In vitro antioxidant activity of Compound Danshen Analysis of Bioactive Compounds and Antioxidant Activity About Feijoa (Accasellowiana) of Different Cultivars and Maturity Stage Effect of heavy metal contamination on the population of sulfate-reducing bacteria and the sulfate-reducing activity in paddy rice soils NO3-/NO2-  inhibits sulfatereducing activity of the enrichment culture of sulfatereducing prokaryotes from an offshore oil reservoir at Bohai Bay, China.