The biological pigment melanin is present in most of the biological systems. It manifests a
host of biological and pharmacological properties. Its role as a molecule with special …

Background Gastrointestinal and respiratory diseases in calves and piglets lead to
significant economic losses in livestock husbandry. A high morbidity has been reported for …

Two pigmented wheat genotypes (blue and purple) and two black barley genotypes were
fractionated in bran and flour fractions, examined, and compared for their free radical …

We reported previously that a high molecular weight polysaccharide fraction (Immulina) from
Spirulina was a potent activator of NF-kappa B and induced both IL-1 β and TNF-α mRNAs …

Antioxidant and antimicrobial activities of Echinacea purpurea L.(Asteraceae) extracts
obtained by classical and ultrasound solvent extraction were compared. The dry aerial part …

Recent studies have indicated that cytokines can enhance immunogenicity and promote
tumor regression. However, the means for modulating cytokine production are not yet fully …

As the coronavirus disease 2019 (COVID‑19) continues to spread worldwide, it has become
evident that the morbidity and mortality rates clearly vary across nations. Although several …

COVID-19 is the respiratory illness caused by the novel coronavirus, SARS-CoV-2. Cytokine
storm appears to be a factor in COVID-19 mortality. Echinacea species have been used …

The demand for cosmetics with natural ingredients is stronger than ever, being now widely
considered a serious challenge to the worldwide economy and society. In the field of wine …

The presence of latent bacteria is a serious problem in plant tissue cultures. While
endophytes are generally beneficial to plants in situ, they may affect culture growth under …