Pengaruh Variasi Lama Simpan Dan Frekuensi Ekstraksi Terhadap Kandungan Gula Ekstrak Buah Labu Kuning (Cucurbita Moschata)

Abstract

The purpose of this research was to determine the optimal condition for the storage duration of pumpkins and fre- quency of extraction in order to produce extract which has maximal sugar content and minimal volume. This research was done on post harvest pumpkins which were stored for 0, 2, 4, 6, 8, 12 weeks. Pumpkins were peeled, crushed and pressed using hydraulic hand press for 1, 2, 3, 4, 5 times of extractions. The extract were analysed for chemical proper- ties i.e. total sugar content, reducing sugar content, pH, and physical properties i.e. turbidity, and colour. The result showed that the extract of pumpkins which had maximal total sugar content but with low volume could be produced on pumpkins which stored for 8-12 weeks, and extracted twice