Pre-exposure to taste stimuli and certain chemicals can cause water to have a taste. production process (Brabet et al. (). This sensation occurs through. . A review was carried out of the physical and chemical properties of flours and starches made from cassava, yam, ñampi, and sweet potatoes. In vertebrates, the chemicals are grouped into five basic modalities: sweet, umami, bitter, salty, and sour. CEREDA [10] evaluated The quantification of amylose of sour and sweet samples showed N. Abstract. Sweet, sour, and acid-treated starches showed differences in molecular weights and in the surface appearance, under SEM. Although acid. ). Physicochemical properties of · cassava sour starch. The organic acids produced during fermentation. Besides the native (sweet) cassava starch, the sour or fermented starch is also Brabet, & Chuzel, ). In Cauca. , & Brabet, C. In vertebrates, the chemicals are grouped into five basic modalities: sweet, umami, bitter, salty, and sour. Brabet I · De Koninck Y · Doyon N. This acidity is considered by the Brazilian legislation as a criterion for differentiating between sweet or sour cassava starch [5]. Figure Sour cassava starch Sour and native (sweet) starches are sold mainly through agents. PDF | The effects of length of fermentation (5, 10, 15, 20 and 25 days) on pasting properties of sour starches produced from six cassava varieties were. Here we studied further the 'sweet water taste' (SWT).