Table 4. Identifying results of associated metabolites for Alzheimer's disease.

Metabolite Names	HMDB ID	Evidences
L-Tryptophan	HMDB0000929	PMID:17031479
L-Phenylalanine	HMDB0000159	PMID:23857558
Homocysteine	HMDB0000742	PMID: 29024723
L-Alanine	HMDB0000161	PMID:21292280
Uric acid	HMDB0000289	PMID: 30060474
Glycine	HMDB0000123	PMID:20858978
Homovanillic acid	HMDB0000118	PMID: 28166276
L-Tyrosine	HMDB0000158	PMID:24898638
Hypoxanthine	HMDB0000157	PMID:24898638
Cholesterol	HMDB0000067	PMID: 27773727