The preparation process of the intelligent label, compositions based on natural extracts and non-toxic materials, seal thus obtained, and use of same for monitoring pH of food

摘要

The preparation process of the intelligent label, compositions based on natural extracts and non-toxic materials, seal thus obtained, and use of same for monitoring pH of food.The present invention belongs to the field of stamps and colorimetric sensors for pH, more specifically,A seal intelligent based non-toxic materials and natural extracts for use in the food area, and for the purpose of monitoring of the cold chain.Where the colour change allows the application of the same in continuous monitoring, practical, real-time and efficient, and the quality of the products and by-products of plant and animal origin.