防变类··环保防腐纸日本一家公司推出了一种可用于食品包装的防腐纸。它的制作工艺是:先将原纸浸入含有2%的琥珀酸、33%的玻璃酸钠和0.07%的山梨酸的乙醇溶液中,然后对其进行干燥即可,使用这种纸包装带卤汁的食品,可以在38℃高温下存放3周而不变质。··长效防霉纸日本一公司 Anti-change class · · Environmental preservative paper A Japanese company introduced a can be used for food packaging preservative paper. It is made by dipping the base paper into an ethanol solution containing 2% succinic acid, 33% sodium hyaluronate and 0.07% sorbic acid, and then drying it, using this paper package with marinade Of food, can be stored at 38 ℃ for 3 weeks without deterioration. · Long-term anti-mildew Japanese company