YOGHURT POWDER PRODUCTION USING A MICROWAVE-VACUUM DRIER

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GHADERI A.; ABBASI S.; HAMIDI Z.

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Journal: Iranian Food Science and Technology Research Journal Year:2010 | Volume:6 | Issue:3 Page(s): 210-222

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Information Journal Paper

Title

YOGHURT POWDER PRODUCTION USING A MICROWAVE-VACUUM DRIER

Author(s)

GHADERI A. | ABBASI S. | HAMIDI Z. | Issue Writer Certificate

Keywords

YOGHURTQ2

SHELF-LIFEQ2

MICROWAVEQ2

DRYINGQ2

QUALITYQ2

Abstract

Dehydration, as one of the practical ways to increase the SHELF-LIFE and applicability of YOGHURT in various foodstuffs, is normally done by freeze drier (FD) which is an expensive and time-consuming process. For these reasons, in the present study the capability of MICROWAVE–vacuum drier (MVD), as an alternative process, was investigated. For doing so, the fat free YOGHURT samples of 2.2, 4.2 and 6.2 mm were dehydrated under various combination of absolute pressures (60, 200, 400, 600, and 800 mbar) and MICROWAVE powers (35,130, and 260 W) using a lab scale drier designed in our lab. Based on our findings, the DRYING time of YOGHURT in MICROWAVE–vacuum drier for thickness of 2.2 mm was considerably (80%) shorter than commercial freeze-drier. In addition, the dependency of the DRYING time to absolute pressure was much less than MICROWAVE power and YOGHURT thickness. Furthermore, except the color and bulk density, the rest of the qualitative parameters of YOGHURT powders dehydrated by MVD and FD methods were almost similar. It should be noted that the highest resemblance in terms of QUALITY and color indices between FD and MVD powders was seen at combination of low MICROWAVE power and low absolute pressure (35 W, 60 mbar). All in all, the findings of this study showed the capability of MVD for production of YOGHURT and other food powders and this technique can be introduced as a potential alternative for FD.

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References

EFFECT OF INCREASING SOLIDS NON-FAT MILK AND CALCIUM CHLORIDE IN PHYSICOCHEMICAL AND SENSORY PROPERTIES CONCENTRATED YOGHURT

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APA: Copy

GHADERI, A., ABBASI, S., & HAMIDI, Z.. (2010). YOGHURT POWDER PRODUCTION USING A MICROWAVE-VACUUM DRIER. IRANIAN FOOD SCIENCE AND TECHNOLOGY RESEARCH JOURNAL, 6(3), 210-222. SID. https://sid.ir/paper/143741/en

Vancouver: Copy

GHADERI A., ABBASI S., HAMIDI Z.. YOGHURT POWDER PRODUCTION USING A MICROWAVE-VACUUM DRIER. IRANIAN FOOD SCIENCE AND TECHNOLOGY RESEARCH JOURNAL[Internet]. 2010;6(3):210-222. Available from: https://sid.ir/paper/143741/en

IEEE: Copy

A. GHADERI, S. ABBASI, and Z. HAMIDI, “YOGHURT POWDER PRODUCTION USING A MICROWAVE-VACUUM DRIER,” IRANIAN FOOD SCIENCE AND TECHNOLOGY RESEARCH JOURNAL, vol. 6, no. 3, pp. 210–222, 2010, [Online]. Available: https://sid.ir/paper/143741/en

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