What is the meaning of acid value exceeding standard

Introduction: sesame paste is exposed due to its acid value exceeding the standard, and instant noodles are exposed due to its acid value exceeding the standard What does it mean? Acid value is an important health index to measure the degree of oxidative rancidity of food containing oil Unqualified products with acid value have certain toxicity, which will affect human health What is the meaning of acid value exceeding the standard? What are the reasons for the over standard acid value? What is the acid value? It is not only a sign of the content of free fatty acids in fat, but also an important sign of the quality of fat In the process of long-term preservation of fat, due to the action of microorganism, enzyme and heat, it hydrolyzes slowly to produce free fatty acids The quality of fat is related to the content of free fatty acids Acid value is commonly used as one of the measurement standards The lower the acid value, the better the quality of oil, the better the freshness and refining degree How to calculate the acid value exceeding the standard? The so-called acid value exceeding the standard is that the common people often say that there is "Hala" flavor In order to ensure the quality and safety of edible oil, the limit of acid value and peroxide value of edible vegetable oil is stipulated in the current standards of edible vegetable oil in China According to the hygienic standard of salad oil, the acid value should be less than or equal to 0.3 The reasons for the acid value exceeding the standard are: first, the manufacturing process; second, the storage time on the market is too long, so the production date and shelf life must be paid attention to when purchasing edible oil For all kinds of cooking oil that has been bought home, it is best to store it in a place where the sun can't be direct If you find that the color of cooking oil is wrong, turbid or stale, do not eat it Instant noodle belongs to fried food There are many reasons for its acid value exceeding the standard, but the most common reason is that the manufacturer purchases unqualified raw materials to save costs The oil used for frying raw materials does not meet the acid value itself, or does not change and recycle the frying oil for a long time The above is the definition and reason of acid value exceeding standard Do you want to know more about acid value exceeding standard? Please continue to follow the next update of Baibai safety net Editor in charge: Chen miaoqi