Melanins are a group of dark insoluble pigments found widespread in nature. In mammals,
the brown-black eumelanins and the reddish-yellow pheomelanins are the main …

Olive oil sector witnesses an important growth due to the health benefits related to the
product. However, olive oil producing countries suffer from the considerable amount of …

Humic acid (HA) was extracted by a hydrothermal method from Huolinhe lignite from Inner
Mongolia. The effects of the alkali-to-carbon mass ratio, water-to-coal mass ratio, reaction …

Humic acids, a major constituent of natural organic carbon resources, are naturally formed
through the microbial biodegradation of animal and plant residues. Due to numerous …

Melanin is a complex natural pigment that is widely present in fungi. The mushroom
Ophiocordyceps sinensis has a variety of pharmacological effects. The active substances of …

Powerful adsorbents for heavy-metal removal from wastewater are attractive due to the
growing effluent of industries. Developing hydrogels is a current research interest in heavy …

Humic-like substances are essential components of soluble organic matter in tannery
wastewater. However, the tannery process can promote the abiotic humification in …

Polyphenols are organic substances commonly involved in a wide variety of industrial
processes. They are prone to polymerize with other organic chemicals during production …

Purpose The environmental impacts of the coffee industry are enormous, with large
quantities of solid and liquid wastes generated globally. In the last years, measures have …

Targeted delivery of chemotherapeutics in order to overcome side effects and enhance
chemosensitivity remains a major issue in cancer research. In this context, biocompatible oil …