GB2760-2014 “National Food Safety Standard-Food Additives Use Standard” stipulates that neotame can be added to many foods including baked goods, beverages, and dairy products. Except for table sweeteners, candies and ready-to-eat cereals, the maximum allowable addition of neotame is less than or equal to 0.1g/kg. This is mainly due to the high sweetness of neotame and the actual need to add less.
In daily inspections, it is found that compared with other sweeteners, neotame is rarely detected in foods, indicating that it is not widely used in the food industry. The reasons may be summarized as follows:
- Neotame is a new type of product. It has been used in my country since 2003. Compared with other traditional sweeteners, it needs a certain amount of time to promote and accept;
- Neotame is a patent of the US Newt Company. The monopoly production before the end of 2013 led to higher prices of Neotame, and the cost-effective advantage was not obvious; after the expiration of the US patent, many manufacturers still have time to adjust the formula in the future;
- Neotame has the characteristic of lagging sweetness, but it can be improved by compounding with other sweeteners;
- The sweetness is too high, and the allowable limit for addition in food is low. It is inconvenient to weigh a little when used alone, and it is difficult for small and medium-sized enterprises to control the dosage.
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Application in Food
①Application in various beverages
- Carbonated drinks
Neotame can last for 16 weeks in cola-type carbonated beverages, which is consistent with the shelf life of low-energy carbonated beverages on the market. It can also be used in beverages such as lemon soda and root juice.
- Non-carbonated drinks
Neotame can be used in hot-filled lemon tea, solid powdered beverages, yogurt and other foods, and the properties in these foods are very stable and of good quality.
②Application in dairy products
Neotame can be used in dairy products, ice cream and other frozen desserts. When used in such products, after the shelf life of such products is over, the study found that only 2% of neotame is lost, which is acceptable for the product Sex has no effect, and other sweeteners rarely reach this level. Neotame is especially suitable for the production of yogurt.
④ Application in chewing gum
Since neotame has an energy value of almost 0 and does not cause tooth decay, it is suitable for the production of sugar-free chewing gum. It is not only suitable for diabetics, but also has no damage to teeth. Neotame in chewing gum can improve its stability through microencapsulation, and the two-layer coating of modified starch and hydroxypropyl methylcellulose can make it not degraded during 52 weeks of storage.
⑤ Application in table sweeteners
Because neotame has no hygroscopicity and low energy, it is very suitable as a table sweetener. Studies have shown that Neotame can be stored for at least 156 weeks when used as a table sweetener.
⑥ Application in ice cream
The ice cream made with neotame has good dissolution characteristics and structure, and its sweetness is pure and without aftertaste.
Unlike aspartame, neotame can be used together with some reducing sugars, such as glucose, fructose, lactose, etc.; it can also be used with aldehydes.
Flavor substances are used together, such as vanilla, cinnamon, lemon and so on. It is used in candy, cereals, jelly and other products. Studies have shown that Neotame has good properties in these foods.
How to Improve Solubility In Water
Although Neotame has many excellent properties, its solubility in water is not high, and its dissolution rate is relatively small, which limits the application of Neotame in food production to a certain extent.
Under normal circumstances, it takes 5 to 7 minutes for 0.05～0.19 neotame to completely dissolve in 100 mL of water (observed by naked eyes), and 5～8 min for 0.1～0.2 g of neotame to dissolve completely in 100 mL of water (by naked eyes). 1g of neotame is completely dissolved in It takes about 45 minutes in 100 mL of water.
Since neotame is often used in aqueous solutions and beverages, improving the solubility and dissolution rate of neotame in water is of great significance for expanding the application range of neotame in industry and increasing its economic value. Here are several ways to improve the solubility of neotame in water.
- Neotame compounded with hydrochloric acid
Take a certain amount of Neotame into the water, stir well until it becomes a slurry, then slowly add the equivalent amount of hydrochloric acid to it, after about 10 minutes, all the solids are dissolved, and then freeze-dry the clear solution to get it White solid, the yield was 99.7%.
Compared with the starting material Neotame, the product exhibits great water solubility. It only takes 70 seconds to completely dissolve 1g of the product in 100mL of water.
- Neotame and phosphoric acid compound
Take a certain amount of Neotame and dissolve it in water, stir to make it into a slurry, and then add an equimolar 85% phosphoric acid solution. After all the solids are dissolved, the solution is freeze-dried. The resulting product is a white solid with a yield of 98% . The water solubility of the product has been greatly improved, and 0.1 g of the product can be completely dissolved in 100 mL of water in less than 30 seconds (visual observation).
- Neotame and citric acid compound
Dissolve a certain amount of neotame in acetone, slowly add an equimolar aqueous solution of citric acid, and then add an appropriate amount of acetone to form a clear colorless solution, stir the solution for 1 hour, and then distill the acetone under reduced pressure to remove the remaining slurry. The white solid can be obtained by freeze-drying the material.
0.1g of this white solid was dissolved in 100 mL of water within 90 seconds (observed by naked eyes).
- Neotame and sodium bicarbonate compound
Dissolve a certain amount of sodium bicarbonate in water, add equimolar neotame, and stir the obtained slurry for 24 hours to obtain a clear solution, and freeze-dry to obtain a white solid that is the target product.
0.1g of white solid can be completely dissolved in 100mL of water instantly (observed by naked eyes).