Results 61 to 70 of about 1,275 (196)

A New Phytoecdysteroid from Ajuga taiwanensis.

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Chan, Yu-Yi, Wu, Tian-Shung, Kuoh, Chang Sheng, Damu, Amooru G.   +3 more
openaire   +3 more sources

Feed phyto-additive from Leucea safflower (Rhaponticum carthamoides) and its use in young laying hens

Аграрная наука Евро-Северо-Востока
The aim of the research was to study the content of 20-hydroxyecdysone in phyto-additive from Leucea safflower and its effect on metabolic processes in young laying hens of the Lohmann Brown Light cross.
N. A. Morozkov, E. V. Lepikhina, I. N. Zhdanova, N. V. Avdeev, V. A. Sitnikov   +4 more
doaj   +1 more source

Two Minor Phytoecdysteroids of the Plant

Natural Product Communications, 2010
Chemical investigations of Silene viridiflora (L.) yielded a new ecdysteroid, 20-hydroxyecdysone 20,22-monoacetonide-25-acetate ( 1 ), and a known ecdysteroid, 2-deoxypolypodine B-3-β-D-glucoside ( 2 ).
Nilufar Zokirzhonovna Mamadalieva, Abdulaziz Adilhanovich Janibekov, Jean-Pierre Girault, René Lafont   +3 more
doaj   +1 more source

Repellent activity of plants from the genus Chenopodium to Ostrinia nubilalis larvae

Plant Protection Science, 2018
The olfactory choices expressed by naïve neonate European corn borer (ECB) larvae were tested by recording their locomotor activities in response to odours coming from plants of the genus Chenopodium (producing phytoecdysteroids or not).
Dariusz Piesik, Didier Rochat, Jan Bocianowski, Frédéric Marion-Poll   +3 more
doaj   +1 more source

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

Аграрная 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

Effects of ecdysteroidal extract of Spinacia oleracea on demographic parameters of the diamondback moth, Plutella xylostella L. (Lepidoptera: Plutellidae)

Journal of Crop Protection, 2013
Plant extracts, like phytoecdysteroids, are currently studied because of the possibility of their use in plant protection. Phytoecdysteroids are insect steroid hormone analogues, and they are believed to deter invertebrates from plants, either by acting ...
Bib Zahra Sahaf, Saeid Moharramipour
doaj  

Moulting and growth of mangrove crabs Scylla olivacea (Herbst 1796) with injection of phytoecdysteroids and artificial feed

, 2021
Moulting in crabs can be accelerated by adding moulting hormone. Phytoecdysteroids are an active compound found in certain plants, for example amaranthus, that are analogous to the moulting hormone in crustaceans.
Hasnidar, A. Tamsil, Kamaruddin
semanticscholar   +1 more source

β-Cyclodextrin Inclusion Complexes of 20-Hydroxyecdysone Derivatives: Synthesis, NMR Characterization, and In Vitro/In Vivo Evaluation of Antioxidant, Hepatoprotective, and Antimicrobial Activities

Pharmaceuticals
Background/Objectives: For the first time, water-soluble encapsulated forms of 20-hydroxyecdysone were synthesized as clathrate complexes with β-cyclodextrin.
Borash Tuleuov, Aizhan Zeinuldina, Aidana Bazarkhankyzy, Aizhan Kozhanova, Bakhtiyar Temirgaziyev, Saniya Dyussekeyeva, Lyazzat Abulyaissova, Nurgul Askarova, Aliya Temirbekova, Zhanar Tekebayeva, Ardak Sapiyeva, Sergazy Adekenov   +11 more
doaj   +1 more source

Ecdysteroid Profiles of Two species, and

Natural Product Communications, 2014
Phytoecdysteroids are plant analogues of insect moulting hormones and are used by plants to repel or disturb phytophagous insects. They are also active on mammals and present in many plants used in traditional medicine.
Ahmed Bakrim, Johnpeter Ngunjiri, Sophie Crouzet, Louis Guibout, Christine Balducci, Jean-Pierre Girault, René Lafont   +6 more
doaj   +1 more source

New Cytotoxic Steroid from Stachyurus imalaicus var. himalaicus

Molecules, 2007
A phytochemical study of the ethanolic extract of Stachyurus imalaicus var. himalaicus was undertaken and as a result a new polyoxygenated steroid, named stachsterol ((20S)-20, 25-dihydroxy-4-cholesten-3-one, 1) and three known ecdysteroids, 20 ...
Yun-Song Wang, Jing-Hua Yang, Shi-De Luo, Hong-Bin Zhang, Liang Li   +4 more
doaj   +1 more source