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Echinacea (Echinacea purpurea), green tea (Camellia sinensis) and yaylacayi (Thymus praecox OPIZ subsp. grossheimii (Ronniger) Jalas) are herbs used in traditional medicine because of their beneficial health effects. A high performance liquid chromatography (HPLC) post-column method was developed by
Major phenolic compounds from basil, lemon thyme, mint, oregano, rosemary, sage, and thyme were investigated using a high-performance liquid chromatography (HPLC) profiling technique in combination with DPPH-radical scavenging, xanthine oxidase and cyclooxygenase assays. For the present study, 15
The effects of 18 essential oils, yeast, Quebracho tannin and Quillaja saponin on ruminal methane and gas production (GP) were studied in vitro. A lactating cow diet was incubated with rumen inoculum. Doses of the additives (mg/L) were: essential oils = 500; tannin = 67; yeast = 8.35 and 16.7; and