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All Journal CHEMICA Jurnal Teknik Kimia SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi)
Siti Mutmaina
Universitas Ahmad Dahlan
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Modified Pumpkin Flour Using Hydrogen Rich Water with a Microwave Dryer Gita Indah Budiarti; Ayu Wulandari; Siti Mutmaina; Endah Sulistiawati
CHEMICA: Jurnal Teknik Kimia Vol 7, No 1 (2020): Juni 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/chemica.v7i1.16230

Abstract

Pumpkin is a fruit that contains fiber and vitamin A which works to prevent diabetes. Pumpkin's use is not optimal, so it needs innovation for Pumpkin, one of which is to make Pumpkin into flour. Pumpkin does not have gluten, so modification is needed. Modifications used are using hydrogen-rich water with a microwave dryer. Hydrogen-rich water has antioxidant content and is safer for the modification of starch food. The purpose of this study was to determine the physicochemical properties (water content and expandability) and beta carotene levels in HRW-modified flour using a microwave dryer. First, Pumpkin soaked with a variation of time 1, 2, 3, 4, and 5 hours. The optimal results of water capacity and beta carotene levels were obtained at the immersion time of 1 hour by 11%, 7.4 g/g of sample, and 3,164.79 μg/g. The results obtained are higher than the modification of HRW without a microwave dryer.
PEMANFAATAN TEPUNG LABU KUNING MODIFIKASI HYDROGEN RICH WATER KEPADA MASYARAKAT Gita Indah Budiarti; Ayu Wulandari; Siti Mutmaina
SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Vol. 1 No. 1 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/spekta.v1i1.2646

Abstract

Pumpkin flour is one alternative wheat substitute flour that has an advantage in terms of nutritional value, other than that the pumpkin fruit in Indonesia is quite abundant so it is potential to be used as food as well as subtituen wheat flour. The purpose of this research is to know the effect of treatment by soaking the pumpkin using hydrogen rich water to the physicochemical characteristics of starch as well as the texture, aroma and taste of processed pumpkin flour cake. The method done is to immersion using hydrogen rich water pH 5 and 9 for 1, 2, 3, 4 and 5 hours and then dried using a microwave and mashed with a blender then sifted using screening. Analysis conducted  favorite test. The results showed that in the processed cakes shows the texture, aroma and distinctive flavor of the yellow pumpkin. Pumpkin flour is good to be used as a mixture of wheat flour in the manufacturing of various food processed such as wet cakes and biscuits.
Co-Authors Ayu Wulandari Endah Sulistiawati Gita Indah Budiarti