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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

Preference Responses of Wheat Flour Substitution with Jackfruit Seed Flour on Oyster Mushroom Nuggets Amelia Nirmalawaty; Tiurma Wiliana Susanti Panjaitan; Alamsyah Alamsyah
Jurnal Penelitian Pendidikan IPA Vol 9 No 7 (2023): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i7.4672

Abstract

The utilization of Jackfruit seeds is still limited as a snack even though it has no less nutritional substances than wheat flour, even the calories and carbohydrate content is lower so it has the potential to be processed into flour and is expected to substitute wheat flour. On the other, public concern about healthy foods with low-fat content has resulted in the need to develop sources of vegetable protein, one of which is oyster mushrooms which are processed into nuggets. This study aims to determine the preference response to oyster mushroom nugget products with jackfruit seed flour substitution The research treatment tested 4 treatment levels of substitution of wheat flour with Jackfruit seed flour, namely P0 (100% Wheat Flour), P1 (80% Wheat Flour + 20% Jackfruit Seed Flour), P2 (60% Wheat Flour + 40% Jackfruit Seed Flour), and P3 (Wheat Flour 40% + Jackfruit Seeds Flour 60%). The results show the substitution of jackfruit seed flour in mushroom nuggets oyster had an effect on the color, aroma, and taste of oyster mushroom nuggets and oyster mushroom nuggets had the best preference in t 20% substitution treatment.
Improving Waffle Quality through Substitution of Dragon Fruit Peel Flour Wulandari, Anita; Nirmalawaty, Amelia
Jurnal Penelitian Pendidikan IPA Vol 11 No 9 (2025): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i9.12126

Abstract

Since 2019, the price of dragon fruit has often plummeted during peak harvest periods, causing farmers to delay harvesting or even discard the fruit into rivers. Various studies have been conducted to optimize the utilization of its bioactive compounds, such as proteins, fats, organic acids, and minerals, to address this issue. One such approach is utilizing dragon fruit peel as flour. This study aims to determine the optimal substitution percentage of dragon fruit peel flour (TKBN) in waffles to improve their quality through De Garmo's effectiveness test. Four levels of wheat flour substitution with dragon fruit peel flour were applied: 0% (P0), 3% (P1), 6% (P2), and 9% (P3), each replicated four times. The results showed that increasing the substitution of dragon fruit peel flour decreased the moisture and fat content in waffles, while protein, fiber, ash, and carbohydrate content increased. All organoleptic variables declined as the substitution level increased. It was concluded that a 6% substitution of dragon fruit peel flour significantly increased fiber, protein, carbohydrate, and ash content while reducing fat content, although the fat reduction was not statistically significant.