نتایج جستجو برای: boraginaceae echium l.
تعداد نتایج: 618809 فیلتر نتایج به سال:
boraginaceae family is known as a medicinal plant classified in dicotyledons. it is originated from asia (middle east). the aim of this study was to evaluate ingredient between 4 species of boraginaceae family based on physiological & phytochemical traits as well as seed fatty acid contents. 4 species (e. russicum, e. italicum, e. amoenum, and b. officinalis ) were evaluated carefully. all se...
The methanolic extract of the whole plant of Echium glomeratum Poir. (Boraginaceae) has afforded five pyrrolizidine alkaloids, three that were (7S, 8R)-petranine (1), (7S, 8S)-petranine (2), and (7R, 8R)-petranine (3a) or (7R, 8S)-petranine (3b), comprising a tricyclic pyrrolizidine alkaloids subclass; and two that were known but to the species: 7-angeloylretronecine (4) and 9-angeloylretroneci...
Non-enzymatic glycation of proteins is the major cause of diabetic complications and therefore, inhibition of this reaction could reduce the morbidity of this disease. The aim of this study was to evaluate the in vitro effects of aqueous and hydroethanol extracts of Echium italicum L., Anchusa arvensis L. and Trichodesma incanum (Bunge) A. DC. of Boraginaceae on albumin, hemoglobin, and crystal...
Echimidine was isolated from Echium rauwolfii and Echium horridum and identified by MS, 1H- and 13C NMR as a major alkaloid. In addition, structures of 12 minor alkaloids were inferred from GLC and GLC-MS analyses: 7-angeloylretronecine, 7-tigloylretronecine, lycopsamine, 7-acetyllycopsamine, uplandicine, 7-angeloyllycopsamine, 7-tigloyllycopsamine, tigloyl isomer of echimidine, 7-angeloyl-9-(2...
Various plant seeds have received little attention in fatty acid research. Seeds from 30 species mainly of Boraginaceae and Primulaceae were analysed in order to identify potential new sources of the n-3 PUFA α-linolenic acid (ALA) and stearidonic acid (SDA) and of the n-6 PUFA γ-linolenic acid (GLA). The fatty acid distribution differed enormously between genera of the same family. Echium spec...
برخی از?مناطق رودرال و زگتال درون و برون شهر همدان، طی سال های 1390 – 1388، مورد بررسی گرفتند و جمعاً 385 قطعه نمونه که شامل تعدادی از مزارع، باغات، فضاهای سبز، زمین های بایر و نیز حاشیه مسیرهای رفت و آمد (خیابان ها و اتوبان ها) می شدند، در رابطه با حضور و پراکندگی گونه های مشاهده شده از 4 جنس heliotropium l.، nonnea medicus، echium l. و anchusa l. از تیره boraginaceae مورد مقایسه های فلوریستیکی...
The methanolic extract of the whole plant of Echium glomeratum Poir. (Boraginaceae) has afforded five pyrrolizidine alkaloids, three that were (7S, 8R)-petranine (1), (7S, 8S)-petranine (2), and (7R, 8R)-petranine (3a) or (7R, 8S)-petranine (3b), comprising a tricyclic pyrrolizidine alkaloids subclass; and two that were known but to the species: 7-angeloylretronecine (4) and 9-angeloylretroneci...
Abstract Light is considered a factor that influences the seed germination of many weed species, and it can signal whether environmental conditions are favorable or not for germination. We aimed to study if there an influence light quality dormancy overcoming in Echium plantagineum L. carried out 2 x 6 factorial experiment, with without potassium nitrate followed by immersion gibberellic acid; ...
Echium amoenum belong to Boraginaceae family is a biennial or perennial herb indigenous to the narrow zone of northern part of Iran and Caucasus.the aim of this study was to overview the therapeutic effects of Iranian borage (Echium amoenum Fisch).This review article was carried out by searching studies in PubMed, Medline, Web of Science, and Iran Medex databases .The initial search strategy id...
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