Household heat use to improve sweet tamarind quality
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Date
2020-01-06Author
Pachanatong, Manee
Suttha, Walaiporn
Panyathitipong, Woralak
มณี ภาชนะทอง
วไลภรณ์ สุทธา
วรลักษณ์ ปัญญาธิติพงศ์
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Sweet tamarind is a unique and economic plant of Phetchaboon province and it has already been geographical indication (GI) registered. One of its main problems is fungal degeneration which cannot be physically visible. This causes the consumer’s uncertainty on its quality, especially sweet tamarind from small communities. This led to the study on the use of household heat to reduce fungal degeneration by steaming at 100oc for 50, 60, 70 and 80 minutes and drying in the hot air oven at 70 oc for 3 hours. Lt was found that increasing the heat resulted in darkening the sweet tamarind color and heightening up its moisture content (p≤0.05) Drying temperature at 60, 70 and 80oc revealed the higher the heat, the shorter the drying time and the sweet tamarind content was darker. In addition, drying significantly decreased the moisture and preference score of sweet tamarind (p≤0.05). The storage of sweet tamarind in a significant increase in the moisture of the sweet tamarind shell (p≤0.05) and could preserve the tamarind for at least 12 weeks without the deterioration from the fungus.
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