Color protection liquid for fresh lotus seeds and preparation method of color protection liquid

The invention discloses a color protection liquid for fresh lotus seeds, and the liquid comprises sucrose ester, sodium erythorbate and distilled water according to a specific ratio, and preferably comprises sodium citrate and sodium polyphosphate according to a specific ratio. The invention also discloses a preparation method of the color protection liquid and a color protection method for fresh lotus seeds by using the color protection liquid. The color protection liquid can protect the color of the fresh lotus seeds, maintain the normal color of the fresh lotus seeds and prolong the shelf life of the fresh lotus seeds; the color protection liquid does not contain pesticide bactericides and sulfite substances capable of generating peculiar smell, and the raw materials are all edible; the preparation method and the using method of the color protection liquid are simple and suitable for large-scale popularization. 本发明公开一种鲜食莲子的护色液，包括特定比例的蔗糖脂、异Vc钠和蒸馏水，优选地还包括特定比例的柠檬酸钠与聚磷酸钠。本发明还公开了这种护色液的制备方法以及使用该护色液对鲜食莲子的护色方法。本发明