Abstrak. Tujuan penelitian ini adalah untuk mengetahui karakteristik tepung labu kuning.   Parameter penelitian meliputi rendemen, kadar air, derajat keasaman (pH), kadar pati, uji organoleptik hedonik warna dan aroma. Data di analisa menggunakan ANOVA dan  excel. Hasil penelitian menunjukkan  nilai rata-rata rendemen tepung labu kuning tertinggi terdapat pada perlakuan 0 menit yaitu 11,33%, nilai rata-rata kadar air tepung labu kuning tertinggi terdapat pada perlakuan 60 menit yaitu 9,33%, nilai rata-rata derajat keasaman (pH) tertinggi terdapat pada perlakuan 0 menit yaitu 6,79,  nilai rata-rata kadar pati tertinggi terdapat pada perlakuan 40 menit yaitu 72,95%, nilai rata-rata uji organoleptik hedonik warna tertinggi terdapat pada perlakuan 60 menit yaitu 4,20 dengan skor 4 (suka), nilai rata-rata uji organoleptik hedonik aroma tertinggi terdapat pada perlakuan 0 menit yaitu 3,71 dengan skor 4 (suka).The Effect of soaking time in sodium metabisulfite solution on the characteristics of pumpkin Abstract. The purpose of this study was to determine the characteristics of pumpkin flour. The research parameters included yield, moisture content, acidity (pH), starch content, hedonic organoleptic color and aroma test. Data was analyzed using ANOVA and Excel. The results showed that the highest yield of pumpkin flour was at 0 minutes treatment which was 11.33%, the highest average value of water content of pumpkin flour was at 40 minutes treatment which was 9.33%, the average value of acidity degree (pH) is highest in 0 minute treatment, which is 6,793, the highest average value of starch is found in 40 minutes treatment which is 72.95%, the highest average hedonic organoleptic test value is found in 60 minutes treatment which is 4,20 with a score 4 (likes),  the highest average hedonic organoleptic test score was found at 0 minutes treatment which was 3.71 with a score 4 (likes).