Heat treatment effect on oat flour used in the substitution of wheat flour for bread- making
Oat flour was heat treated at 80, 100 or 130 °C for 30 min, then used to replace 10 or 20 % wheat flour in bread-making process. Water retention capacity, viscosity profile, specific volume, and texture profile analysis were determined at 0, 2 and 7 days after bread-making. Viscosity parameters were...
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| Autori principali: | , , , , , , |
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| Natura: | Online |
| Lingua: | spa |
| Pubblicazione: |
Universidad de Sonora
2021
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| Accesso online: | https://biotecnia.unison.mx/index.php/biotecnia/article/view/1388 |
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| Riassunto: | Oat flour was heat treated at 80, 100 or 130 °C for 30 min, then used to replace 10 or 20 % wheat flour in bread-making process. Water retention capacity, viscosity profile, specific volume, and texture profile analysis were determined at 0, 2 and 7 days after bread-making. Viscosity parameters were affected by the two levels of oat flour substitution and heat treatment. When using oat flour treated at 100 °C and substitution level of 10 and 20 %, the specific volume of bread increased (2.64 and 2.75 cm3/g). The texture profile was also affected by the level of substitution and heat treatment at 7 days of storage, the firmness of the bread decreased when 10 % of oat flour treated at 130 °C (12.86 N) was used in comparison to that made with wheat flour (19.63 N). Heat treatments in oat flour used to replace wheat flour can be an important alternative to improve the quality of bread-making products. |
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