Yuliana, Neti and Nurdjanah, Siti and Setyani, Sri and Novianti, Dini (2017) Improving properties of sweet potato composite flour: Influence of lactic fermentation. In: AIP Conference Proceedings 1854, 020040 (2017), Surabaya, Indonesia.
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Abstract
The use of locally grown crops such as sweet potato as raw material for composite flour is considered advantageous as it reduces the importation of wheat flour. However the use of native sweetpotato flour has drawback properties when applied in the food. This study was aimed to modify sweet potato flour through six methods of lactic fermentation (spontaneous, pickle brine, Lb plantarum, Lc mesentereoides, a mixed of Lb plantarum and Lc mesentereoides, and mixed of Lb plantarum, Lc mesentereoides and yeast) to increase its properties in composite flour. Composite flours were obtained after fermentation of sweet potato slices for 48h in the proportion of 50% sweet potatoes flour and 50% wheat flour. pH, moisture content, swelling power, solubility, and pasting properties were determined for the fermented and unfermented composite flours. The results indicated that the composite fermented flours had better properties than those of non fermented flour. Fermentation increased swelling power, moisture content, meanwhile, solubility, and pH, decreased. Amylose leaching, however, was not significantly affected by the fermentation process.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Subjects: | S Agriculture > S Agriculture (General) |
| Divisions: | Fakultas Pertanian (FP) > Prodi Teknologi Hasil Pertanian |
| Depositing User: | Prof. Neti Yuliana |
| Date Deposited: | 25 Sep 2017 04:43 |
| Last Modified: | 25 Sep 2017 04:43 |
| URI: | http://repository.lppm.unila.ac.id/id/eprint/3931 |
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