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.
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.
The terms “cosmetic tattooing” or “permanent makeup” (e.g. micropigmentation) refer to
mechanical application of pigmented materials to the area of the eye, lips and face for the
purpose of changing the color or appearance of that facial feature. This is a rapidly growing
business in the United States becoming mainstream in many sociological circles.
Dear little book, what shall I say about thee? Belated offspring of mine, out of print for twenty years, what
shall I say in praise of thee? For twenty years I have only seen thee in French, and in this English text thou
comest to me like an old love, at once a surprise and a recollection. Dear little book, I would say nothing
about thee if I could help it, but a publisher pleads, and "No" is a churlish word. So for him I will say that I
like thy prattle; that while travelling in a railway carriage on my way to the...
Capparis flexuosa, llamada mostazo en algunas
partes del país, es planta sarmentosa de grandes y
fragantes flores blancas, que se le caen rápidamente.
Hermanita de la alcaparra (de la misma familia
de las Caparidáceas) y sus botones florales son
igualmente comestibles; pero aquí se desperdician.
Nadie los come. Crece en montes próximos a la costa.
En San Pedro de Macorís, por ejemplo, se la ve
con frecuencia a la orilla del mar, y en la isla Saona
se da en las partes donde la invasión marina
dejó el suelo salado....