1results about How to "Retention content" patented technology

The application provides a kind of dry color protection process of purple Germinatus Bambusae Sinospinosae rich in anthocyanins, and the steps include: selecting fresh and intact purple Germinatus Bambusae Sinospinosae with a length of 25-45 cm, removing the shell, washing with clean water, then absorbing the surface water with clean gauze, cutting into uniform size bamboo shoots, bamboo shoot silk and bamboo shoot strips; at room temperature, immerse the treated purple bamboo shoot samples in different concentrations of color protection solution for 1-10 min, the color protection solution includes 0.1-3.0% CaCl2, 0.1-3.0% L-cysteine, 0.01-2.0% vitamin C, then take out and drain water; dry the purple Germinatus Bambusae Sinospinosae after draining water at a temperature of 50-70℃, after reaching the drying endpoint, take out and cool to room temperature, then vacuum package, put the packaged bamboo shoots into self-sealing aluminum foil bags, and store at room temperature. The purple Germinatus Bambusae Sinospinosae treated by the application can maintain good sensory quality, and the anthocyanin content and activity can be better preserved, ensuring the quality and value of the purple Germinatus Bambusae Sinospinosae.