Abstract Solanum plants (Solanaceae) are renowned source of nutraceuticals and have widely been explored for their phytochemical constituents. This work investigated the effects kosmotropic chaotropic salts on number phytochemicals extracted from leaves a nutraceutical plant, retroflexum, analyzed ultra-performance liquid chromatography hyphenated to quadrupole time flight mass spectrometer (UP...

When genome sections of wild Solanum species are bred into the cultivated potato (S. tuberosum L.) to obtain improved potato cultivars, the new cultivars must be evaluated for their beneficial and undesirable traits. Glycoalkaloids present in Solanum species are known for their toxic as well as for beneficial effects on mammals. On the other hand, glycoalkaloids in potato leaves provide natural...

Glycoalkaloids in leaves and potato tubers depending on herbicide application with biostimulants | Krystyna Zarzecka, Marek Gugała, Iwona Mystkowska, Anna Sikorska, Łukasz Domański Agricultural Journals

The primary objective of this thesis was to investigate the sterol metabolism of two pathogenic oomycetes, specifically the processes of sterol synthesis and sterol acquisition in the fish pathogen Saprolegnia parasitica (Saprolegniales) and the plant pathogen Phytophthora infestans (Peronosporales). Furthermore, the effects of steroidal glycoalkaloids from Solanaceous plants, on P. infestans, ...

A chemical ecological model can be the basis for defining testable hypotheses concerning human interactions with plants. Selection by A ymara subsistence cultivators against toxic glycoalkaloids in the ongoing domestication o f the Bolivian potato cultigen Solanum x ajanhuiri was used as a specific case study of human interactions with phytochemicals. In taste perception tests, A ymara subjects...

Steroidal glycoalkaloids (SGAs) are secondary metabolites of Solanaceous plants. Two predominant glycoalkaloids, a-chaconine and asolanine are produced in potatoes. An antisense transgene was constructed to down-regulate glycoalkaloid biosynthesis using a potato cDNA encoding a sterol alkaloid glycosyltransferase (Sgt1). Introduction of this construct into potatoes resulted in some lines with a...

Background Phytochemical analysis of the fruits of Solanum lycocarpum, popularly known as “fruit of the wolf”, showed high concentrations of steroidal alkaloids, such as solasonine and solamargine which are substances with potential cytotoxic activity [1]. The cytotoxic activity displayed by these compounds may be due to presence of sugar moieties (rhamnose). Since there is interaction of glyco...

Potato (Solanum tuberosum L.), a domesticated species that is the fourth most important world agricultural commodity, requires significant management to minimize the effects of herbivore and pathogen damage on crop yield. A wild relative, Solanum chacoense Bitt., has been of interest to plant breeders because it produces an abundance of novel steroidal glycoalkaloid compounds, leptines and lept...

certain potato cultivars such as native potato species (nps) from the andes are known to have resistances to different pests and diseases. some accessions are also interesting from a nutritional and culinary perspective. a collection of 35 nps and 11 old spanish accessions were analysed for streptomyces scabies, rhizoctonia solani and globodera rostochiensis, as well as dry matter, reducing sug...