نتایج جستجو برای: pigment content
تعداد نتایج: 438553 فیلتر نتایج به سال:
This study compared respirable dust and nanoparticle concentrations measured by different sampling devices at a titanium dioxide pigment factory. Respirable particle mass concentrations, nanoparticle concentrations, particle size distribution and particle metallic content were measured at different sampling locations. The sampling results of the Multi-orifice Uniform Deposit Impactor (MOUDI) sh...
Jalapeño peppers at intermediate ripening stages (IRS) are typically discarded at the packinghouse because they are not demanded for fresh consumption or industrial processing. These peppers have been scarcely studied in terms of pigment composition and bioactivity. In this study, the profile of pigments (carotenoids and chlorophylls) and antioxidant activity were determined in raw and heat-pro...
HE characteristics of myoglobin ifz citro have been demonstrated to be those of a respiratory pigment, but the role of myoglobin ilz vivo has yet to be fully established. The literature to date affords two substantiated concepts with regard to its physiologic muscle as a distinct heme pigment, nature; namely, and that it may that myoglobin exists in striated act as a short-time oxygen store in ...
The present study an attempt has been made to investigate the effect of Seaweed Liquid Fertilizer of Rosenvigea intricata with or without chemical fertilizer on seed germination, growth, yield, pigment content and soil profile of Abelmoschus esculentus was analyzed. The seed germination, shoot length, root length, number of lateral roots, number of leaves, number of vegetables, length of vegeta...
Carotenoids, Chlorella fusca, Chlorophylls, Iron Stress, Vanadate The pigment composition of Chlorella fusca has been investigated in the absence and in presence of vanadate and during iron stress. 1. Fe-deficiency generally decreases algal pigment content without change of the ratio chloro phyll a/b. 2. A twofold vanadate induced increase of the chlorophylls is accompanied by a similar enhanc...
In the Zea mays L. mutant M11 grown in the dark at 15 degrees , the ultrastructure of the etioplast is abnormal. The pigment content of the etioplasts is reduced but the in vivo absorption characteristics suggest that the normal protochlorophyll (ide)-holochrome is present. The lowered synthetic ability of the etioplasts is not primarily due to a reduced complement of plastid ribosomes. The pla...
Herbicidal Action of Aminotriazol, Wheat and Oat Seedlings, Chlorophyll, Phytol, Geranylgeraniol, Dihydrogeranylgeraniol, Tetrahydrogeranylgeraniol Treatment of wheat caryops with 3-amino-l,2,4-triazol followed by dark germination leads to phytol deficiency (based on the chlorophyll content) during the subsequent greening process in the light. The analysis of the pigment fraction reveales the p...
The ability to measure objectively wound healing is important for an effective wound management. Describing wound tissues in terms of percentages of each tissue colour is an approved clinical method of wound assessment. Wound healing is indicated by the growth of the red granulation tissue, which is rich in small blood capillaries that contain haemoglobin pigment reflecting the red colour of th...
Skin color is determined by epidermal melanin content, the function of which remains poorly understood. Clinically, there is a lower incidence of melanoma in individuals with high levels of constitutive brown/black pigment and/or acquired pigmentation (i.e. tanning). Conversely, individuals with red hair, blue eyes, and inability to tan are at higher risk for developing melanoma. Therefore, pig...
A yellow autofluorescent pigment, generally thought to be indicative of membrane autoxidation, was found to accumulate in the retinal pigment epithelium (RPE) of rats maintained for 32 weeks on diets producing physiological antioxidant deficiency. The largest build-up of fluorescent pigment occurred in rats fed a diet high in polyunsaturated fatty acids (PUFAs) and deficient in alpha-tocopherol...
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