Perancangan Dan Pembuatan Sistem Refrigerasi Pada Sistem Pengering Beku Vakum…

ABSTRACT The vacuum freeze-drying method is one of the best drying processes for food preservation because it is able to remove moisture without compromising its quality. One type of fruit that has a low selling value is yam because the usage of yam is still limited and it has several weaknesses, including poor durability of fresh yam which is ± 5 days, easiness to spoil because it contai…