<p>Nasi kuning instan menjadi salah satu alternatif menu sarapan pagi karena memiliki waktu penyajian yang singkat. Tujuan penelitian ini adalah untuk menghasilkan formula terbaik produk nasi kuning instan dengan waktu rehidrasi yang optimum dan menentukan karakteristik fisikokimia produk nasi kuning instan. Faktor yang diuji adalah formulasi bumbu (kontrol dengan menggunakan bumbu instan, formula A menggunakan 1 paket bumbu nasi kuning, formula B menggunakan 1,25 paket bumbu nasi kuning dan formula C menggunakan 1,50 paket bumbu nasi kuning) dan kadar amilosa beras (rendah, sedang dan tinggi). Hasil uji analisis <em>one way anova</em> menunjukkan bahwa antara formulasi dan kadar amilosa beras berbeda secara nyata dari karakteristik fisikokimia nasi kuning instan (p<0,05). Formula dan nasi kuning instan yang terpilih adalah formula 1,25 paket bumbu nasi kuning dari beras Sintanur dengan kadar amilosa rendah adalah waktu rehidrasi 4,59 menit, rendemen 90,23%, volume pengembangan 30,89%, daya serap air 49,68%, densitas kamba 0,62 g/mL, nilai °<em>Hue</em> diatas 90%, dan nilai kekerasan 74,03%. Produk ini mengandung kadar air 8,07%, abu 3,35%, protein 9,19%, lemak 2,08%, karbohidrat 76,32%, dan kadar pati 64,11 %.</p><p> </p><p><strong>Formulation, Characterization, and Optimization of the Rehydration of Yellow Rice Instant.</strong></p><p>Instant yellow rice is an alternative to breakfast because it has a short testing time. The purpose of this study was to produce the best formula for instant yellow rice products with optimum rehydration time and determine the physicochemical characteristics of instant yellow rice products. Factors tested were seasoning formulations (control using instant seasoning, formula A using 1 package of yellow rice seasoning, formula B using 1,25 package of yellow rice seasoning and formula C using 1,50 packages of yellow rice seasoning) and amylose content of rice (low, medium and high). One way ANOVA analysis results showed that between the formulation and amylose content of rice was significantly different from the physicochemical characteristics of instant yellow rice (p <0,05). The formula and instant yellow rice selected were formula 1,25 package of yellow rice seasoning from Sintanur rice with low amylose content, rehydration time 4,59 minutes, yield 90,23%, development volume 30,89%, water absorption 49,68%, kamba density 0,62 g/mL , the ° Hue value is above 90%, and the hardness value is 74,03%. This product contains 8,07% water content, 3,35% ash, 9,19% protein, 2,08% fat, 76,32% carbohydrate, and 64,11% starch content.</p>
Lingzhi mushroom is widely used as an alternative treatment to reduce blood pressure and blood sugar levels, to maximize the potential of the Lingzhi fungus antioxidant tests are carried out. This study aims to determine the potential antioxidant activity of water extract and 70% ethanol extract of Lingzhi mushroom with maceration extraction time variation and identification of compounds with Liquid Chromatography Mass Spectrometry (LC-MS). This research begins with the determination of fresh lingzhi mushrooms then made simplicia and extracted by maceration with time variation with soaking time of 24 hours, 48 hours and 72 hours each with 2 solvents namely water and 70% ethanol. The extract was tested by phytochemistry followed by testing the antioxidant activity of Lingzhi mushroom extract (ganoderma lucidum) by DPPH method. Then the compounds were identified by Liquid Chromatography-Mass Spectrometry (LC-MS). Based on the results of research that maceration for 1 hour (1 day) Lingzhi mushroom with 70% ethanol extraction has the potential as an antioxidant with an IC50 value of 94.83 ppm. The results of identification with LC-MS in 70% ethanol extract as a compound that has potential as an antioxidant are Bisphenol M compounds, and 1- - [[2- (3,4-Dimethoxyphenyl) amino]} -3-methyl-2-octylpyrido [1 , 2-a] benzimidazole-4-carbonitrile.
Diversifikasi produk pangan merupakan salah satu cara untuk menunjang ketahanan pangan. Ubi kayu (Manihot esculenta Crantz) dapat digunakan sebagai bahan pangan alternatif pengganti beras yang diolah menjadi flakes. Salah satu komponen bioaktif pada ubikayu yaitu skopoletin suatu senyawa fenolik yang mempunyai aktivitas antioksidan. Penelitian ini dilakukan dengan cara mensubstitusi tepung ubi kayu pada pembuatan flakesubi kayu menggunakan tepung kacang merah dengan berbagai perbandingan tepung ubikayu : tepung kacang merah yaitu 5:0, 4:1, 3:2, 2:3 dan 1:4. Produk olahan dianalisiskandungan vitamin C, A, E, tingkat penerimaan dengan uji organoleptik dan uji aktivitasantioksidan dengan metode DPPH (1,1-difenil-2-pikrilhidrazil). Analisis kadar vitamin Cmenggunakan metode spektrofotometri, sedangkan vitamin A dan E dengan metode HPLC.Hasil penelitian menunjukkan flakes ubi kayu dengan penambahan tepung kacang merahpada formula flakes 3:2 merupakan formulasi yang lebih disukai oleh panelis, dengankandungan vitamin C 5,23 ppm, vitamin A 166,05 IU/100 gram, nilai IC50397,06 ppm, dantidak mengandung vitamin E.
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