Reactive oxygen species (ROS) generation is a usual phenomenon in a plant both under a
normal and stressed condition. However, under unfavorable or adverse conditions, ROS …

Heavy metals is a collective term describing metals and metalloids with a density higher
than 5 g/cm3. Some of them are essential micronutrients; others do not play a positive role in …

Ascorbic acid is synthesised by eukaryotes, the known exceptions being primates and some
other animal groups which have lost functional gulonolactone oxidase. Prokaryotes do not …

Contents Summary 1197 I. Introduction 1198 II. Measurement and imaging of H2O2 1198 III.
H2O2 and O2·− toxicity 1199 IV. Production of H2O2: enzymes and subcellular locations …

Vitamin C (l-ascorbic acid) is an excellent free radical scavenger, not only for its capability to
donate reducing equivalents but also for the relative stability of the derived …

Cadmium (Cd) pollution renders many soils across the world unsuited or unsafe for food-or
feed-orientated agriculture. The main mechanism of Cd phytotoxicity is the induction of …

Throughout evolution, a number of animals including humans have lost the ability to
synthesize ascorbic acid (ascorbate, vitamin C), an essential molecule in the physiology of …

Ascorbic acid (AsA) is an essential multifaceted phytonutrient for both the human diet and
plant growth. Optimum levels of AsA accumulation combined with balanced redox …

Ascorbate (vitamin C) is an essential antioxidant in fresh fruits and vegetables. To gain
insight into the regulation of ascorbate metabolism in plants, we studied mutant tomato …

Highlights•Ascorbate is an essential reductant/antioxidant in plants.•The concentration of
ascorbate varies between plant tissues and different plants.•GDP-galactose phosphorylase …