加拿大一名教授发明了一种使花朵永不枯萎的方法。鲜花经此处理后,外形保持长久不变。这种方法是将新鲜花卉在-40℃下快速冷冻脱水,使花的含水量降至8～9%,同时以乙醚为溶剂将油质固定剂浸透到花的细胞质内取代其水分,并通过调节 pH 值控制色素,然后敷上透明塑料膜最后组合成型。这种干花不仅可以包装、贮运、销售,还可保鲜花原有的花型、姿态、色形和芳香。据称用该法处理后的兰花10年后还是一样鲜 A Canadian professor invented a way to keep flowers from withering. After the treatment of flowers, the shape remains unchanged. In this method, fresh flowers are rapidly frozen and dehydrated at -40 ° C to reduce the water content of the flower to 8-9%, and the oil fixing agent is infiltrated into the cytoplasm of the flower to replace the water by using ether as a solvent, Adjust the pH control pigment, and then put the transparent plastic film last combination molding. This dried flower not only can be packed, storage and sale, but also the original floral flower patterns, posture, color and aroma. Allegedly treated with orchid law 10 years after the still fresh