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    An approach to manufacturing well-being milk chocolate in partial replacement of lecithin by the functional plant-based combination
    (Wiley, 2024) Patel, Harshvardhan; Bains, Aarti; Sridhar, Kandi; Ali, Nemat; Najda, Agnieszka; Tosif, Mansuri M.; Dhull, Sanju Bala
    Lecithin is constituted of a glycerophospholipid mixture and is abundantly used as an emulsifying agent in various food applications including chocolate production. However, overconsumption of lecithin may create an adverse effect on human health. Thus, this study aims to replace the lecithin with plant-based gums. Different ratios of guar and arabic gum (25%-75%) and their blend (25%-75%) were employed as partial replacement of lecithin. Milk chocolate prepared using 40% guar gum (60GGL [guar gum, lecithin]), 25% arabic gum (75AGL [arabic gum, lecithin]), and a blend of 15 arabic gum and 10 guar gum (65AGGL [arabic gum, guar gum, lecithin]) showed similar rheological behavior as compared to control chocolate (100% lecithin). The fat content of 65AGGL (37.85%) was significantly lower than that of the control sample (43.37%). Rheological behavior exhibited shear-thinning behavior and samples (60GGL-75GGL-80GGL, 65AGL-75AGL, and 65AGGL-75AGGL) showed similar rheological properties as compared to control. The chocolate samples (60GGL and 65AGGL) showed significantly (p < .05) higher hardness values (86.01 and 83.55 N) than the control (79.95 N). As well, gum-added chocolates exhibited higher thermal stability up to 660(degrees)C as compared to the control sample. The Fourier transform infrared spectroscopy (FTIR) analysis revealed predominant beta-(1 -> 4) and beta-(1 -> 6) glycosidic linkages of the gums and lecithin. Sensory evaluation revealed a comparable score of gum-added milk chocolate in comparison to control samples in terms of taste, texture, color, and overall acceptance. Thus, plant exudate gums could be an excellent alternative to lecithin in milk chocolate, which can enhance the textural properties and shelf life.
  • [ X ]
    Öğe
    Blend of guar/acacia gum as a partial substitute of lecithin in white chocolate: Optimization, characterization, and shelf-life evaluation
    (Elsevier, 2024) Patel, Harshvardhan; Bains, Aarti; Tosif, Mansuri M.; Ali, Nemat; Goksen, Gulden; Dhull, Sanju Bala; Chawla, Prince
    Lecithin is potentially used in various food applications due to its emulsifying and stabilizing properties. However, overconsumption of lecithin may cause several diseases and side effects in the human body. Therefore, in this study, we used a blend of guar and acacia gums as a partial replacement for lecithin in white chocolate. Different concentrations of the blend (25-75 %) were used to replace lecithin and white chocolate containing 75 % lecithin, 15 % acacia gum and 10 % guar gum blend (75GAGL) exhibited comparable rheological properties as compared to the control sample. Consequently, the selected sample was characterized using different analytical techniques. FTIR results showed a similar peak of various functional groups of sugars, proteins, and uronic acids for 75GAGL and control samples. Physicochemical analysis and shelf-life evaluation were conducted during the 150-day storage period. Lower fat content (41.64 +/- 1.23 %) and highest protein content (5.41 +/- 0.08 %) were observed for the 75AGGL sample as compared to the control on the 0(th) day and a non-significant difference was shown on the 150th day. Overall, physicochemical data revealed minor changes in the nutritional aspects for both control and 75GAGL samples. DSC and TGA data proved that 75GAGL and the control sample have similar heat stability (melting point) and the peak was observed at 36.93 degrees C for 75GAGL and 37.11 degrees C for control. The addition of gum blend in chocolate 75GAGL (9985 g force in 2.24 Sec) displayed similar hardness as compared to the control sample (12,448 g force in 2.68 Sec). Results of texture analysis for 5AGGL and control samples exposed similar hardness values. Furthermore, the color assessment showed a non-significant difference in color values of both chocolates during 150 days of storage. 75AGGL received comparable scores to the control sample during sensory analysis. Overall, it could be proven that plant-derived gums can be effectively used for the partial replacement of lecithin for white chocolate production with desirable textural and sensory properties.