test condition was set according to with slight modification: test speed of 1 mm/s, penetrating distance of 5 mm and trigger force of 5 g. Firmness of samples was expressed as peak force (N), which was the maximum resistance force experienced by samples in the puncture test and obtained from the forceedistance curves. These tests were con-
ducted with five replicates for each group.
SSC was measured on fruit juice extracted from 50 g sampleusing a digital refractometer (Nova-Tech International, Inc., Hous-ton, TX, USA) and expressed as?Brix. pH value was measured by apH meter (Metrohm Singapore Pte, Ltd, Singapore). For TA, 10 mljuice was mixed with 10 ml distilled water and 5 ml diluted juice
was titrated against 0.1 M of sodium hydroxide after addition of
indicators, phenolphthalein. TA is expressed as percent malic acid
test condition was set according to with slight modification: test speed of 1 mm/s, penetrating distance of 5 mm and trigger force of 5 g. Firmness of samples was expressed as peak force (N), which was the maximum resistance force experienced by samples in the puncture test and obtained from the forceedistance curves. These tests were con-ducted with five replicates for each group. SSC was measured on fruit juice extracted from 50 g sampleusing a digital refractometer (Nova-Tech International, Inc., Hous-ton, TX, USA) and expressed as?Brix. pH value was measured by apH meter (Metrohm Singapore Pte, Ltd, Singapore). For TA, 10 mljuice was mixed with 10 ml distilled water and 5 ml diluted juicewas titrated against 0.1 M of sodium hydroxide after addition ofindicators, phenolphthalein. TA is expressed as percent malic acid
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