pú tao táng àn 
		glucosamine (C6H13NO5)
also written 氨基葡萄糖
		 
		
		
														
		
		
			 
		
				
		
			shuō pú tao suān 
		sour grapes (set expr. based on Aesop)
lit. to say grapes are sour when you can't eat them
		 
		
		
														
		
		
			 
		
				
		
			chī bù dào pú tao shuō pú tao suān 
		sour grapes (set expr. based on Aesop)
lit. to say grapes are sour when you can't eat them
		 
		
		
														
		
		
			 
		
				
		
			pú táo qiú jūn cháng dú sù 
		staphylococcal enterotoxin
		 
		
		
														
		
		
			 
		
				
		
			chī bù dào pú tao shuō pú tao suān 
		sour grapes (set expr. based on Aesop)
lit. to say grapes are sour when you can't eat them
		 
		
		
														
		
		
			 
		
				
		
			shù pú tao 
		jaboticaba
Brazilian grape tree
		 
		
		
		
		
			 
		
				
		
			pú táo xiōng yā 
		(bird species of China) American wigeon (Anas americana)