*2.1.5. Industrial horticultural wastes*

There are lots of food processing industries. These industries use some hazardous materials for food processing such as coloring agents, dyes, by-products such as banana peels, coconut husks, and other extraneous bioactive compounds phenols, flavonoids, flavanols, anthocyanins always evolved in the processing industries as by-products (**Table 2**). Heavy and rapid disposal is required for this kind of wastes. If it is not disposed with the time, then it will appear as a biggest threat for human survival and environmental balance. Higher emissions of pollutant make the environment more vulnerable. So, without utilizing these types of compounds it can be delectable enough to make our environment polluted.
