A new depside named salvianolic acid H was isolated from the aqueous extract of Salvia cavaleriei vat.simplicifolia,along with salvianolic acid A,B,C,isosalvianolic acid C,lithospermic acid, rosmarinic acid,R-(+)-β-(...A new depside named salvianolic acid H was isolated from the aqueous extract of Salvia cavaleriei vat.simplicifolia,along with salvianolic acid A,B,C,isosalvianolic acid C,lithospermic acid, rosmarinic acid,R-(+)-β-(3,4-dihydroxyphenyl)lacticacid and protocatechualdehyde.Rosmarinic acid was obtained as the major component.展开更多
Two centuries ago,Simón Bolivar penned his legendary Letter from Jamaica,in which he warned that the greatest danger for Latin America after independence would come not only from foreign powers,but also from its ...Two centuries ago,Simón Bolivar penned his legendary Letter from Jamaica,in which he warned that the greatest danger for Latin America after independence would come not only from foreign powers,but also from its own divisions.Newly independent states,if fractured and mistrustful,would remain vulnerable to new forms of domination.Unity,for Bolivar,was not a slogan,but a condition of survival.展开更多
文摘A new depside named salvianolic acid H was isolated from the aqueous extract of Salvia cavaleriei vat.simplicifolia,along with salvianolic acid A,B,C,isosalvianolic acid C,lithospermic acid, rosmarinic acid,R-(+)-β-(3,4-dihydroxyphenyl)lacticacid and protocatechualdehyde.Rosmarinic acid was obtained as the major component.
文摘Two centuries ago,Simón Bolivar penned his legendary Letter from Jamaica,in which he warned that the greatest danger for Latin America after independence would come not only from foreign powers,but also from its own divisions.Newly independent states,if fractured and mistrustful,would remain vulnerable to new forms of domination.Unity,for Bolivar,was not a slogan,but a condition of survival.