Abstract
This study was aimed to develop an environmental-friendly fingerprint visualization using turmeric herb. The turmeric powder size was in the range of 60-200 mesh. The dusting method was done by applying turmeric powder to glass surface, aluminum foil, transparent plastic, plastic cups and compact disk (CD) surfaces that have sebum content from fingerprint samples. This study was also compared with the small particle reagent (SPR) of ninhydrin. The SPR method was done by spraying ninhydrin solution on A4 white paper and doorslag paper. The results of this study indicated that form of fingerprint obtained has the following pattern: radial loop (16.6 %), ulnar loop (63.3 %), tented arch (1.6 %), twinted loop (1.6 %) and plain whorl (16.6 %). The results showed that the turmeric powder dusting method gave a low contrast with yellow colour while ninhydrin SPR provides high contrast with Ruhemann’s purple.
Highlights
Fingerprints in forensic science generally are used to identify suspects, victims and people who touch a surface at the crime scene
The method used involved the spray of turmeric powder on various surfaces and the results provided print contrast, which was good as the development of latent fingerprints
Development of turmeric powder dusting method: The dusting method is a physical method of increasing latent prints and works mechanically on fingerprint powder particles to the sebum component found on the skin ridge
Summary
Fingerprints in forensic science generally are used to identify suspects, victims and people who touch a surface at the crime scene. The science of fingerprint identification is more desirable in forensic chemistry based on the fact that fingerprints are unique, individual prints remain unchanged, and no two individuals have exactly the same pattern. Several studies of visible and latent fingerprints have been carried out. Deoxyribose nucleic acid (DNA) extracts from adhesive tapes for fingerprint development [2]. For DNA collection from relatively hairless areas of the body using Scotch tape ®3M No 5414. Three fingerprint traces can be found in a crime scene are visible (or printed patterns), impressions (or plastic prints) and latent prints. Latent print outs are not visible to the ordinary eye and require some development tools or enhancements for their visualization
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