Abstract: The present invention easily and efficiently provides a peroxisome proliferator-activated receptor ligand, and a composition for amelioration of insulin resistance or for prevention and/or amelioration of the insulin resistance syndrome containing the same, as an active ingredient. The present invention relates to a peroxisome proliferator-activated receptor ligand which comprises a prenylflavonoid, a chalcone derivative exclusive of prenylflavonoids, a flavonol derivative exclusive of prenylflavonoids, and a salt, a glycoside and/or an esterified substance thereof acceptable as a pharmaceutical preparation or a food or a beverage; a composition containing the above ligand; a plant-derived extract containing the above ligand; and a process for producing the above extract.

Abstract: There are provided novel compounds that have been extracted and isolated from a plant belonging to the family Compositae. Compounds represented by general formula (I): wherein R1 represents hydroxyl and R2 represents methoxy.

Abstract: The present invention easily and efficiently provides a peroxisome proliferator-activated receptor ligand, and a composition for amelioration of insulin resistance or for prevention and/or amelioration of the insulin resistance syndrome containing the same, as an active ingredient. The present invention relates to a peroxisome proliferator-activated receptor ligand which comprises a prenylflavonoid, a chalcone derivative exclusive of prenylflavonoids, a flavonol derivative exclusive of prenylflavonoids, and a salt, a glycoside and/or an esterified substance thereof acceptable as a pharmaceutical preparation or a food or a beverage; a composition containing the above ligand; a plant-derived extract containing the above ligand; and a process for producing the above extract.

Abstract: The present invention easily and efficiently provides a peroxisome proliferator-activated receptor ligand, and a composition for amelioration of insulin resistance or for prevention and/or amelioration of the insulin resistance syndrome containing the same, as an active ingredient. The present invention relates to a peroxisome proliferator-activated receptor ligand which comprises a prenylflavonoid, a chalcone derivative exclusive of prenylflavonoids, a flavonol derivative exclusive of prenylflavonoids, and a salt, a glycoside and/or an esterified substance thereof acceptable as a pharmaceutical preparation or a food or a beverage; a composition containing the above ligand; a plant-derived extract containing the above ligand; and a process for producing the above extract.

Abstract: The present invention has its object to provide a specific compound derived from a naturally occurring substance, and a composition for the prevention and/or treatment of metabolic syndrome and insulin resistance syndrome which comprises that as an active ingredient, easily and efficiently. The present invention relates to a composition for the prevention and/or treatment of metabolic syndrome and a composition for the prevention and/or treatment of insulin resistance syndrome, each of which comprises, as an active ingredient, at least one compound selected from among the compound represented by the formula (1), compounds represented by the formula (4) and compounds represented by the formula (5), or a salt or ester thereof.

Abstract: There are provided novel compounds that have been extracted and isolated from a plant belonging to the family Compositae. Compounds represented by general formula (I): wherein R1 represents hydroxyl and R2 represents methoxy.

Abstract: The object of the present invention is to provide PPAR? ligand derived from naturally occurring sources and a composition for preventing and/or improving Insulin Resistance Syndrome, diabetes mellitus, obesity or visceral fat obesity comprising the PPAR? ligand as an active agent. The present invention relates to a ligand for peroxisome proliferator-activated receptor which comprises curcumin or its derivatives. The composition according to the present invention, which comprises the PPAR? ligand as an active agent is useful for preventing and/or improving Insulin Resistance Syndrome, diabetes mellitus, obesity or visceral fat obesity.

Abstract: The present invention easily and efficiently provides a peroxisome proliferator-activated receptor ligand, and a composition for amelioration of insulin resistance or for prevention and/or amelioration of the insulin resistance syndrome containing the same, as an active ingredient. The present invention relates to a peroxisome proliferator-activated receptor ligand which comprises a prenylflavonoid, a chalcone derivative exclusive of prenyl flavonoids, a flavonol derivative exclusive of prenylflavonoids, and a salt, a glycoside and/or an esterified substance thereof acceptable as a pharmaceutical preparation or a food or a beverage; a composition containing the above ligand; a plant-derived extract containing the above ligand; and a process for producing the above extract.

Abstract: The object of the present invention is to provide PPAR&ggr; ligand derived from naturally occurring sources and a composition for preventing and/or improving Insulin Resistance Syndrome, diabetes mellitus, obesity or visceral fat obesity comprising the PPAR&ggr; ligand as an active agent.

Abstract: The object of the present invention is to provide PPAR&ggr; ligand derived from naturally occurring sources and a composition for preventing and/or improving Insulin Resistance Syndrome, diabetes mellitus, obesity or visceral fat obesity comprising the PPAR&ggr; ligand as an active agent.