Dr. Navneet KumarRATHOD RENUKABEN KISHORBHAI2023-05-052023-05-052021https://krishikosh.egranth.ac.in/handle/1/5810197018During hot water blanching the mass, length, width, thickness, area, moisture content, pH and total soluble solid (TSS) increased from 0.0381 g, 37.7 mm, 18.3 mm, 0.376 mm, 470 mm2, 69.85 mg/100g, 6.3 and 0.6 °Brix to 0.0475 g, 40.4 mm, 22.8 mm, 0.489 mm, 521 mm2, 96.48 mg/100g, 6.87 and 1.9 °Brix respectively, whereas apparent density, ascorbic acid, total phenolic content, colour a* and peroxidase activity decreased from 232 kg/m3 , 3.90 mg/100g, 4863.56 mg/100g and -6.13 to 186.65 kg/m3, 0.88 mg/100g, 2712.89 mg/100g, -4.08 and 2.59 respectively. Also, the colour values L*, b* and chroma decreased from 23.13, 12.8 and 14.08 to 21.12, 9.643 and 10.47 respectively, whereas total colour difference increased to 1.99. During steam blanching the mass, length, width, thickness, area, moisture content, colour value L*, colour b*, chroma, ascorbic acid, total phenolic content and peroxidase activity decreased from 0.0381 g, 37.7 mm, 18.3 mm, 0.376 mm, 470 mm2, 69.85 mg/100g, 23.13, 12.8, 14.08, 3.90 mg/100g and 4863.56 mg/100g to 0.0269 g, 35.8 mm, 16.5 mm, 0.336 mm, 345 mm2, 66.86 mg/100g, 22.31, 11.37, 12.39, 2.14 mg/100g, 3452.58 mg/100g and 3.24 respectively, whereas the apparent density, colour a*, pH, total soluble solid increased from 232 kg/m3 , -6.13, 6.3 and 0.6 ˚Brix to 236.44 kg/m3 , -4.075, 6.79 and 0.87 ˚Brix respectively. During microwave blanching the mass, length, width, thickness, area, moisture content, colour value L*, colour b*, chroma, ascorbic acid, total phenolic content and peroxidase activity decreased from 0.0381 g, 37.7 mm, 18.3 mm, 0.376 mm,470 mm2, 69.85 mg/100g, 23.13, 12.8, 14.08, 3.90 mg/100g and 4863.56 mg/100g to 0.0209 g, 26.9 mm, 12.1 mm, 0.188 mm, 270 mm2, 45.28 mg/100g, 20.44, 9.469, 10.11, 0.87 mg/100g, 3265.39 mg/100g and 2.59 respectively, whereas the apparent density, colour a*, pH, total soluble solid increased from 232 kg/m3, -6.13, 6.3 and 1.84 ˚Brix to 427.93 kg/m3, -3.518, 7.57 and 1.53 °Brix respectivelyEnglishThesis