Results 131 to 140 of about 514 (160)

Bacterial endophytes from Chukrasia tabularis can antagonize Hypsipyla robusta larvae

Phytoparasitica, 2022
Damage by the shoot-tip borer Hypsipyla robusta (Lepidoptera: Pyralidae) has limited the commercial cultivation of Chukrasia tabularis (Meliaceae) in many parts of the world. Recently, a number of C. tabularis families in Vietnam have shown field resistance to H. robusta. This study explores whether endophytic bacteria in C.
T. T. L. Tra, N. M. Chi, D. T. K. Anh, P. Q. Thu, N. P. Nhung, B. Dell   +5 more
openaire   +1 more source

Phragmalin-type limonoids with NF-κB inhibition from Chukrasia tabularis var. velutina

Bioorganic & Medicinal Chemistry Letters, 2014
Chemical investigation on Chukrasia tabularis var. velutina led to the identification of eight new phragmalin-type limonoids (1-8), as well as 20 known analogues. Compounds 1-4 are a rare class of C-15-acyl phragmalin-type limonoids, and particularly compounds 2-4 also possess a δ-lactone ring formed between C-16 and C-30.
Feng, Zhang, Chuan-Rui, Zhang, Xia, Tao, Jun, Wang, Wan-Sheng, Chen, Jian-Min, Yue   +5 more
openaire   +2 more sources

[The morphological and histological identification of Chukrasia tabularis].

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 2007
In this paper the descriptions and microscopic characters of Chukrasia tabularis were reported. The results provided scientific evidences for recognition and resources utilization.
Xiang-lin, Xiao, Min, Huang
openaire   +1 more source

Phytophthora Leaf Blight, A New Diseases of Chukrasia tabularis from India.

Indian Journal of Forestry, 2000
Leaf blight of Chukrasia tabularis A. Juss., a new disease caused by Phytophthora nicotianne van Breda de Haan is recorded for the first time India and described. The disease occurred widely in forest nurseries. The incidence of the disease varied from 30-80 per cent and defoliation from 2-100 per cent.
Arushi Mehrotra, M. Mehrotra, Bihari Lal
openaire   +1 more source

Antioxidant activity of the phenol rich fractions of leaves of Chukrasia tabularis A. Juss.

Bioresource Technology, 2008
The present study was designed to explore the antioxidant potential of chloroform, ethyl acetate, n-butanol and water fractions of 80% methanol extract of leaves Chukrasia tabularis by 2,2'-diphenyl-1-picrylhydrazyl (DPPH), deoxyribose degradation (non-site specific and site specific), reducing power and DNA nicking assays.
Rajbir, Kaur, Saroj, Arora, Bikram, Singh   +2 more
openaire   +2 more sources

Two new limonoids from the stem barks ofChukrasia tabularisvar.velutina

Journal of Asian Natural Products Research, 2011
Two new phragmalin-type limonoid orthoesters, C-15 enolic acyl type and 13/14/18-cyclopropanyl type, named chukvelutilide H (1) and tabularin R (2), together with three known limonoid orthoesters (3-5), were isolated from the stem barks of Chukrasia tabularis var. velutina. The structures of these two new compounds were elucidated on their extensive HR-
Yi, Li, Jun, Luo, Qiang, Wang, Ling-Yi, Kong   +3 more
openaire   +2 more sources

Further C-15-acyl phragmalin derivatives from Chukrasia tabularis A. Juss.

Phytochemistry, 2015
Relying on characteristic double UV absorptions (210 and 270 nm), sixteen phragmalins with three types of enolic acyl substituents at C-15 were isolated directly from EtOH extracts of the seeds of Chukrasia tabularis A. Juss. Eight of these compounds possessed a C-15-acetyl phragmalin skeleton, and the basic carbon skeleton and absolute configuration ...
Luo, Jun, Zhang, Hong-Jian, Quasie, Olga, Shan, Si-Ming, Zhang, Yang-Mei, Kong, Ling-Yi   +5 more
openaire   +3 more sources

Antimalarial and cytotoxic properties of Chukrasia tabularis A. Juss and Turraea vogelii Hook F. Ex. Benth

Parasitology Research, 2016
Malaria, caused by plasmodium parasite, is at the moment the highest cause of morbidity and mortality in the tropics. Recently, there is increasing efforts to develop more potent antimalarials from plant sources that will have little or no adverse effects.
Omonike O, Ogbole, Yusuf A, Saka, Pius S, Fasinu, Adenike A, Fadare, Edith O, Ajaiyeoba   +4 more
openaire   +2 more sources

Tabularisins A‐D, Phragmalin Orthoesters with New Skeleton Isolated from the Seeds of Chukrasia tabularis.

ChemInform, 2007
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Cheng-Qi Fan, Xiao-Ning Wang, Sheng Yin, Chuan-Rui Zhang, Fang-Dao Wang, Jian-Min Yue   +5 more
openaire   +1 more source

Local and regional climatic signals recorded in tree-rings of Chukrasia tabularis in Bangladesh

Dendrochronologia, 2017
Abstract We developed the first tree-ring chronology of Chukrasia tabularis from a moist tropical forest in Bangladesh, spanning the 102-year period 1911–2012. The species showed wood anatomically clear annual tree-ring boundaries which crossdated between tree individuals.
Mizanur Rahman, Mahmuda Islam, Achim Bräuning   +2 more
openaire   +1 more source