoid direct contact with alkaline additives




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