Plants cannot survive without glutathione (γ‐glutamylcysteinylglycine) or γ‐glutamylcysteine‐
containing homologues. The reasons why this small molecule is indispensable are not fully …

▪ Abstract Photoreduction of dioxygen in photosystem I (PSI) of chloroplasts generates
superoxide radicals as the primary product. In intact chloroplasts, the superoxide and the …

Studies on plant peroxidases are reviewed in this paper, including enzyme types and
localization, molecular structure, purification and identification and gene expression and …

Increasing the consumption of natural substances has increased the demand for biological
sources such as Spirulina platensis. The study quantitatively investigates the antioxidant …

Selenium (Se) is an essential element for many animals including humans, prokaryotes and
a few green algae. For plants, Se essentiality is yet to be demonstrated. Nevertheless, it is …

Humans are unable to synthesise l‐ascorbic acid (L‐AA, ascorbate, vitamin C), and are thus
entirely dependent upon dietary sources to meet needs. In both plant and animal …

▪ Abstract The production of reactive oxygen species (ROS), such as O2− and H2O2, is an
unavoidable consequence of aerobic metabolism. In plant cells the mitochondrial electron …

Chloroplasts and mitochondria are the powerhouses of photosynthetic cells. The oxidation‐
reduction (redox) cascades of the photosynthetic and respiratory electron transport chains …

▪ Abstract Plants vary considerably in their physiological response to selenium (Se). Some
plant species growing on seleniferous soils are Se tolerant and accumulate very high …

Active oxygen species (AOS) are involved in various aspects of seed physiology. Their
generation, which occurs during seed desiccation, germination and ageing, may lead to …