Handle the test report of fruit and vegetable juice and its beverage GB T 31121 test item.
Fruit and vegetable juices and their beverages have become common drinks in people's daily life. In order to ensure the quality and safety of fruit and vegetable juices and their beverages, China has formulated the GB T 31121 testing standard, which clearly stipulates the testing items of fruit and vegetable juices and their beverages.
1. Overview of testing items.
The testing items of fruit and vegetable juices and their beverages mainly include the testing of physical and chemical indicators, health indicators and food additives. Physical and chemical indexes include juice content, sugar content, acidity, turbidity, etc.; Health indicators include total number of colonies, coliform bacteria, molds, yeasts, etc.; The testing of food additives is mainly the detection of additives such as preservatives and sweeteners.
2. Specific requirements for each testing item.
1.Physical and chemical indicators.
Physical and chemical indexes are an important embodiment of the quality of fruit and vegetable juices and their beverages. Fruit juice content is an important indicator to measure the authenticity and quality of fruit juice beverages, GB T 31121 stipulates that the fruit juice content of fruit juice drinks must reach the minimum content of the regulations, and at the same time, in order to ensure the quality and taste of fruit and vegetable juices, the range of sugar content and acidity is also specified. Turbidity is an indicator of the clarity of fruit and vegetable juice, and the lower the turbidity, the higher the clarity of fruit and vegetable juice.
2.Health indicators.
Hygiene indicators are an important guarantee for the safety of fruit and vegetable juices and their beverages. The total number of colonies refers to the number of microorganisms in fruit and vegetable juices, and GB T 31121 stipulates that the total number of colonies must meet the requirements of relevant national standards. Coliform bacteria, molds, yeasts, etc. are also common microbial indicators in fruit and vegetable juices, and the presence of these microorganisms may cause discomfort or disease in the human body, so they must be strictly controlled.
3.Food additives.
Food additives are commonly used substances in the production of fruit and vegetable juices and their beverages, GB T 31121 stipulates that the use of food additives must meet the requirements of relevant national standards, and it is strictly forbidden to exceed the scope and excessive use of food additives. At the same time, additives with specific functions, such as preservatives, sweeteners, etc., must also be tested to ensure the safety and stability of the product.
3. Testing process and precautions.
The testing process of fruit and vegetable juices and their beverages generally includes steps such as sample collection, preparation, testing and result analysis. In the process of sample collection and preparation, attention should be paid to the representativeness and uniformity of the sample to ensure the accuracy of the detection results. In the testing process, the detection method specified in GB T 31121 should be operated in strict accordance to avoid errors and interference factors. The analysis of the results should be judged according to the standard requirements specified in GB T 31121.
When handling the test report of fruit and vegetable juice and its beverages, it is also necessary to pay attention to the following matters: choose a qualified testing agency for testing; Ensure the authenticity and reliability of the sample; Learn about testing standards and requirements.
Fourth, summary. The quality and safety of fruit and vegetable juices and their beverages are of paramount importance to the health of consumers. By handling the GB T 31121 test report, the quality and safety of fruit and vegetable juices and their beverages can be effectively guaranteed. At the same time, manufacturers should also strengthen their own quality control and management to improve the quality and competitiveness of products. In the future, with the increasing demand of consumers for health and food safety, the fruit and vegetable juice and beverage industry will pay more attention to product quality and safety, and further strengthen the work of testing and quality control.