Polyphenols are one of the largest and most widespread groups of secondary metabolites in
the plants world. These compounds are of particular interest due to their occurrence and the …

Betulin, a pentacyclic triterpene and a plant pentacyclic triterpene metabolite, can be found
in large quantities in the outer bark of the birches (Betula, Betulaceae). Betulinic acid …

Tannins are phenolic compounds with considerable abundance in nature. They have
attracted significant attention lately owing to their huge variety of potential applications …

Ultrasound assisted extraction (UAE) of antioxidant polyphenols from Aronia melanocarpa
berries was studied. The influence of various parameters (time and temperature of …

Box–Behnken response surface methodology was used to investigate and optimize
microwave assisted extraction (MAE)(treatment power and time) of antioxidant compounds …

Numerous plant‐derived substances, and their derivatives, are effective antitumour and
chemopreventive agents. Yet, there are also a plethora of tumour types that do not respond …

Ethnopharmacological relevance Trees and shrubs of the genus Betula (Betulaceae) inhabit
various ecosystems in temperate and boreal climate zones of the northern hemisphere. The …

Bioactive molecules are those capable of interacting with living organisms, causing changes
in them. Wood extractives contain important amounts of these molecules, and some of them …

Four polysaccharides (GLP-I, GLP-II, GLP-III and GLP-IV) were obtained from fermented
soybean curd residue by Ganoderma lucidum, and then purified using anion-exchange …

The performance of four techniques, conventional maceration, Soxhlet extraction,
microwave assisted extraction (MAE), and ultrasound assisted extraction (UAE), for …