Early Changes of Reactive Oxygen Species in 2,6-dichloroisonicotianic Acid Inducing Tolerance in Postharvest Banana Fruits Study on chemical constituents from roots and rhizomes of Acorus tatarinowii Study on chemical constituents in pollen of Typha angustifolia Study on chemical constituents of Typha angustifolia Early Changes of Reactive Oxygen Species in 2,6-dichloroisonicotianic Acid Inducing Tolerance in Postharvest Banana Fruits Discovery of potential nicotinic acid receptor agonists from Chinese herbal medicines based on molecular simulation