Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Gavrila NEAMTU"'
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 27, Iss 1, Pp 67-77 (1997)
A new high performance liquid chromatographic (HPLC) method for the rapid separation of carotenoids and chlorophylls in leaves is reported. The method allows the separation of eight pigments in less than 13 minutes and employs a 25 cm C18 column with
Externí odkaz:
https://doaj.org/article/33714c9e4ad5428d9e95af0c40990b11
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 25, Iss 1, Pp 115-123 (1995)
Faded leaves of Aesculus hippocastanum L. harvested in October and November have a high and various content of carotenoids. The content of lutein and zeaxanthin is much higher in faded leaves than in the green ones, that is why they are recommended a
Externí odkaz:
https://doaj.org/article/92f850154e314c47905e0bf34f29f3bb
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 23, Iss 1, Pp 125-133 (1993)
Separation of lutein and zeaxanthine which are carotenoidic isomeric pigments on High Performance Liquid Chromatography (HPLC) was investigated. Three different columns were used to separate standard mixtures: a normal phase silica column, a reversed
Externí odkaz:
https://doaj.org/article/47bb9d1c57be4797a9fe4e7de2acc36d
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 21, Iss 1, Pp 81-87 (1991)
The content of the carotenoidic and chlorophyllic pigments in the fresh leaves of Taraxacum officinale in different harvesting periods and in the dryed leaves in different conditions was investigated. The best period for harvesting the leaves is the
Externí odkaz:
https://doaj.org/article/bb551d6596e74fad9920a8cbfc13b15a
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 19, Iss 1, Pp 101-106 (1989)
Chlorophylls and carotenoid pigments were investigated in leaves of beet (Beta vulgaris L.) obtained from SDE Cluj-Napoca, harvested in September 1987. Leaves had a higher content both in chlorophylls and carotenoids than petioles. The high content i
Externí odkaz:
https://doaj.org/article/829824d5f1fd4886bab8c5f27a94a6de
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 14, Iss 1, Pp 43-48 (1984)
The pigments of seven local Cucurbita varieties were determined. In the fruits only carotenoids with alfa- and beta-iononic structure were identified: hydrocarbon carotenoids (alfa- and beta-carotene), xanthophylls (cryptoxanthin, aloxanthin, mutatox
Externí odkaz:
https://doaj.org/article/a0970bc8c4d742c4ace8bfbf20101e10
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 10, Iss 1, Pp 101-104 (1979)
The paper presents the results of biochemical analyses of Phytolacca Americana plants grown in the Agrobotanical Garden Cluj-Napoca. Carotenoid pigments (neoxanthin, violaxanthin, zeaxanthin, lutein, cryptoxanthin, alpha-carotene and beta-carotene) c
Externí odkaz:
https://doaj.org/article/60cb709cd4ca4917ae04e63dd3699b72
Autor:
Gavrila NEAMTU, Fl. IRIMIE
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 17, Iss 1, Pp 93-98 (1987)
The carotenoid content of Medicago sativa L. harvested in May (1985) at Cluj-Napoca have been studied. The main carotenoid pigments found were lutein and b-carotine followed, in decreasing order, by violoxanthine, cryptoxanthine, neoxanthine, zeaxant
Externí odkaz:
https://doaj.org/article/c52c0009559b42978e3a33a3363f6dca
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 8, Iss 1, Pp 53-58 (1975)
Within the framework of chemotaxonomical investigations in higher plants, we carried on further researches on carotenoid pigments in some yet unstudied species of the genus Cucumis.
Externí odkaz:
https://doaj.org/article/7a67f5376e9749d3823ea940764556c3
Publikováno v:
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol 13, Iss 1, Pp 45-49 (1983)
Investigations were carried out on the carotenoid pigments in the fruiting bodies of the parasitic fungus Coleosporium tussilaginis (Pers.) Kleb., harvested in autumn from the lower mide of the leaves of coltsfoot (Tussilago farfara L.). The fructifi
Externí odkaz:
https://doaj.org/article/a9970994291a46e4a774c04ec9969025