Abstract
SummaryPapadkhar, an efflorescent ash, is an essential ingredient in papad manufacturing which enhances texture. This study is comprised of two parts: Initially, papadkhar samples were collected from various regions of India and evaluated for physicochemical parameters and heavy metals. Cadmium (<2.29 mass%), mercury (<2.48 mass%) and lead (<32.38 mass%) were detected. However, the regulations for heavy metal contamination in papadkhar are inexplicit. The study suggested the need to evaluate toxicity and regulate heavy metal contamination below the threshold value. Optimal papadkhar concentration was found to be 3% (w/w). Furthermore, literature emphasising the role of salt components on papad quality is scanty. The second part of the study focused on deciphering the role of cationic and anionic salt component(s) on physicochemical properties of papads. To study the effect of cations, varying levels (0.5%–1.5%) of sodium, calcium, magnesium and potassium carbonates were used. Sodium salts were chosen for further studies considering lower dough hardness (136.3–123.0 g). Hereinafter, sodium salt of sulphate, phosphate, chloride and carbonate (0.5%–1.5%) were selected. A blend of 3:1 ratio of sodium carbonate and sodium bicarbonate at 1% (w/w) showed the best organoleptic acceptability.
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