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  • Title: The effect of curcuma longa extract and significance of mordant as an alternative for eosin in H and E: A comparative study.
    Author: Rubina MP, Sukesh, Soumya V, Mohammed Safeer TK, Riyas Basheer KB.
    Journal: Indian J Pathol Microbiol; 2023; 66(4):697-701. PubMed ID: 38084518.
    Abstract:
    BACKGROUND AND AIM: Hematoxylin and Eosin (H and E) staining is a common and routine staining method used in Histopathology. In origin, Hematoxylin is natural and Eosin is a synthetic dye. Synthetic dyes are widely accepted due to its staining efficiency. However, due to synthetic and toxic properties, natural alternatives have gained importance. In this present study, Curcuma Longa rhizome (Turmeric) extract with and without mordant are examined as a natural substitute for Eosin in H and E staining. This study assessed the staining quality of Turmeric (H and T) compared to Eosin (H and E) and the significance of mordant in H and T staining. MATERIALS AND METHODS: A comparative study is conducted in a Histopathology laboratory in a tertiary care hospital. Five tissue specimens were collected and stained with H and T with mordant, H and T without mordant, and conventional H and E stain. Two independent pathologists examined the quality of each stain. The results are graded as excellent, good, and poor. These results are statistically compared and analyzed. RESULT: Staining quality of Turmeric and Eosin are comparable to each other. At the same time, Turmeric gives yellow color instead of pink in Eosin. The result also shows that the addition of mordant in Turmeric significantly improves the staining quality. INTERPRETATION AND CONCLUSION: Turmeric with mordant can be used as an alternative stain to synthetic Eosin in H and E staining.
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