Comestics

Chitin là một thành phần hữu cơ tự nhiên có giá trị trao đổi cao. Các dẫn xuất của chitin chitosan đặc biệt, mà đã có nhiều ứng dụng công nghiệp nhẹ, thực phẩm, nông nghiệp, y học và comestic ...

6p phalinh2 01-07-2011 184 50   Download

Chitin that is a natural organic constituent has had high exchange value. The derivative of chitin is specially chitosan, which has had many applications on light industry, food, agriculture, medicine, and comestic… Makingsausaage casing; chitosan (3%) and 10% of mixed additives of PEG and EG (ratio1:1) are dissolved in a aqueous acetic acid solution, the acetic acid concentration of the solution is 1.5%. The solutions are used to make sausage casing for 35 minutes at 64 650C.

6p quocnamdhnl 05-12-2010 244 63   Download

Preservatives in cosmetics are the second most common cause of skin problems. They prevent bacteria and fungus from growing in the product and protect products from damage caused by air or light. But preservatives can also cause the skin to become irritated and infected.

8p nhatvy 12-06-2009 190 17   Download