Sago climbing habit; the leaves are pinnate. Each palm trunk produces a single inflorescence at its tip at the end of its life. Sago palms are harvested at the age of 7–15 years, just before or shortly after the inflorescence appears and when the stems are full of starch stored for use in reproduction. One palm can yield 150–300 kg of starch. Sago is extracted from "Metroxylon" palms by splitting the stem lengthwise and removing the pith which is then crushed and kneaded to release the starch before being washed and strained to extract the starch from the fibrous residue. The
Sago Lane textile starch and hospital food. After processing, it was mostly re-exported to Europe and India. Sago became a staple export item for Singapore in 1834. In 1849, there were 15 Chinese and 2 European Sago factories in the area.Sago lane and Sago street became a prosperous manufacturing centre. During the 1850s, there were thirty sago factories in the town which had a total output of 8,000 tons annually. Many of the sago factories were in the Sago Street area. Sago lane in particular, was occupied by the Cantonese. Many of these factory workers lived in the area of these factories,