求翻译：化学合成的食用色素具有色泽鲜艳、稳定性好、成本低廉、制备简单等优点，在食品工业中得到广泛应用，但大多数对人体有害，甚至有致癌性，其使用越来越受到限制，天然色素安全无毒，有些还具有营养和医疗价值.是什么意思？

Chemical synthesis of food coloring with bright color, good stability, low cost, simple preparation, etc., in the food industry has been widely used, but most harmful, even carcinogenic, its use more and more restricted, natural safe non-toxic pigments, and some also have nutritional and medical val

chemosynthesis coloring with a gay color, good stability, low costs, and prepare simple advantages in the food industry, it is widely used, but most harmful to the human body, and there were even more carcinogenic, its use is restricted, safe non-toxic, and in some cases it is natural color with nut

The chemical synthesis food coloring has the luster brightly, the stability good, the cost inexpensive, the preparation simple and so on the merits, obtains the widespread application in the food industry, but majority is harmful to the human body, even has the carcinogenicity, its use more and more

Synthetic food coloring with brightly-colored, good stability, low costs and advantages of simple preparation, widely used in the food industry, but the most harmful and even carcinogenic, the use of more and more restrictions, safe non-toxic natural pigments, some with nutritional and medical value

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