Punchihewa B T, Prashantha M A B, Godakumbura P I, Herapathdeniya S K M K
Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka.
Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka.
J Ayurveda Integr Med. 2022 Jan-Mar;13(1):100412. doi: 10.1016/j.jaim.2021.02.003. Epub 2021 Dec 3.
Lauha Bhasma (LB) is a prominent Ayurveda medicine and is used as an ingredient to prepare other indigenous medicines in Ayurveda. The outcomes of this study on chemical and physical changes during the preparation process of LB become significant to explore ancient knowledge of east within the modern context. The preparation process of LB was carried out under laboratory conditions; starting from the elemental form of the Iron sample to identify the chemical and physical changes. The metallic composition of the starting material and intermediate products formed during the LB preparation process was determined using the AAS technique. The variation of the amount of Fe and Fe throughout the process and formation of nanoparticles was identified using quantitative analysis. Even though the amount of heavy metals (Cr, Cd, Cu, Pb, Zn, and Mn) present in the starting material is low, the trace level of heavy metals in the iron sample significantly reduces during the LB preparation process. Irregular-shaped, agglomerated, blackish red (Pakvajambuphala varna) fine LB powder formed at the end of the Putapaka step. The value of ancient knowledge can be revealed using the chemical and physical changes identified throughout the study on the LB preparation process.
铁煅灰（LB）是一种著名的阿育吠陀药物，在阿育吠陀中用作制备其他本土药物的成分。这项关于LB制备过程中化学和物理变化的研究结果，对于在现代背景下探索东方古代知识具有重要意义。LB的制备过程在实验室条件下进行；从铁样品的元素形式开始，以确定化学和物理变化。使用原子吸收光谱（AAS）技术测定了LB制备过程中起始原料和中间产物的金属成分。通过定量分析确定了整个过程中铁（Fe）含量的变化以及纳米颗粒的形成。尽管起始原料中存在的重金属（铬、镉、铜、铅、锌和锰）含量较低，但在LB制备过程中铁样品中的痕量重金属水平显著降低。在“普塔帕卡”步骤结束时形成了不规则形状、团聚的、黑红色（帕卡贾姆布法拉萨）细LB粉末。通过对LB制备过程的整个研究中确定的化学和物理变化，可以揭示古代知识的价值。
