In today’s world, it is known that potato become important commodity as it well spread around the continents. Because of not only nutrition content but also potato vastly consumed because of its highly yield per acre. However, there are some factors that contribute to the quality loss of potato itself, one of them is discoloration in raw potato. This experiment aimed to determine discoloration on some sort of potatoes due to cooking process. The experiment was conducted in the laboratory for sensory and consumer study, University of Goettingen from 04th to 08th of March 2019. There were three varieties of potato used in this experiment, namely Amanda (mealy potato), Queen Anne (mainly waxy potato), and Belana (waxy potato). The result was all samples experienced color changing as the number on each index are changing. Belana variety showed the lowest value of L and experienced the highest gap on before-after L value, which means this variety was the darkest among the other samples. The gap also high as before treatment value was 76,03 and become darker after treatment (63,53). On the contrary, Amanda variety experienced a slight darkening since the gap between before and after treatment was only 2.97 (from 74,34 to 71,37)
Keputusan konsumen sangat mempengaruhi hubungan antara harga dengan keputusan pembelian, di mana semakin mahal atau tinggi suatu harga maka keputusan pembelian semakin sedikit, sebaliknya jika harga murah atau rendah keputusan pembelian berubah semakin tinggi. Selain harga, terdapat faktor lain yang juga berpengaruh dalam keputusan pembelian yakni desain atau motif produk. Desain atau motif dari suatu produk merupakan salah satu faktor yang harus diperhatikan secara serius dari manajemen khususnya team pengembangan produk baru, karena tidak sedikit konsumen yang mempermasalahkan desain atau motif dari suatu produk yang mampu memenuhi kebutuhan dan keinginan konsumen. Penelitian ini bertujuan untuk menganalisis pengaruh harga terhadap keputusan membeli konsumen batik, menganalisis pengaruh desain produk terhadap keputusan membeli konsumen batik dan menganalisis pengaruh bersama harga dan desain produk terhadap keputusan membeli konsumen batik di Kabupaten Sumenep. Tujuan ini diharapkan nanti akan ditemukannya sejauh mana variable tersebut mempengaruhi penjualan atau minat beli konsumen. Analysis of variance merupakan metode untuk menguji hubungan antara satu variabel dependen (skala metrik) dengan satu atau lebih variabel independen (skala nonmetrik dengan level lebih dari dua). Hubungan antara satu variabel dependen metric dan dua variabel independen nominal sering disebut dengan Two Ways Anova. ANOVA digunakan untuk mengetahui pengaruh utama (main effect) dan pengaruh interaksi (interaction effect) dari variabel independen nominal (sering disebut faktor) terhadap variabel dependen metrik.
Hardcandy merupakan produk yang dihasilkan dari sukrosa (gula pasir) dan berbagai bahan tambahan (flavor, krimtartar, pewarna yang bertekstur keras. Mengkudu(morinda citrifolia) adalah tanaman yang memiliki buah dengan kandungan senyawa bioaktif. Penelitian ini bertujuan untuk mengetahui pembuatan hardcandy mengkudu dengan penambahan gula invert sebagai pangan fungsional. Metode yang digunakan dengan metode percobaan/eksperimen, kemudian dianalisis ANOVA lalu dilanjutkan dengan DMRT jika ada pembeda pada penambahan gula invert terhadap hasil yang diperoleh berdasarkan uji organoleptic. Hasil penelitian menyimpulkan penambahan gula invert berpengaruh nyata terhadap daya terima panelis Panelis suka hardcandy dengan gula invert 50%: sukrosa 50% dengan nilai 4,0.
Functional food is a nutrient that is needed by the body, besides the basic components contained in food. Supporting local resources such as spices, tuber crops, vegetables, fruit and so on. Noni is one of the potentials of local plants that are classified in functional food. Noni fruit is rarely liked because of the pungent aroma. With a touch of food engineering technology, the noni fruit can be used as a processed product in the form of snacks that contain nutrients for the body. This supports the research in making noni fruit products into leather candy that can be liked by the public. Noni leather candy formulation with the addition of palm sugar and ginger in a sequence of 25%, 35% and 10%, 20%, 35%. Stages of research using organoleptic (hedonic) tests on the taste, color, aroma, and texture of noni leather candy, using the two-way ANOVA Complete Randomized Design (RAL) method and continued with the Duncan's Method Range Test (DMRT). Panelists included 40 semi-trained, 60 nontrained. The resulting average in color is 3.82; taste 4,6; aroma of 3.58; texture 3.82. Based on these results, the dominant formulation preferred by panelists is A2J3 (35% palm sugar; 30% ginger) followed by laboratory testing which includes water content using a gravimetry /oven method, the result is 20.82%, ash content using a gravimetry method /furnace the result 3.99%, protein content using the Kjeldahl method /tool with a yield of 4.54%, fat content using the Soxhlet method with a yield of 0.07%, carbohydrate content using the method /tool by difference with a yield of 70.58%, antioxidant activity using DPPH produces 38.35Meg / 100gr and vitamin C content using the LOD titration method resulted in 225.7%.
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