Sago Street during the 1840s, there were numerous sago factories on the street. pith of the rumbia palm and made into flour that is used to make cakes. 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. In the late 19th century, the area was well known for its number of prostitute dens. By 1901, there were 14 brothels on the street alone. In the later part of the 20th century, the brothels vacated Sago Street and the shophouses underwent
Plant physiology plants produce a vast array of chemical compounds with unique properties which they use to cope with their environment. Pigments are used by plants to absorb or detect light, and are extracted by humans for use in dyes. Other plant products may be used for the manufacture of commercially important rubber or biofuel. Perhaps the most celebrated compounds from plants are those with pharmacological activity, such as salicylic acid from which aspirin is made, morphine, and digoxin. Drug companies spend billions of dollars each year researching plant compounds for potential medicinal benefits. Plants require some nutrients, such as carbon and