In order to alleviate the environmental pollution and energy crisis caused by petroleum-based plastics,biodegradable plastics are gradually becoming the focus and hot spot of the development of the plastics industry.Plant resources include a variety of available components,such as lignin,cellulose,vegetable oil,terpenes,etc.These natural polymers or small molecules can be used to prepare bioplastics,with the advantages of renewable,non-toxic,completely degradable and so on.This review includes two types of direct and indirect utilization(including chemical modification,biochemical modification and microbial fermentation)for plant resources,and focuses on the recent progress of eight plant components(cellulose,lignin,hemicellilose,starch,plant protein,vegetable oil,terpenes and tannins)in the field of bioplastics,and discusses in detail application characteristics of these natural plant components.Finally,the trend in future is also proposed.
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