What is starch syrup ?

Liquid starch syrup

Starch can be hydrolyzed into simpler carbohydrates by acids, various enzymes, or a combination of the two. The resulting fragments are known as dextrins. The extent of conversion is typically quantified by dextrose equivalent (DE), which is roughly the fraction of the glucose bonds in starch that have been broken in the glucose syrup production.

These starch syrups are by far the most common starch based food ingredient and are used as sweetener in many drinks and foods. They include:

1. Maltodextrin, a lightly hydrolyzed (DE 10–20) starch product used as a bland-tasting filler and thickener.

2. Various glucose syrups (DE 30–70), also called corn syrups in the US, viscous solutions used as sweeteners and thickeners in many kinds of processed foods.

3. Dextrose (DE 100), commercial glucose, prepared by the complete hydrolysis of starch.

4. High fructose syrup, made by treating dextrose solutions with the enzyme glucose isomerase, until a substantial fraction of the glucose has been converted to fructose. Sweetener fructose is used in processed foods and beverages. Fructose also has better microbiological stability. One kind of high fructose corn syrup, HFCS-55, is sweeter than sucrose because it is made with more fructose, while the sweetness of HFCS-42 is on par with sucrose.

Our company can supply the complete glucose syrup production plant. The glucose syrup production plant can produce glucose syrup from corn or broken rice directly .

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How to produce glucose syrup from cassava starch ?

Cassava starch and glucose syrup

Glucose syrup, also known as candy glucose, is a kind sweet syrup made from the hydrolysis of starch. Maize /corn is commonly used as the source of the starch ,so the glucose syrup is called "corn syrup" . But glucose syrup is also made from other kind starch, such as cassava starch in cassava glucose plant. 

How to produce glucose syrup from cassava starch  ?

Cassava glucose plant

The production process of producing glucose syrup from cassava starch in cassava glucose plant is as below : 

(1) Starch milk adjustment process in cassava glucose plant

Starch milk coming from starch plant is adjusted to DS28-32% and proper pH and temperature. Or mix the dry starch with water to reach above condition for next section.

(2) Liquefaction process in cassava glucose plant

Starch milk is sent to buffer tank then liquefied by jet cooker with the aid of enzyme.

(3) Saccharification process in cassava glucose plant

The liquefied material is sent to enzyme saccharification tank for reaction. After being kept in holding tube the required DE value of the glucose will be reached. Then the material is sent to flash for cooling then to the neutralization tank for suitable pH value.

(4) Filtration and decoloring process in cassava glucose plant

Glucose is cleaned by removing the protein and other foreign items in rotary vacuum filter and filter press. Active carbon is needed for decoloring at proper temperature.

(5) Ion exchange process in cassava glucose plant

Tiny foreign items and bad odor is removed via ion exchanger. This equipment is used for high quality product.

(6) Evaporation process in cassava glucose plant

The glucose is totally cleaned through safety filter then sent to evaporator for concentrating to reach the required DS as final product.

In the world , almost all the glucose syrup plant use the starch (such as cassava starch ,corn starch or other kind starch)  to produce the glucose syrup . But now our company has the new technology , we can produce the glucose syrup from corn or broken rice directly . The starch is not the only kind raw material to produce glucose  syrup 

If you interested in our  glucose syrup plant , please contact us freely .

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Bangladesh customer visit our company for liquid glucose production line

Bangladesh customer visit our company for liquid glucose production line

In August 2016 , the Bangladesh customer visit our company for the liquid glucose production line . The customer plan to set up one liquid glucose production line to produce liquid glucose from corn or broken rice directly , to add value to the grain.

Producing liquid glucose from corn or broken rice directly in liquid glucose production line , our company production technology is dry milling method with double-enzyme method .

The dry milling method of our liquid glucose production line : first dry cleaning corn or broken rice and then with dry milling method to mill cleaned corn or broken rice to rice powder , without any water input or discharge .

The double-enzyme method of liquid glucose  production is first mix corn powder or rice powder with water making  slurry (like produce liquid glucose from starch) , jet cooking slurry for for liquefaction (need liquefaction enzyme) , separate protein , saccharification (need saccharification enzyme) , decolonization , Ion exchange and evaporation to get required density high quality clear liquid glucose .

According to our dry milling technology, one liquid glucose production line can use two kind raw material (corn / broken rice) to produce the liquid glucose directly . The customer can choose the more cheaper raw material at different time to produce liquid glucose and get more profit from the liquid glucose production line .

Our company can supply the dry milling process of liquid glucose production line with technology support .

More information about our liquid glucose production line , please contact us freely .
More Information about our  machinery , please contact
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Pakistan customer visit our company for the rice glucose plant

Pakistan customer visit our company for the rice glucose plant

In August 2016 , the Pakistan customer visit our company for the rice glucose plant project . The customer plan to set up one rice glucose plant in his country , produce rice glucose from broken rice directly . 

Producing rice glucose from broken rice directly in rice glucose plant has two kind process , one is dry milling process and the other is wet process .

The first kind process of rice glucose plant is dry milling process , the first step is dry cleaning broken rice and then with dry milling method to mill cleaned broken rice to rice powder , then mix rice powder with water making rice slurry , jet cooking slurry for for liquefaction , separate rice protein , saccharification , decolonization , Ion exchange and evaporation to get required  density rice glucose .

The second process of rice glucose plant is wet process many company know,  first washing and steeping rice with water , then use some kind milling machine to mill the steeped rice to rice slurry by water. Then the rice slurry will be jet cooking for liquefaction , separate rice protein , saccharification , decolonization , Ion exchange and evaporation to get required density rice glucose .

Compare the two kind process of rice glucose plant , the customer more prefer to dry milling process of rice glucose plant . Compare with wet process rice glucose plant , dry milling process rice glucose plant required small amount water , has more small amount waste water to discharge , more lower loss , full production is non-pollution .

Our company can supply the dry milling process of rice glucose plant to the customer. Our company not only supply the complete rice glucose plant , our company also supply the production technology of rice glucose plant. We have set up one rice glucose plant in Uzbekistan with dry milling process . 

More information about our rice glucose plant , please contact us freely .

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How to make corn syrup from corn starch?

Corn syrup plant

The Manufacturing Process of corn syrup

Corn syrup is produced in processing plants known as wet corn mills. In addition to corn syrup, these mills produce many other corn products including corn oil, corn starch, dextrose, soap stock, animal feed, and several chemicals used in other industrial processes.

1 .Making corn starch from corn for process corn syrup : 

Produce corn starch from corn is by wet milling process, separate the by product and get the purify corn starch milk, then the corn starch milk will be used to produce the corn syrup .

2. Converting corn starch into corn syrup

Corn starch is converted into ordinary corn syrup through a process called acid hydrolysis. In this process, the wet starch is mixed with a weak solution of hydroelectric acid and is heated under pressure. The hydroelectric acid and heat break down the starch molecules and convert them into a sugar.

This kind corn syrup is then filtered or otherwise clarified to remove color by activated carbon . It is further refined by ion exchange to get more high quality corn syrup and evaporated to reduce the amount of water to get required density corn syrup.

The acid hydrolysis starch is old technology , now the modern technology is double enzyme technology . Our company supply the complete corn syrup plant with support with the double enzyme corn syrup production technology . 

According our company enzyme technology of corn syrup plant , we also can use the corn powder to produce the corn syrup directly , it do not need produce corn starch from corn first. 

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Glucose syrup applications

Starch and glucose syrup

Glucose syrups (also known as starch syrups ) are derived from starch sources such as maize, cassava , wheat flour  and potatoes. Offering alternative functional properties to sugar as well as economic benefits . The glucose syrup enhances the flavor and volume of certain foods. It prevents sugar from crystallizing and is therefore mainly used in the candy and confectionery industries.

Glucose syrups are extremely versatile sweeteners . Glucose syrup is a highly processed product that improves the color, texture, flavor and stability of many foods. It is therefore glucose syrup has widely applications in food manufacturing and other industries, such as beverages or drinks (both alcoholic and otherwise),  confectionery , cake , baked food , canned food , jams , jellies and dairy products, as well as in pharmaceuticals and industrial  fermentation.

Glucose syrup is used as a replacement for sugar or honey in many recipes that require a lesser degree of sweetness. It is also used in fruit and vegetable conserves and in the production of tomato sauce and ketchup. In the United States, glucose syrup has almost entirely replaced sugar in commercially produced lemonade and energy drinks.

Glucose is created by hydrolyzing the sugar molecules in starch. Corn is the most common source of this starch, and therefore, glucose syrup is also called corn syrup. Potatoes, rice, wheat and cassava can also provide starch for the production of glucose syrup.

Our company has the new technology , we can produce the glucose syrup from corn or rice directly , the starch not the only one material for making the glucose syrup .If you  interested   in set up one  corn or rice glucose syrup plant , please contact us freely .

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Isomerization of glucose to fructose in fructose syrup production plant

Glucose to fructose syrup production plant

First, an understanding of the forms of glucose and fructose is needed.

D-glucose looks like:

D-glucose

while D-fructose looks like:

D-fructose

In the fructose syrup production plant the isomerization converts glucose which is not very sweet to fructose, the most sweet of the natural sugars. Syrups from this process compete with sucrose (cane sugar) in many food applications. Almost all manufacturers of soft drinks use high fructose syrups because they are less expensive than sucrose. This was devastating to world prices of cane sugar and crippled the economies of some countries.

The isomerization of glucose to fructose in the fructose syrup production plant is part of the glycolysis cycle that converts glucose to pyruvate. The way this is done is to isomerize the aldehyde (hemiacetal) glucose to the ketone (as a hemiacetal) fructose,and make another phosphate ester. The isomerization takes advantage of the ease of breakage of a C-H bond which involves a carbon next to a carbonyl carbon. This is important in the next step which cleaves the bond between carbons three and four of fructose. It is noted that this bond involves the carbon next to the carbonyl carbon of fructose. This cleavage would not have been possible without the isomerization of glucose to fructose, because the carbonyl group of glucose is too far from carbons three and four to make that bond breakable.

Glucose isomerase (D-glucose ketoisomerase) causes the isomerization of glucose to fructose. Glucose has 70-75% the sweetening strength of beet sugar (sucrose), but fructose is twice as sweet as sucrose. Thus, processes for the manufacture of fructose are of considerable value.

Novo Industries has developed glucose isomerase from B. coagulans for commercial use. In this immobilized enzyme process, the microorganism carries out a direct isomerization of the glucose. This glucose isomerase is primarily a xylose isomerase, so xylose, or a xylose-containing compound must be added for the induction of the enzyme.

  

Our company can supply the complete set fructose syrup production plant from corn , rice or starch .  If you interested in the fructose production , please contact with us freely .

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