A NEW NATURAL JASMONOID GLUCOSIDE ISOLATED FROM EUPHORBIA HIRTA L. EXTRACT

The Aspergillus fungi have been an important source of natural products that are useful for exploration in medicine, agriculture and industry. In our continuous investigation to search for new antimicrobial agents from marine-derived fungi, one new phomaligol A2, together with three known compounds,[r]

According to International Rubber Study Group, 44% of 22.7 million tonnes of world rubber consumption is source from natural rubber in year 2009 5 and majority of this rubber is used for the tyre industry. Tyre inner liner compound occupied approximately 5% of the total tyre weight[r]

Taking into account the N-terminal sequence obtained by Edman degradation of the wild-type protein and sequence data of related secretory PLA2s, we concluded that the mature protein of 1[r]

E. coli growth. However, no extract had an inhibitory effect on Vibrio spp. or
Staphyloccus aureus . Extracts of all parts of the plant inhibited the growth of the roots of Raphanus salivus seedlings 44 - 73%.
Keywords: Ipomoea pes-caprae (L.) Sweet, DPPH, Antibacterial activity, b[r]

M ẫ u cây Euphorbia hirta L. đượ c thu hái ở Đồ ng Nai vào tháng 7 năm 2013 ,
được đị nh danh b ở i TS. Ph ạm Văn Ngọ t - B ộ môn Th ự c v ậ t h ọ c - Trường Đạ i h ọc Sư
ph ạ m Tp. H ồ Chí Minh. M ẫu cây được phơi khô trong bóng râm, để nơi khô thoáng,
s ấ y ở[r]

As centuries passed and human cultures evolved and blossomed, humans began to organise their knowledge of nature into the broad field of natural history. One aspect of early natural history concerned the use of plants for drugs and medicine. The early herbalists sometimes overworked[r]

Investigation on the chemical constituents of methanol extract from roots of Morinda officinalis How. (Rubiaceae) has resulted in the isolation of three anthraquinones: anthragallol 2-methyl ether (1), physcion (2), and emodin (3). Their structures were determined by spectroscopic methods. All three[r]

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Từ kết quả các phản ứng định tính cho thấy thành phần các hợp chất tự nhiên trong Vú sữa đất ( Euphorbia hirta L.) khá phong phú bao gồm: Flavonoid, tannin, glycoside, alkaloid và saponin. Cao của cả 3 phân đoạn EtOH, n-hexan, và EtOAc đều chứa cá[r]

In summary, it has been demonstrated that _Bacillus_ W120, _Bacillus_ W803 produced substances that could inhibit the growth of the pathogenic bacteria; _Bacillus_ W806, _Bacillus_ W902,[r]

Chemical examination of the BuOH extract of the leaves and twigs of _Litsea glutinosa collected from Xishuangbanna _ resulted in the isolation of two new aporphine alkaloids, namely lits[r]

A study was carried out to evaluate the antibiotic sensitivity of Staphylococcus aureus isolated from different raw milk samples. Isolation and identification of S. aureus were done from 5 types of dairies raw milk samples. A total of 125 milk samples from dairies were cultured for incidence of S. a[r]

Bioassay guided fractionation led to the isolation of a new triterpene glycoside, holothurinogenin B (1) along with three known compounds, holothurin B (2), holothurin A (3), and holothurin A2 (4), from the methanol extract of the Vietnamese sea cucumber Holothuria scabra. Their structures were dedu[r]

A Substance Isolated from Cornus Officinalis Enhances the Motility of Human Sperm
The effects of a Chinese herb, Cornus officinalis, on the motility of human sperm was studied. An aqueous extract was prepared from the dried fruits of the herb. The crud[r]

Acinetobacter baumannii is an emerging human pathogen causing great concern in hospitals. There are numerous studies regarding the virulence factors that contribute to the pathogenesis of A. baumannii clinical isolates, whereas data regarding environmental isolates are missing. The virulence factors[r]

iLDH and cytochromec oxidase COX Mitochondria isolated from cells harvested at different culture time-points showed significant L- and D-iLDH activities throughout the growth period, even[r]

In the present study, the production of cellulase has been carried out using novel natural waste as substrates by Bacillus subtilis isolated from slaughter house waste rumen fluid. Bacillus subtilis was screened for cellulase production by Congo red assay. pH and temperature were optimized.

Three dolabrane-type diterpenoids (1–3) and a lignan were isolated from a methanolic extract of C. decandra (Griff.) W. Theob. stem barks using various chromatographic separations. Their structures were elucidated to be tagalsine X, tagalsin P, ent-5α,2- oxodolabr-3-ene-3,15,16-triol, and pinoresino[r]

Breast metastasis from extramammary malignancy is uncommon and often presents diagnostic challenges. Herein, we report a case of a patient with metachronous isolated breast metastasis from pulmonary adenocarcinoma with micropapillary component.

Bài báo khoa học của Trung Quốc về 2 hợp chất nhóm sapoin phân lập được từ cây Dây thìa canh Vân Nam (Gymnema yunnanense): From whole plant of Gymnema yunnanense Tsiang, two new C21 steroidal glycosides named gymnemaroside A and B were isolated

Colon cancer is one of the most common malignancies and the fourth leading cause of cancerrelated mortality in the world. Colibactin, which is synthesized by the pks genomic island of E. coli interfere with the eukaryotic cell cycle.