Results 101 to 110 of about 15,030,543 (188)

Foliar Flavonoids from var. and their Geographical Variation

Natural Product Communications, 2015
Foliar flavonoids of Tanacetum vulgare var. boreale were isolated. Eight flavonoid glycosides, 7- O -glucosides of apigenin, luteolin, scutellarein and 6-hydroxyluteolin, and 7- O -glucuronides of apigenin, luteolin, chrysoeriol and eriodictyol were ...
Ayumi Uehara, Shinobu Akiyama, Tsukasa Iwashina   +2 more
doaj   +1 more source

Phenolic Compounds and Antimicrobial Activity of Olive (Olea europaea L. Cv. Cobrançosa) Leaves

Molecules, 2007
We report the determination of phenolic compounds in olive leaves by reversed-phase HPLC/DAD, and the evaluation of their in vitro activity against several microorganisms that may be causal agents of human intestinal and respiratory tract infections ...
José Alberto Pereira, Albino Bento, Leticia Estevinho, Rosa Seabra, Paula B Andrade, Patricia Valentão, Filipa Marcelino, Isabel CFR Ferreira, Ana Paula Pereira   +8 more
doaj   +1 more source

Caecal absorption of vitexin-2-O-xyloside and its aglycone apigenin, in the rat

, 2013
The in vivo bioavailability of the flavone-C-glycosides has been little studied compared to their O-glycoside analogues, which are both more common in nature and considered more easily hydrolyzed than C-glycosides, by both enterocytes and gut microbiota.
Jeffery E. H., Ninfali P., Berhow M., Angelino D.   +3 more
core   +1 more source

PHENOLIC COMPOUNDS AND BIOACTIVITY OF LEAVES OF MAYODENDRON IGNEUM KURZ.

, 2007
Four apigenin glycosides were isolated from the ethyl acetate extract of the leaves of Mayodendron igneum Fam.Bignoniaceae. They were identified as apigenin 7-O-glucoside; 6-methoxy apigenin-7-O-glucoside; 6-methoxy apigenin-7-O-rhamnoglucoside and 6 ...
Hashem, Fatma
core   +4 more sources

PHYTOCHEMICAL AND BIOLOGICAL STUDIES ON THE LEAVES OF TECOMA MOLLIS HUMB. AND BONPL CULTIVATED IN EGYPT

Bulletin of Pharmaceutical Sciences. Assiut University, 2002
a-Amyrin (1), 3-b-hydroxy-urs-12-ene-28-aldehyde (2) b-sitosterol (3), ursolic acid lactone (4), ursolic acid (5), 2-b,3-b,19-a-trihydroxy-urs-12-ene-28-oic acid (2-tormentic acid) (6), b-sitosterol-3-O-b-D-glucoside (7) apigenin-7-O-a-L-rhamnoside (8 ...
Wael M. Abdel-Mageed, Enaam Y. Backheet, Azza A. Khalifa, Nasr A. El-Emary   +3 more
doaj   +1 more source

Computational analysis of luteolin, apigenin and their derivatives from Allophylus africanus as potential inhibitors of plasmepsin II a malaria target

BMC Chemistry
Malaria remains a critical global health challenge, especially in Sub-Saharan Africa, with drug-resistant strains heightening the need for new treatment strategies.
Ismail Abubakari, Lucas P. Kwiyukwa, Lucas Paul   +2 more
doaj   +1 more source

KHẢO SÁT THÀNH PHẦN HÓA HỌC CỦA LÁ XUÂN HOA (PSEUDERANTHEMUM PALATIFERUM)

Tạp chí Khoa học Đại học Cần Thơ, 2008
Từ lá cây Xuân hoa trồng tại trại chăn nuôi thực nghiệm trường Đại học Cần Thơ, cô lập được stigmasterol và ?-sitosterol (C29H48O) từ dịch chiết ether dầu hỏa và ?-sitosterol-3-O-?-glucoside (C35H60O6) và apigenin 7-O-?-glucoside (C21H20O10) từ dịch ...
Huỳnh Kim Diệu
doaj  

Quantification of Antioxidant Phenolic Compounds in a New Chrysanthemum Cultivar by High-Performance Liquid Chromatography with Diode Array Detection and Electrospray Ionization Mass Spectrometry

International Journal of Analytical Chemistry, 2017
The flowers of Chrysanthemum morifolium Ramat. have been used as an herbal tea and in traditional medicine, and the plant has been developed to produce horticultural cultivars of various colors and shapes. In this study, a new chrysanthemum cultivar with
Ah-Reum Han, Hyo Young Kim, Yangkang So, Bomi Nam, Ik-Soo Lee, Joo-Won Nam, Yeong Deuk Jo, Sang Hoon Kim, Jin-Baek Kim, Si-Yong Kang, Chang Hyun Jin   +10 more
doaj   +1 more source

Development and Validation of HPLC-UV Based Quantitative Analytical Method for Apigenin-7-O-glucoside in Matricaria chamomilla Extract

Food Supplements and Biomaterials for Health, 2021
Jungeun Kim, Changon Seo, Jingwan Kwon, Woojung Kim, Jinkyu Kim   +4 more
openaire   +1 more source

Constituents of Cynara syriaca leaves

, 2006
Six flavonoids (apigenin, chrysoeriol, luteolin, apigenin 7-O-glucoside, chrysoeriol 7-O-glucoside, luteolin 7-O-glucoside), four phenolic acids (caffeic acid, chlorogenic acid, 1,5-dicaffeoylquinic acid, cynarin), and three sesquiterpene lactones (11,13-
Mericli, A. H., Seyhan, G. V.
core   +1 more source