نتایج جستجو برای: pigment content
تعداد نتایج: 438553 فیلتر نتایج به سال:
Lipids and essential fatty acids, particularly the highly unsaturated fatty acids, 20:5n-3 (eicosapentaenoic acid; EPA), 22:6n-3 (docosahexaenoic acid; DHA) and 20:4n-6 (arachidonic acid, AA) have been shown to be crucial determinants of marine fish reproduction directly affecting fecundity, egg quality, hatching success, larval malformation and pigmentation. In Atlantic cod (Gadus morhua L.) c...
to date, the effects of nanoparticles on woody plants remain unaddressed. this study reveals some of the physiological and biochemical effects of sio2 nanoparticles on wild pear seedlings. the seedlings were irrigated with different concentrations of nano silica (0, 10, 100, 500 and 1000 mg/l) for 14 days. nanoparticle adsorption and absorption, biomass allocation, gas exchange, relative water ...
Some shallow water benthic foraminifera are able to retain functional chloroplasts (kleptoplasts) from their food source, i.e. diatoms. Here we assessed the functionality of the kleptoplast xanthophyll cycle (XC, i.e. the main diatom short-term photo-regulation mechanism) and we surveyed Haynesina germanica kleptoplast pigment composition over time and at different light regimes. Six common dia...
this study evaluates the effects of spirulina (arthrosphia maxima) and carrots (daucus carota) powder on body color changes of 330 pseudoteropheus zebra with average 15 g initial weight, in 35 days experimental period. as the results showed, the best content of steamed carrot in wet diet was 20 %, and all the factors except background color showed significant differences with control treatment ...
This paper reports on progress made to develop methods to accurately estimate pigment content in forest canopies from airborne hyperspectral data. Radiative transfer approaches and red edge optical indices were applied to twelve sites of Acer saccharum M. in the Algoma Region, Ontario (Canada), where field measurements and hyperspectral CASI reflectance data have been collected between 1997 and...
Astaxanthin is a xanthophill pigment with commercial application in the aquaculture, pharmaceutical, food and cosmetic industries. The red yeast Xanthophyllomyces dendrorhous is one of the most promising microorganisms for its industrial production. However, astaxanthin content in wild yeast strains is low. Pigment production by X. dendrorhous can be improved by mutagenesis. The aim of the stud...
--------------------------------------------------------------ABSTRACT------------------------------------------------------The aim of the study was to determine the impact of the herbicide, ethoxysulfuron on the growth of Lemna gibba under rice field cropping conditions. During the course of the study, Lemna frond number was decreased from day 0 (1820 μg/L ethoxysulfuron) to day 30 (10 μg/L) r...
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