Korea Institute of Science and Technology

Byung-Tae Ahn

Yang-Kyu Choi

Tae-Sook Jeong

Myung-Sook Choi

Song-Hae Bok

Surk-Sik Moon

Chul-Ho Lee

Yong-Kook Kwon

Eun-Sook Lee

Byung-Hwa Hyun

Sae-Bom Lee

Ki-Hwan Bae

Yong-Bok Park

Sung-Gyu Kim

Og-Sung Moon

A method for increasing the plasma high density lipoprotein(HDL) level in a mammal comprises administering a bioflavonoid of formula(I) or plant extract containing same thereto: ##STR1## wherein, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5.sub.7 R.sup.6, R.sup.7, R.sup.8 and R.sup.9 are each independently hydrogen; a hydroxy group; a C.sub.1-9 alkoxy group optionally substituted with one or more substituents selected from the group consisting of a hydroxy, C.sub.1-5 alkoxy, aryloxy, and phenyl group substituted with 1 to 3 substituents selected from the group consisting of a hydroxy, alkoxy, aryloxy, halogen, nitro and amido group; a C.sub.5-9 cycloalkyloxy group substituted with 1 to 3 substituents selected from the group consisting of a hydroxy, alkoxy, aryloxy, halogen, nitro and amido group; a C.sub.5-9 cycloalkylcarbonyloxy group substituted with 1 to 3 substituents selected from the group consisting of a hydroxy, alkoxy, aryloxy, halogen, nitro and amido group; a C.sub.2-10 or C.sub.16-18 acyloxy group optionally substituted with one or more substituents selected from the group consisting of a hydroxy, C.sub.1-5 alkoxy, aryloxy, and phenyl group substituted with 1 to 3 substituents selected from the group consisting of a hydroxy, alkoxy, aryloxy, halogen and nitro group; a rutinosyl group; or a rhaminosyl group; and

Bioflavonoids as plasma high density lipoprotein level increasing agent

A method for lowering the blood glucose level in a mammal comprises administering an effective amount of a hesperetin or naringenin bioflavonoid.

Method for lowering blood glucose level by the administration of

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Chungcheongbuk-do, South Korea

Byung-Tae Ahn