Ibrahim A El-Garf

Cairo University | CU · Department of Botany

Allium L. (Amaryllidaceae, Allioideae, Allieae) has disputed generic delimitation and species boundaries, compounded by the proliferation of the species' synonyms. This study provides for the first time a comprehensive description of the seed morphology of native, endemic, and near-endemic species in Egypt and addresses the significance of seed tra...

Trifolium resupinatum L., Fabaceae, aqueous methanol leaf extract was selected to mitigate some obesity-associated risk factors to validate the possibility of further developing herbal drugs. Chromatography and spectrophotometric techniques verified 14 phenolics, five of which were first isolated from the plant and identified as 6''- O -acetyl onon...

Plant-natural products are used in several cosmetic applications as whitening agents. However, various Colchicum species rich in bioactive secondary metabolites that possess antioxidant and significant anti-tyrosinase activities. Nevertheless, there are few phytochemical investigations with no reports of biological assessment of Colchicum palaestin...

Abstract Osman, A. K. & El Garf, I. A.: Studies on the shallow wadies of the Mareotis sector of the Mediterranean coastal land of Egypt: Floristic features of Wadi Hashem. — Fl. Medit. 25: 57- 71. 2015. — ISSN: 1120-4052 printed, 2240-4538 online. A total of 195 species were recorded in the different sectors of Wadi Hashem cut-in the lime�stone pla...

Onopordum arenarium (Desf.) Pomel is newly recorded from Egypt during the fieldwork in the Mediterranean coastal region in the North of Egypt. This exotic species is native to North Africa (Algeria, Libya, Morocco, and Tunisia). Flowering specimens of O. arenarium were collected from the Mediterranean coastal belt, 60 Km East of El-Salloum, and El-...

Essential oils are affected by botanical origins which can induce variations in their chemical components and biological activities. Therefore, discovering the same plants from many regions leads to an increase and diversification of essential oil sources as one of the natural products that are used for many purposes. Four wild Lamiaceae plants (sa...

The aerial parts of Artemisia judaica L. (A. judaica) and Artemisia monosperma (Delile) (A. monosperma) were collected from wild plant populations located in the eastern desert of Egypt. The essential oils (EOs) of both aerial parts were isolated by hydro-distillation (HD) and analyzed by GC/MS. The EO yields of A. judaica and A. monosperma were 6....

The flora of Egypt includes 2145 species in 755 genera and 129 families. This book is the second volume of a series entitled "Phytochemistry of the Flora of Egypt (Chemical Constituents, Folk Medicine, Pharmacological and Biological Activities) ". Vol. 2 covers 4 families (Apocynaceae-Asclepiadaceae), involving 19 genera and 26 species. the book de...

Seven flavonoids were isolated for the first time from the defatted aqueous methanol extract of Dipcadi erythraeum Webb. & Berthel. They were identified as kaempferol (1), quercetin (2), quercetin 3-O-(6΄΄-α-rhamnopyranosyl)-β-glucopyranoside-7-O-α-rhamnopyranoside (3), vitexin (4), isovitexin (5), orientin (6) and isoorientin (7). Their structures...

A total of 195 species were recorded in the different sectors of Wadi Hashem cut-in the limestone plateau west of Mersa Matruh (Egypt). The distribution of these species in the different sectors of the Wadi as well as the phytochoria for the recorded species is provided. The highest number of species (157) was recorded in the stream part of the Wad...

Stigma and pollen types are reviewed in eight species of genus Limonium by light and scanning microscopy. A careful examination of most Egyptian species of Limonium reveals that this genus is distinctly dimorphic in stigma and pollen types. On the basis of the stigma type and the exine pattern, two distinct pollen types are recognized viz., Pollen...

•Ten flavonoid compounds were isolated from the whole plant of Allium myrianthum Boiss.•All compounds were first isolated from A. myrianthum Boiss.•The isolation of four compounds (7–10), belonging to a flavone nucleolus which had not been found in the genus Allium before.•Performance of a chemotaxonomic significance of A. myrianthum Boiss.

The first phytochemical investigation of Moraea sisyrinchium (L.) Ker Gawl. revealed the isolation and elucidation of seven flavonoids; apigenin, apigenin 7-O-β-glucopyranoside, luteolin 7-O-β-glucopyranoside, isovitexin, orientin, isoorientin and saponarin. Their structures were established on the basis of chemical and spectroscopic analysis and b...

Background Egyptians recognized the healing power of herbs and used them in their medicinal formulations. Nowadays, “Attarin” drug shops and the public use mainly the Unani medicinal system for treatment of their health problems including improvement of memory and old age related diseases. Numerous medicinal plants have been described in old litera...

Pollen morphology of seven species of genus Salvia (Lamiaceae) was investigated using light and scanning electron microscopy. Pollen was studied to show all possible characteristic features like shape, size, apertures, wall stratification, etc., with special reference to the specific characters of each pollen type. Four pollen types were recognized...

Plant macroremains were separated from nine tombs in an elite cemetery at locality HK 6 in Hierakonpolis. Human and animal skeletal remains were found in all tombs. The tombs belonged to Predynastic cultural period between Naqada IIA and Naqada IIIC1 (3550-3400 B.C./3200-3050 B.C.). A total of 1984 plant macroremains were identified. This...

Pollen morphology of twelve species representing ten genera of subfamily Asteroideae-Compositae (tribes Astereae, Calenduleae and Eupatorieae) was investigated using light and scanning electron microscopy. Pollen were studied to show all possible characteristic features like shape, size, apertures, wall stratification … etc., with special reference...

Stigma and pollen types are reviewed in eight species of genus Limonium by light and scanning microscopy. A careful examination of most Egyptian species of Limonium reveals that this genus is distinctly dimorphic in stigma and pollen types. On the basis of the stigma type and the exine pattern, two distinct pollen types are recognized viz., Pollen...

The flavonoids of the three varieties Anagallis arvensis; var. arvensis L. A. arvensis var. latifolia (L.) Lange and A. arvensis var. caerulea (L.) Gouan were studied. Fourteen flavonoid glycosides based on the aglycones kaempferol, quercetin and isorhamnetin were identified. Three anthocyanins were also detected.

The isolation and identification of nine flavonol glycosides from four samples of four taxa of the Fagonia indica- complex occurring in Egypt are reported. The compounds are based primarily on the aglycones: kaempferol, quercetin and isorhamnetin. The systematic significance of these compounds in relation to morphological characters is discussed.

Eight flavonol glycosides were detected in the three species of theFagonia sinaica complex. They were fully characterized as the 3-glucosides of kaempferol, quercetin and isorhamnetin, 3-rutinoside of quercetin and 3,7-diglucoside of quercetin and isorhamnetin. Two additional glycosides were partially characterized as a kaempferol 3,7-diglycoside a...