Abstract
Tannia cocoyam corm is a less popular pantropical carbohydrate source, whereas it has the potential to support food and nutrition security, especially in dry areas. Processing tannia cocoyam corm into flour can increase its use in various food products. This study aimed to determine the yield, nutrition, color, tap bulk density, water absorption capacity (WAC), oil absorption capacity (OAC), swelling capacity, and emulsion activity and stability of tannia cocoyam corm flour compared to sago starch, cassava flour and starch, mung bean starch, corn starch, wheat flour, rice and glutinous rice flours, and potato flour. The significant characteristics of tannia cocoyam corm flour were rather low in calories (dry basis), relatively high in WAC and swelling capacity, low in OAC, and showed emulsion activity and stability. Based on these data, it is suitable for use in mixed and processed food products that require juicy, elastic, and volume expansion characteristics; recommended for food products that are lower in calories and oil content; and can also help to maintain viscosity and form emulsions.
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