STUDI PEMBUATAN COOKIES UBI JALAR UNGU YANG
DISUBSTITUSI DENGAN TEPUNG GARUT
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Institusion
Universitas PGRI Semarang
Author
ASTRINIA, LILA
Subject
L Education (General)
Datestamp
2024-11-05 03:25:13
Abstract :
Umbi-umbian memiliki potensi yang cukup besar, namun pemanfaatannya masih terbatas, salah satunya ubi jalar ungu. Maka perlu upaya untuk mengembangkannya menjadi produk cookies. Penelitian ini bertujuan untuk mengetahui pengaruh subtitusi tepung garut terhadap karakteristik fisik, kimia, dan organoleptik cookies ubi jalar ungu. Penelitian ini menggunakan faktorial dengan dasar Rancangan Acak Lengkap (RAL), dengan perlakuan perbandingan tepung ubi jalar ungu dengan tepung garut 20%:80%, 40%:60%, 60%:40%, 80%:20%, dan kontrol menggunakan tepung terigu 100%. Hasil penelitian karakteristik warna menunjukkan warna L* dengan nilai 12,18, a* dengan nilai - 0,31, dan nilai b* 15,88. Sedangkan pada tekstur diperoleh nilai 1,5 mm/g/dt. Hasil dari penelitian kadar air berkisar 2,81%-4,55%. Hasil analisis kadar abu berkisar 1,79%-2,2%. Hasil analisis kadar serat kasar berkisar 1,92%-2,89%. Hasil analisis kadar lemak berkisar 36,07%-36,69%. Analisis organoleptik warna diperoleh cookies ubi jalar ungu dengan nilai tertinggi pada perlakuan 80%:20% yaitu 4, yang menunjukkan cookies berwarna ungu tua. Organoleptik rasa diperoleh cookies ubi jalar ungu dengan nilai tertinggi pada perlakuan 80%:20% dengan nilai 4, yaitu terasa ubi ungu. Organoleptik aroma diperoleh cookies ubi jalar ungu dengan nilai tertinggi pada perlakuan 80%:20% dengan nilai 4, yaitu beraroma ubi ungu. Organoleptik tekstur diperoleh cookies ubi jalar ungu dengan nilai tertinggi pada perlakuan 80%:20% dengan nilai 4, yaitu betekstur keras. Kata kunci: cookies, substitusi, tepung garut, ubi jalar ungu Tubers have considerable potential, but their use is still limited, one of which is purple sweet potato. Then it needs efforts to develop it into a cookie product. This study aims to determine the effect of arrowroot flour substitution on physical, chemical, and organoleptic characteristics of purple sweet potato cookies. This research uses factorial based on a completely randomized design (CRD), with a comparison of purple sweet potato flour with arrowroot flour 20%: 80%, 40%: 60%, 60%: 40%, 80%: 20%, and control using 100 flour %. The results of the color characteristics show the color L * with a value of 12.18, a * with a value of -0.31, and a value of b * 15.88. While in the texture obtained a value of 1.5 mm / g / sec. The results of the study water content ranged from 2.81% -4.55%. The results of the analysis of ash content ranged from 1.79% - 2.2%. The results of the analysis of crude fiber content ranged from 1.92% - 2.89%. The results of the analysis of fat content ranged from 36.07% to 36.69%. Organoleptic analysis of color obtained purple sweet potato cookies with the highest value at 80%: 20% treatment that is 4, which shows dark purple cookies. Organoleptic taste was obtained by purple sweet potato cookies with the highest value at 80%: 20% treatment with a value of 4, namely tasted purple sweet potato. The aroma organoleptic obtained purple sweet potato cookies with the highest value in the treatment of 80%: 20% with a value of 4, namely scented purple sweet potato. Organoleptic texture obtained by purple sweet potato cookies with the highest value in the treatment of 80%: 20% with a value of 4, namely hard texture. Keywords: cookies, substitution, arrowroot flour, purple sweet potato
Umbi-umbian memiliki potensi yang cukup besar, namun pemanfaatannya masih terbatas, salah satunya ubi jalar ungu. Maka perlu upaya untuk mengembangkannya menjadi produk cookies. Penelitian ini bertujuan untuk mengetahui pengaruh subtitusi tepung garut terhadap karakteristik fisik, kimia, dan organoleptik cookies ubi jalar ungu. Penelitian ini menggunakan faktorial dengan dasar Rancangan Acak Lengkap (RAL), dengan perlakuan perbandingan tepung ubi jalar ungu dengan tepung garut 20%:80%, 40%:60%, 60%:40%, 80%:20%, dan kontrol menggunakan tepung terigu 100%. Hasil penelitian karakteristik warna menunjukkan warna L* dengan nilai 12,18, a* dengan nilai - 0,31, dan nilai b* 15,88. Sedangkan pada tekstur diperoleh nilai 1,5 mm/g/dt. Hasil dari penelitian kadar air berkisar 2,81%-4,55%. Hasil analisis kadar abu berkisar 1,79%-2,2%. Hasil analisis kadar serat kasar berkisar 1,92%-2,89%. Hasil analisis kadar lemak berkisar 36,07%-36,69%. Analisis organoleptik warna diperoleh cookies ubi jalar ungu dengan nilai tertinggi pada perlakuan 80%:20% yaitu 4, yang menunjukkan cookies berwarna ungu tua. Organoleptik rasa diperoleh cookies ubi jalar ungu dengan nilai tertinggi pada perlakuan 80%:20% dengan nilai 4, yaitu terasa ubi ungu. Organoleptik aroma diperoleh cookies ubi jalar ungu dengan nilai tertinggi pada perlakuan 80%:20% dengan nilai 4, yaitu beraroma ubi ungu. Organoleptik tekstur diperoleh cookies ubi jalar ungu dengan nilai tertinggi pada perlakuan 80%:20% dengan nilai 4, yaitu betekstur keras. Kata kunci: cookies, substitusi, tepung garut, ubi jalar ungu Tubers have considerable potential, but their use is still limited, one of which is purple sweet potato. Then it needs efforts to develop it into a cookie product. This study aims to determine the effect of arrowroot flour substitution on physical, chemical, and organoleptic characteristics of purple sweet potato cookies. This research uses factorial based on a completely randomized design (CRD), with a comparison of purple sweet potato flour with arrowroot flour 20%: 80%, 40%: 60%, 60%: 40%, 80%: 20%, and control using 100 flour %. The results of the color characteristics show the color L * with a value of 12.18, a * with a value of -0.31, and a value of b * 15.88. While in the texture obtained a value of 1.5 mm / g / sec. The results of the study water content ranged from 2.81% -4.55%. The results of the analysis of ash content ranged from 1.79% - 2.2%. The results of the analysis of crude fiber content ranged from 1.92% - 2.89%. The results of the analysis of fat content ranged from 36.07% to 36.69%. Organoleptic analysis of color obtained purple sweet potato cookies with the highest value at 80%: 20% treatment that is 4, which shows dark purple cookies. Organoleptic taste was obtained by purple sweet potato cookies with the highest value at 80%: 20% treatment with a value of 4, namely tasted purple sweet potato. The aroma organoleptic obtained purple sweet potato cookies with the highest value in the treatment of 80%: 20% with a value of 4, namely scented purple sweet potato. Organoleptic texture obtained by purple sweet potato cookies with the highest value in the treatment of 80%: 20% with a value of 4, namely hard texture. Keywords: cookies, substitution, arrowroot flour, purple sweet potato
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