Q
Food Additives Caustic Soda Food Grade Sodium Hydroxide
Bobby He Release Time: September 14, 2024, 1:12 AM
    After shaking hands with a Russian, remember to count how many fingers you have left.
What is the role of caustic soda as a food additive
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Bobby He Release Time: September 14, 2024, 1:10 AM
    After shaking hands with a Russian, remember to count how many fingers you have left.
Food additive caustic soda, also known as food-grade sodium hydroxide (NaOH), is a processing aid allowed to be used under specific conditions in the food industry. The following is a detailed analysis of it:

Definition and properties

• Definition: Food-grade sodium hydroxide, commonly known as food-grade caustic soda or food-grade flake caustic soda, is a strong alkali that is corrosive, but is specially treated to meet food-grade standards.
• Properties: Sodium hydroxide is easily soluble in water, releases heat when dissolved in water, and forms an alkaline solution. In addition, it is also deliquescent and easily absorbs water vapor in the air and agglomerates.

Uses

1. Container cleaning: In food processing, sodium hydroxide is often used to clean wine bottles, grain and oil containers, etc. to remove grease, dirt and other impurities to ensure the hygiene of the food production environment.

2. Acidity adjustment: In the process of food processing, sodium hydroxide can be used as an acidity regulator to adjust the pH value of food to make it taste better.

3. Auxiliary processing: In some food processing processes, sodium hydroxide also helps filtration, color extraction and adsorption.

Food safety standards

• Food-grade sodium hydroxide must comply with relevant national or regional food safety standards, such as China's GB1886.20-2016 "National Food Safety Standard Food Additive Sodium Hydroxide".

• The standard specifies the sensory requirements, physical and chemical indicators, etc. of food-grade sodium hydroxide in detail to ensure its safety and applicability.

Precautions for use

1. Corrosiveness: Since sodium hydroxide is highly corrosive, protective equipment must be worn when using it to avoid direct contact with the skin.

2. Limited use: When food-grade sodium hydroxide is used as a processing aid, its usage must be strictly controlled and cannot be added excessively.

3. Storage conditions: Food-grade sodium hydroxide should be stored in a cool, dry, well-ventilated place to avoid mixing with acids and other toxic and harmful substances.

Summary

As a food additive processing aid, food-grade sodium hydroxide has its specific application scope and restrictions in the food industry. When using it, relevant safety regulations and food safety standards must be strictly observed to ensure the safety and quality of food. At the same time, consumers should also pay attention to food labels and related information when purchasing food to find out whether processing aids such as sodium hydroxide are added to the food.
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Bobby He Release Time: September 14, 2024, 1:07 AM
    After shaking hands with a Russian, remember to count how many fingers you have left.
Food-grade sodium hydroxide (caustic soda) is sodium hydroxide that has been specially treated to meet food safety standards. Its main applications include the following:

1. Adjusting pH: In food processing, sodium hydroxide is often used to adjust the pH of food. This adjustment can affect the taste, texture and shelf life of food. For example, it plays a role in some breads, cookies, candies and pickled foods.

2. Surface treatment: Sodium hydroxide is also used in the surface treatment process of some foods, such as in making certain types of bread (such as German lye bread) and pickled olives.

3. Food safety: Food-grade sodium hydroxide is different from industrial-grade sodium hydroxide. The former undergoes strict purity and quality control to ensure that its use in food does not cause health hazards. It must meet food safety standards, which generally include being non-toxic, harmless and free of harmful impurities.

Features and precautions of food-grade sodium hydroxide:

• Purity: Food-grade sodium hydroxide needs to have high purity to ensure safety in food processing.

• Dosage: It must be used in the prescribed dosage, and excessive use may have a negative impact on the taste and quality of the food.
• Handling: Since sodium hydroxide is a strong alkaline substance, appropriate safety measures should be taken when handling it, such as wearing gloves and goggles to avoid direct contact with skin and eyes.
Regulations and standards:
• In many countries and regions, the use of food-grade sodium hydroxide is strictly regulated. Food safety agencies in various countries will formulate specific standards and regulations to ensure its safe use in food. For example, in the United States, the Food and Drug Administration (FDA) has detailed regulations on food additives.

In short, food-grade sodium hydroxide has certain applications in food processing, but safety regulations and standards must be strictly followed when using it to ensure the safety of food. If you need to use or handle food-grade sodium hydroxide, it is best to consult relevant food safety experts or refer to relevant national regulations.
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