Determination of vitamin c in raw fruit and vegetable homogenates: dietary exposure and health effects of excess intake in adults and children.

Objective: The aim of the study was to determine Vitamin C content in some fruits and vegetables (FAV) including apple, banana, orange, pineapple, watermelon, carrot and cucumber, sold in the local markets in Awka, Anambra State, Nigeria as well as Vitamin C content in two-component and three-component homogenates FAV. The work was also designed to investigate the dietary exposure and health effects of excess vitamin C intake in adults and children.

Material And Methods: Vitamin C as total ascorbic acid (AA) after reduction of dehydroascorbic acid was analyzed using both titrimetric and spectrophotometric methods.

Prospective randomized trial of spinal saddle block versus periprostatic lignocaine for anesthesia during transrectal prostate biopsy.

Objective: To compare the efficacy and tolerability of spinal saddle block vs periprostatic lignocaine injection for anesthesia during transrectal prostate biopsy.

Methods: A total of 75 patients were randomized to undergo prostate biopsy in 3 groups (n = 25). Group 1 had no anesthesia, group 2 had periprostatic lignocaine injection, and group 3 had spinal saddle block.