news making of waste shrimp shell chitosan update: / / chitosan is the deacetylation's product of chitin which are found on the outer skin of crustacea species such as shrimps and crabs. nitrogen electron in the amino groups possessed by chitosan can bind cholesterol in fat, its has been used extensively...
mongolia montenegro montserrat morocco mozambique myanmar namibia nauru nepal netherlands new caledonia new zealand nicaragua niger nigeria north korea norway oman pakistan palau palestinian national authority panama papua new guinea paraguay peru philippines poland portugal puerto rico qatar republic of...
mongolia montenegro montserrat morocco mozambique myanmar namibia nauru nepal netherlands new caledonia new zealand nicaragua niger nigeria north korea norway oman pakistan palau palestinian national authority panama papua new guinea paraguay peru philippines poland portugal puerto rico qatar republic of...