Ngwaahịa

A na-ejikọkarị oriri nke polyphenols na obere ọnọdụ nke ọrịa mmebi.Ọtụtụ n'ime antioxidants eke sitere na mkpụrụ osisi, akwụkwọ nri, ngwa nri, ọka na herbs.N'ihi nke a, enweela mmasị na-arịwanye elu n'ịchọpụta ogige mmepụta ihe ọkụkụ.Polymeric tannins na monomeric flavonoids, dị ka catechin na epicatechin, na pine ogbugbo na akwụkwọ ndụ akwụkwọ ndụ tii wepụ nwere ike ịbụ maka ọrụ antioxidant dị elu nke ihe ndị a.Ebumnuche nke ọmụmụ ihe ugbu a bụ iji mara ogige phenolic dị na ogbugbo pine na tii tii na-etinye uche na ya site na iji chromatography mmiri na-arụ ọrụ dị elu tinyere electrospray ionization mass spectrometry (HPLC-ESI-QTOF-MS).Ngụkọta nke 37 na 35 ogige sitere na pine ogbugbo na akwụkwọ ndụ akwụkwọ ndụ tii, n'otu n'otu, ka achọpụtara dị ka ndị nwere klaasị nhazi dị iche iche, tumadi flavan-3-ol na ihe ndị sitere na ya (gụnyere procyanidins).A tụlere ikike antioxidant nke mịpụta abụọ ahụ site na ụzọ ọrụ atọ compl ementary antioxidant ikike: Trolox equivalent antioxidant ikike (TEAC), ferric mbenata ike antioxidant (FRAP) na oxygen radical absorbance ikike (ORAC).E nwetara ụkpụrụ ọrụ antioxidant dị elu site na usoro ọ bụla.Na mgbakwunye, mkpokọta polyphenol na flavan-3-ol, bụ nke Folin-Ciocalteu na vanillin assays kpebiri, n'otu n'otu, gosipụtara nnukwu galic acid na (+) -catechin dakọtara.