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Characterization of Flakes Made in Corn Flour (Zea Mays) and Pumpkin (Cucurbita Moshcata) with Addition of Soybean Flour (Glicine Max) Saraswati, Lucia; Azima, Fauzan; Syukri, Daimon
Andalasian International Journal of Agriculture and Natural Sciences (AIJANS) Vol. 3 No. 02 (2022)
Publisher : Lembaga Penelitian dan Pengabdian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijans.v3.i02.42-66.2022

Abstract

ABSTRACT This study aims to determine the effect of adding soybean flour (Glicine max) to the chemical, physical, and organoleptic characteristics of flakes from a combination of corn (Zea mays) and pumpkin (Cucurbita moshcata) and to determine the best treatment for flakes produced based on chemical, physical characteristics, and it's organoleptic. The research method used is an experimental method with descriptive data analysis. This study used 5 treatments and 3 replications: A = (addition of 0 grams of soybean flour), B = (addition of 15 grams of soybean flour), C = (addition of 30 grams of soybean flour), D = (addition of 45 grams of soybean flour), and E = (addition of 60 grams of soybean flour). Observations made were chemical analysis in the form of water content, ash content, protein content, fat content, carbohydrate content, crude fiber content, and total amino acids in treatment C, as well as physical tests in the form of water absorption tests, color tests, and organoleptic tests in the form of color, aroma, taste, and texture. The results showed that the addition of soybean flour in the study of corn and pumpkin flour flakes affected water content, ash content, protein content, fat content, carbohydrate content, crude fiber content, water absorption, brightness (color), and preference level based on the color, flavor, taste, and texture of the resulting flakes. The best treatment of flakes produced was treatment C (addition of 30 grams of soybean flour) based on the panelists' preference level with quality characteristics, is: water content (6.43% ± 0.41), ash content (1.76% ± 0.19), protein content (9.78% ± 0.29), fat content (11.25% ± 0.69), carbohydrate content (70.89% ± 0.57), crude fiber content (2.81% ± 0.29), water absorption 368.31% ± 2.49), °Hue (78.57 ± 0.01) and organoleptic values ??(color 4.35; aroma 3.65; taste 4.10; texture 3, 70) with a total value of 9.72% amino acids and the types of amino acids identified are glutamic acids, leucine, aspartic acid, arginine, alanine, phenylalanine, valine, serine, isoleucine, tyrosine, threonine, lysine, histidine, glycine, and methionine. . threonine, lysine, histidine, glycine, and methionine. . threonine, lysine, histidine, glycine, and methionine. Keywords : Flakes, soybean flour, corn flour, pumpkin, characteristics, protein, amino acids.
Study of the Characteristics and Oxidative Stability of a Mixture of Avocado Oil and Coconut Oil Saraswati, Lucia; Aisman; Syukri, Daimon
Jurnal Penelitian Pendidikan IPA Vol 11 No 9 (2025): September: In Progress
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i9.12367

Abstract

This study aimed to evaluate the effect of blending avocado oil and coconut oil on the resulting physicochemical characteristics. Oil blends were prepared in six ratios of avocado oil to coconut oil (100:0; 80:20; 60:40; 40:60; 20:80; 0:100 v/v). The analyzed parameters included peroxide value, free fatty acids (FFA), iodine value, saponification value, fatty acid profile (GC-FID), and color test. The results showed that the blend in treatment C, with a ratio of avocado oil to coconut oil (60:40 v/v), yielded a peroxide value of 9.23 ± 0.32 meqO₂/kg, FFA of 0.73 ± 0.17%, iodine value of 47.33 ± 0.71 g I₂/100 g, and saponification value of 202.33 ± 0.54 mg KOH/g. The fatty acid profile was dominated by oleic acid, lauric acid, and palmitic acid. This blend produced a more diverse fatty acid profile and exhibited better oxidative stability compared to pure avocado oil. Therefore, blending avocado oil and coconut oil at a ratio of 60:40 v/v resulted in an oil product with a more varied fatty acid composition and improved oxidative stability compared to pure avocado oil.