Objective: To study the flavonoids constituents of the aerial parts of Blumea balsamifera. Method: The compounds were isolated and purified by silica gel

Sephadex LH-20

medium pressure column chromatography

and their structures were elucidated by spectral methods and chemical analysis. Result: Twelve compounds were isolated and their structures were identified as 3

3’

5

5’

7-pentahydroxyflavanone(1)

3

3’

4’

5-tetrahydroxy-7-methoxyflavanone(2)

chrysoeriol(3)

3’

4’

5-trihydroxy-3

7-dimethoxyflavone(4)

diosmetin(5)

3

3’

4’

5-tetrahydroxy-7-methoxyflavone(6)

3

5-dihydroxy-3’

4’

7-trimethoxyflavone(7)

chrysosplenol C(8)

3

3’

5-trihydroxy-4’

7-dimethoxyflavanone(9)

blumeatin(10)

3

3’

5

7-tetrahydroxy-4’-methoxyflavanone(11)

3’

5

5’

7-tetrahydroxyflavanone (12). Conclusion: Among them

compounds 1

3-5 and 8 were isolated from the genus Blumea for the first time

and compounds 6

7 were isolated from B. balsamifera for the first time.