Lihlahisoa

Tšebeliso ea li-polyphenols hangata e amahanngoa le maemo a tlase a mafu a senyehang.Boholo ba li-antioxidants tsena tsa tlhaho li tsoa litholoana, meroho, linoko, lijo-thollo le litlama.Ka lebaka lena, ho bile le thahasello e ntseng e eketseha ea ho khetholla metsoako ea limela.Polymeric tannins le monomeric flavonoids, joalo ka catechin le epicatechin, ka makhapetla a phaene le li-extracts tsa tee e tala li ka ikarabella bakeng sa mesebetsi e phahameng ea antioxidant ea likhechana tsena.Sepheo sa thuto ea hona joale e ne e le ho hlahisa metsoako ea phenolic ka har'a makhapetla a phaene le li-extracts tse nang le tee e tala tse sebelisang metsi a sebetsang hantle a chromatography hammoho le electrospray ionization mass spectrometry (HPLC-ESI-QTOF-MS).Kakaretso ea metsoako e 37 le 35 ho tloha makhapetla a phaene le li-extracts tsa tee e tala, ka ho latellana, li ile tsa khetholloa e le tsa lihlopha tse sa tšoaneng tsa meralo, haholo-holo flavan-3-ol le lihlahisoa tsa eona (ho kenyeletsoa le procyanidins).Matla a antioxidant a li-extracts ka bobeli a ile a hlahlojoa ka mekhoa e meraro e tlamang ea ts'ebetso ea antioxidant: Trolox e lekanang le matla a antioxidant (TEAC), ferric reduction antioxidant power (FRAP) le oxygen radical absorbance capacity (ORAC).Ho ile ha fumanoa litekanyetso tse phahameng tsa ts'ebetso ea antioxidant ka mokhoa o mong le o mong.Ho phaella moo, likahare tsa polyphenol le flavan-3-ol kaofela, tse ileng tsa khethoa ke Folin-Ciocalteu le litlhahlobo tsa vanillin, ka ho latellana, li bontšitse palo e phahameng ea gallic acid le (+) -catechin e lekanang.