Metaproteomic characterisation of a Shaoxing rice wine “wheat Qu” extract

► Extract of a Shaoxing rice wine “wheat Qu” was analysed using metaproteomic method. ► Within extract metaproteome 10 identified proteins originating from microorganisms. ► Within extract metaproteome 43 identified proteins originating from plants. ► Study of wine starter culture ecosystem by using metaproteomics for the first time.