Water, Neutral Fat and Solids of Adipose Tissue.

Abstract
Peri-renal adipose tissue was removed from etherized exsanguinated white male rats subjected to a 4[degree]C temperature for from 7-21 days. Water was estimated by weight difference after drying in vacuo at 38[degree]C for 24 hr. Neutral fat was removed by ether extraction. Solids were considered to be the dry defatted residue. In control and cold exposed animals, adipose tissue ''devoid of solids1 contain only neutral fat; however in adipose tissue depleted of neutral fat'' there are approximately 24% solids and 76% water. Correcting wet weight for neutral fat indicates that a constant amount of water is present in the solids of adipose tissue. That this water is associated with the solids and not the neutral fat is evident by comparing the percentage of solids with that of water. The water of adipose tissue varies directly with the solids present.

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