Effect of ultraviolet LED radiation on vitamin D production in human skin: A novel device for vitamin D synthesis

Abstract Vitamin D deficiency, a condition that can lead to debilitating diseases including osteoporosis, rickets and osteomalacia affects over a billion people worldwide.  Vitamin D D3 (cholecalciferol) is a compound produced naturally in human skin upon exposure to the sun.  In particular it has been identified that Ultra Violet (UV) rays present in solar radiation contribute to the synthesis of Vitamin D in the skin.  This work explores the potential use of a novel UV […]

Characterization of the Purity of Curcumin Extraction: Comparative study of UV Spectrophotometry and HPLC from a Field Application Perspective

Abstract: Turmeric is a popular spice used in South Asia for both culinary and religious purposes.  It has also been used in traditional Indian medicine called Ayurveda.  More recently curcumin has been identified to be the active ingredient in turmeric, and its pharmacological basis has been identified.  This paper examines the extraction, processing and refinement of curcumin with special emphasis on testing and characterization.  This study focuses on the comparison of UV Spectrophotometry and High […]