The flavonoids 5-hydroxy-7-methoxyflavanone, 6,8-dimethyl-5,7-dihydroxyflavanone and 2',4'-dihydroxy-6'-methoxy-3',5'-dimethylchalcone, a mixture of alkyl esters of p-coumaric acid, the triterpenoids oleanolic acid and maslinic acid, the monoterpenoid 1 alpha,2 beta,4 beta-trihydroxy-p-menthane, the sesquiterpenoid clovandiol and beta-sitosterol were isolated from the aerial parts of Luma gayan...

Omayed Biosphere Reserve is the only on northwestern coast of Egypt, representing Mediterranean ecosystem type. It has characteristic Fauna and Flora as it comprises 12% 17% Egypt's flora bryoflora, respectively, besides numbers endemic endangered animals. In past decade, OBR was subjected to extensive human activities –the building coastal touristic villages, irrigation canals, plantation, som...

Weld (Reseda luteola) was one of the main sources yellow dyes used for dyeing textiles and to prepare artists’ pigments in Europe until 19th century. For first time, this work explores technology preparing weld lake century by Winsor & Newton (W&N), a renowned supplier materials. Five recipes were discovered W&N Archive Database reconstructed laboratory. extracting neutral basic med...