Results 1 to 10 of about 7,548 (219)

Experimental phytobiotic Phytostimplus and its application to calves

open access: yesАграрная наука Евро-Северо-Востока, 2023
The purpose of the research is to study the composition of biologically active compounds of the experimental biological supplement Fitostimplus and its influence on the biochemical parameters of the blood of calves of the milk growing period, body weight
A. A. Ivanovsky, N. A. Latushkina
doaj   +1 more source

Correlation between metabolic depression and ecdysteroid peak during embryogenesis of the desert locust, Schistocerca gregaria (Orthoptera: Acrididae)

open access: yesEuropean Journal of Entomology, 2000
Respiratory metabolism of developing eggs of Schistocerca gregaria has been individually monitored by means of scanning microrespirography. The freshly oviposited eggs consumed 7 nl of O2 /min./egg (50 µl O2/g/h) while the pharate 1st instar larvae ...
Karel SLÁMA
doaj   +1 more source

Phytobiotics in world practice: plant species and active substances, efficiency and limitations, perspectives (review)

open access: yesАграрная наука Евро-Северо-Востока, 2021
In the review the historical preconditions for implementation and the state of use (for 2021) of phytogenic substances as growth and productivity stimulators of farm animals are considered.
N. P. Timofeev
doaj   +1 more source

Development and evaluation of the quality of phytosomes with ecdysteroids Seratula coronata L.

open access: yesРазработка и регистрация лекарственных средств, 2023
Introduction. Phytosomes containing a complex of plant components with phospholipids are highly soluble in lipid and aqueous media, overcome skin barriers well, and enhance the bioavailability of substances with low solubility.
E. I. Molokhova   +3 more
doaj   +1 more source

Sterol Regulation of Development and 20-Hydroxyecdysone Biosynthetic and Signaling Genes in Drosophila melanogaster

open access: yesCells, 2023
Ecdysteroids are crucial in regulating the growth and development of insects. In the fruit fly Drosophila melanogaster, both C27 and C28 ecdysteroids have been identified.
Di Wen   +3 more
doaj   +1 more source

Evaluation of pyriproxyfen, a juvenile hormone analog, on Drosophila melanogaster (Diptera: Drosophilidae): Insecticidal activity, ecdysteroid contents and cuticle formation

open access: yesEuropean Journal of Entomology, 2015
The efficacy of pyriproxyfen, a juvenile hormone analog (JHA), was evaluated using third instar larvae of Drosophila melanogaster Meigen, 1830 (Diptera: Drosophilidae).
Fethi BENSEBAA   +3 more
doaj   +1 more source

Análise de β-ecdisona em plantas in vivo e in vitro de Pfaffia glomerata (Spreng.) Pedersen, através da Cromatografia em Camada Delgada Analysis of β-ecdysone from in vivo and in vitro cultured plants of Pfaffia glomerata (Spreng.) Pedersen using Thin-Layer Chromatography

open access: yesRevista Brasileira de Plantas Medicinais, 2009
Pfaffia glomerata (Spreng.) Pedersen, conhecida como ginseng brasileiro, é uma planta extensivamente usada na medicina popular em decorrência de possuir propriedades fitoterápicas. O objetivo deste trabalho foi verificar a presença de β-ecdisona nas
R. Flores   +4 more
doaj   +1 more source

PHYTOCHEMICAL AND BIOLOGICAL STUDY OF ADIANTUM CAPILLUS-VENERIS L. GROWING IN EGYPT [PDF]

open access: yesAl-Azhar Journal of Pharmaceutical Sciences, 2019
Chromatographic fractionation and chemical investigation of the methanolic extract of the fronds and rhizomes of Adiantum capillus-veneris L. (Pteridaceae), resulted in the isolation and identification of four compounds.
Mahmoud Sallam
doaj   +1 more source

Two Ecdysteroids Isolated from Micropropagated Lychnis flos-cuculi and the Biological Activity of Plant Material

open access: yesMolecules, 2021
Genetically uniform plant material, derived from Lychnis flos-cuculi propagated in vitro, was used for the isolation of 20-hydroxyecdysone and polypodine B and subjected to an evaluation of the antifungal and antiamoebic activity.
Michał P. Maliński   +8 more
doaj   +1 more source

Phytoecdysteroids from the Roots of Achyranthes bidentata Blume

open access: yesMolecules, 2012
Two new phytoecdysteroids, (25S)-20,22-O-(R-ethylidene)inokosterone (1) and 20,22-O-(R-3-methoxycarbonyl)propylidene-20-hydroxyecdysone (2), together with six known phytoecdysteroids 3–8 were isolated from the roots of Achyranthes bidentata Blume.
Jian-Wen Tan   +7 more
doaj   +1 more source

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