Show Zinc is Found Component Of Blood in Light Amount WASHINGTON Zinc Zinc Zinc in barely detectable amounts appears to be bean benn an nn essential component of human blood Its chief concentration is in inthe inthe inthe the leucocytes most abundant of the white blood cells First measurements of the amount of this trace element the function of which is entirely un un- unknown unknown un- un unknown known but which probably is essen essen- essential essential essential to health are described in a report just issued by the Nutrition foundation It may now be possible by con con- controlled controlled controlled trolled animal experiments to de de- determine determine de- de determine termine the role of zinc deficiency in disease The experiments carried out with human subjects in several laboratories show an average zinc concentration of about nine- nine millionths of a gram per cubic centimeter of whole blood Only about third one-third of this concentration concentration concentration tion was found in blood plasma For Forthe Forthe Forthe the leucocytes however the con con- content content content tent ran as high as 20 millionths to toa toa toa a gram gram or or about 03 of a millionth of a gram per million cells Leucocytes are the body's infection infection Infection tion fighters They also are the th cells' cells whose multiplication gets out of all control in the usually fatal disease leukemia closely allied to cancer Thus zinc may be an important part of the body's armament against disease No important difference was found between healthy and sick subjects except that in the sick there was more m re variation in the zinc content of the blood from day dayto to day |