Relevant bibliographies by topics / Natural Pigmentation

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Natural Pigmentation'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Natural Pigmentation"

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Peng, Xueli, Yuning Ma, Chenxin Yan, et al. "Mechanism, Formulation, and Efficacy Evaluation of Natural Products for Skin Pigmentation Treatment." Pharmaceutics 16, no. 8 (2024): 1022. http://dx.doi.org/10.3390/pharmaceutics16081022.

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Skin pigmentation typically arises from the excessive secretion and accumulation of melanin, resulting in a darker complexion compared to normal skin. Currently, the local application of chemical drugs is a first-line strategy for pigmentation disorders, but the safety and efficacy of drugs still cannot meet clinical treatment needs. For long-term and safe medication, researchers have paid attention to natural products with higher biocompatibility. This article begins by examining the pathogenesis and treatment approaches of skin pigmentation diseases and summarizes the research progress and m
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Rajpurohit, Subhash, Rani Richardson, John Dean, Raul Vazquez, Grace Wong, and Paul S. Schmidt. "Pigmentation and fitness trade-offs through the lens of artificial selection." Biology Letters 12, no. 10 (2016): 20160625. http://dx.doi.org/10.1098/rsbl.2016.0625.

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Pigmentation is a classic phenotype that varies widely and adaptively in nature both within and among taxa. Genes underlying pigmentation phenotype are highly pleiotropic, creating the potential for functional trade-offs. However, the basic tenets of this trade-off hypothesis with respect to life-history traits have not been directly addressed. In natural populations of Drosophila melanogaster , the degree of melanin pigmentation covaries with fecundity and several other fitness traits. To examine correlations and potential trade-offs associated with variation in pigmentation, we selected repl
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Ryder, M. L. "The Natural Pigmentation of Animal Textile Fibres." Textile History 21, no. 2 (1990): 135–48. http://dx.doi.org/10.1179/004049690793711433.

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Lock-Andersen, J., and HC Wulf. "Seasonal variation of skin pigmentation." Acta Dermato-Venereologica 77, no. 3 (1997): 219–21. http://dx.doi.org/10.2340/0001555577219221.

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We measured skin pigmentation by skin reflectance monthly from May 1992 to April 1993 in 36 healthy Caucasians. Pigmentation was measured at four UV-exposed sites at the forehead, the upper chest, the inside of the upper arm, and at the upper back. The pigmentation and UV sensitivity were simultaneously measured at UV-protected buttock skin. The results showed a considerable seasonal variation for skin pigmentation at the UV-exposed sites. Buttock skin had a pigmentation and UV sensitivity that varied only marginally. We recommend that measurements of genetically controlled skin pigmentation a
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Feng, Yuanqing, Michael A. McQuillan, and Sarah A. Tishkoff. "Evolutionary genetics of skin pigmentation in African populations." Human Molecular Genetics 30, R1 (2021): R88—R97. http://dx.doi.org/10.1093/hmg/ddab007.

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Abstract Skin color is a highly heritable human trait, and global variation in skin pigmentation has been shaped by natural selection, migration and admixture. Ethnically diverse African populations harbor extremely high levels of genetic and phenotypic diversity, and skin pigmentation varies widely across Africa. Recent genome-wide genetic studies of skin pigmentation in African populations have advanced our understanding of pigmentation biology and human evolutionary history. For example, novel roles in skin pigmentation for loci near MFSD12 and DDB1 have recently been identified in African
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Takahashi, Aya, Kuniaki Takahashi, Ryu Ueda, and Toshiyuki Takano-Shimizu. "Natural Variation ofebonyGene Controlling Thoracic Pigmentation inDrosophila melanogaster." Genetics 177, no. 2 (2007): 1233–37. http://dx.doi.org/10.1534/genetics.107.075283.

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Battistella, Claudia, Naneki C. McCallum, Karthikeyan Gnanasekaran, et al. "Mimicking Natural Human Hair Pigmentation with Synthetic Melanin." ACS Central Science 6, no. 7 (2020): 1179–88. http://dx.doi.org/10.1021/acscentsci.0c00068.

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Forkmann, Gert. "Control of pigmentation in natural and transgenic plants." Current Opinion in Biotechnology 4, no. 2 (1993): 159–65. http://dx.doi.org/10.1016/0958-1669(93)90117-f.

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Lürig, Moritz D., and Blake Matthews. "Dietary-based developmental plasticity affects juvenile survival in an aquatic detritivore." Proceedings of the Royal Society B: Biological Sciences 288, no. 1945 (2021): 20203136. http://dx.doi.org/10.1098/rspb.2020.3136.

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Developmental plasticity is ubiquitous in natural populations, but the underlying causes and fitness consequences are poorly understood. For consumers, nutritional variation of juvenile diets is probably associated with plasticity in developmental rates, but little is known about how diet quality can affect phenotypic trajectories in ways that might influence survival to maturity and lifetime reproductive output. Here, we tested how the diet quality of a freshwater detritivorous isopod ( Asellus aquaticus ), in terms of elemental ratios of diet (i.e. carbon : nitrogen : phosphorus; C : N : P),
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Evitasari, Rachma Tia, and Gita Indah Budiarti. "Improving Stability of Anthocyanin Extracted from Ipomoea batatas by Co-pigmentation." Eksergi 19, no. 3 (2022): 117. http://dx.doi.org/10.31315/e.v19i3.7660.

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Public awareness of the dangers of using synthetic dyes has started to boost the prestige of natural dyes. The limitation of natural dyes is one of the causes of the limited use of natural dyes commercially. This research utilized purple sweet potato (Ipomoea batatas L.) as a source of anthocyanins. The purpose of this study was the stabilization of anthocyanins from purple sweet potato through the co-pigmentation process. The first stage is the extraction of natural anthocyanin dyes from purple sweet potatoes using the microwave-assisted method, then stabilization of anthocyanins through a co
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Dissertations / Theses on the topic "Natural Pigmentation"

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Duval, Camille. "Is eggshell pigmentation a condition-dependant strategy? : implications for egg crypsis in Japanese quail." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/4825/.

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Avian eggshell colouration fulfills multiple adaptive functions, including egg camouflage. The potential role of the two main eggshell pigments in oxidative stress, biliverdin and protoporphyrin, may be behind a relationship between female immunocompetence and eggshell pigment investment strategies. In this study, environmental conditions were manipulated during different life cycle stages, via a variety of methods, including food-restriction and stress hormone exposure in female Japanese quails (Coturnix coturnix japonica), in order to experimentally test the condition-dependence of eggshell
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Brulez, Kaat. "Why are passerine eggshells spotted? : using calcium supplementation as a tool to explore eggshell pigmentation." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4619/.

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The eggshells of many avian species are spotted in appearance but the functional significance of such maculation is poorly understood. Protoporphyrin, responsible for brownish-red colouring on eggshells, is postulated to reinforce the structural integrity of eggshells under conditions when dietary calcium (Ca) is scarce. Within the context of this hypothesis, this thesis documents the use of Ca supplementation of two common British passerine species, blue (Cyanistes caeruleus) and great tits (Parus major), to explore the relationships between eggshell Ca and protoporphyrin content and visible
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Lagocki, Stephen. "Evaluation of Haematococcus pluvialis as a natural dietary source of the carotenoid astaxanthin for rainbow trout flesh pigmentation." Thesis, University of Plymouth, 2001. http://hdl.handle.net/10026.1/2747.

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The efficacy of the lipid soluble carotenoid astaxanthin (biosynthesised as a secondary metabolite by the microalga Haematococcus pluvialis) as a source of pigment to enhance the aesthetic appeal of the flesh of farmed salmonid species has been investigated, using rainbow trout (Oncorhynchus mykiss) as a model. Accretion of astaxanthin within rainbow trout epaxial white muscle was primarily shown to be dependent on dietary inclusion and the type of diet used as a pigment carrier. Different dietary inclusion rates demonstrated a dose response. Cold pressed low oil and commercially extruded high
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Tang, Peipei. "Petunidin Derivatives from Black Goji and Purple Potato as Promising Natural Colorants, and Their Co-pigmentation with Metals and Isoflavones." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523911769211136.

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Lyrsten, Theres. "Predation som selektiv kraft bakom differentiering av populationer av sötvattensgråsugga, Asellus aquaticus." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-63340.

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Predation is a strong dective force on invertebrate prey. Asellus aquaticus differs in pigmentation reed and submerged vegetation habitats in lakes. Light pigmented individuals al vegetation dominated by Chara sp. while dark pigmented individuals dominate in the reeds. These differences have been hypothesized to result from background matching. Predation pressure from fish is belived to be highest in Chara sp., while invertebrate predators are more common in the reeds. In this study I investigatedif predation from perch and damselfly larvae create different se1ection pressure on pigmentation a
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Commo, Stéphane. "Etude de la pigmentation et du blanchissement naturel du cheveu : révélation d'un système dynamique, spécifique du follicule pileux humain." Paris 7, 2004. http://www.theses.fr/2004PA077242.

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Les mélanocytes responsables de la pigmentation des cheveux sont localisés dans le bulbe des follicules pileux. Ces mélanocytes produisent et transfèrent les mélanines aux kératinocytes pré-corticaux de la tige pilaire pendant la phase anagène du follicule pileux. Cette organisation cellulaire est définie comme unité de pigmentation du follicule pileux (UPF). La pigmentation des cheveux sera dépendante du nombre de mélanocytes dans cette UPF, de l'activité mélanogène des mélanocytes bulbaires, de même que de leur capacité à transférer les grains de mélanines. Du fait du cycle pilaire, l'UPF do
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Macrini, Daclé Juliani. "Avaliação de extratos de plantas da região amazônica quanto à atividade inibitória da tirosinase." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/9/9139/tde-29102009-101831/.

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Problemas dermatológicos relacionados com a pigmentação resultam em hiperpigmentações ou hipopigmentação cutâneas. Produtos cosméticos e farmacêuticos com atividade despigmentantes são utilizados para o tratamento de pacientes que apresentam distúrbios de hiperpigmentação. Os despigmentantes atualmente utilizados não são totalmente eficazes ou seguros, razão pela qual há intensa pesquisa, principalmente em países asiáticos, com a finalidade de se obter novos agentes com esta ação, em especial, inibidores de enzimas envolvidas na melanogênese como a tirosinase. Considerando-se que algumas subst
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Roque, Micaela de Pina. "Evolutionary genomics of the eye and pigmentation development genes in the cavefish Astyanax mexicanus." Dissertação, 2016. https://repositorio-aberto.up.pt/handle/10216/90914.

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Roque, Micaela de Pina. "Evolutionary genomics of the eye and pigmentation development genes in the cavefish Astyanax mexicanus." Master's thesis, 2016. https://repositorio-aberto.up.pt/handle/10216/90914.

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Singh, Suman K., Richard Baker, J. I. D. Wibawa, M. Bell, and Desmond J. Tobin. "The effects of Sophora angustifolia and other natural plant extracts on melanogenesis and melanin transfer in human skin cells." 2013. http://hdl.handle.net/10454/7148.

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no<br>Skin pigmentation is a multistep process of melanin synthesis by melanocytes, its transfer to recipient keratinocytes and its degradation. As dyspigmentation is a prominent marker of skin ageing, novel effective agents that modulate pigmentation safely are being sought for both clinical and cosmetic use. Here, a number of plant extracts were examined for their effect on melanogenesis (by melanin assay and Western blotting) and melanin transfer (by confocal immunomicroscopy of gp100-positive melanin granules in cocultures and by SEM analysis of filopodia), in human melanocytes and in cocu
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Books on the topic "Natural Pigmentation"

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Jablonski, Nina G. Skin: A Natural History. University of California Press, 2013.

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Jablonski, Nina G. Skin: A Natural History. University of California Press, 2013.

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Jablonski, Nina G. Skin: A Natural History. University of California Press, 2013.

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Jablonski, Nina G. Skin: A Natural History. University of California Press, 2014.

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Jablonski, Nina G. Skin: A Natural History. University of California Press, 2006.

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Book chapters on the topic "Natural Pigmentation"

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Wang, Siyuan, Fuchao Xu, and Jixun Zhan. "Introduction of Natural Pigments from Microorganisms." In Bio-pigmentation and Biotechnological Implementations. John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119166191.ch1.

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Tolborg, Gerit, Thomas Isbrandt, Thomas Ostenfeld Larsen, and Mhairi Workman. "Establishing Novel Cell Factories Producing Natural Pigments in Europe." In Bio-pigmentation and Biotechnological Implementations. John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119166191.ch2.

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"Natural Hair Pigmentation." In Encyclopedia of Color Science and Technology. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-89862-5_300374.

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BELYAVIN, C. G., and A. G. MARANGOS. "NATURAL PRODUCTS FOR EGG YOLK PIGMENTATION." In Recent Advances in Animal Nutrition. Elsevier, 1987. http://dx.doi.org/10.1016/b978-0-407-01163-2.50009-6.

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BELYAVIN, C. G., and A. G. MARANGOS. "NATURAL PRODUCTS FOR EGG YOLK PIGMENTATION." In Recent Developments in Poultry Nutrition. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-407-01513-5.50020-2.

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Durai, Sarathi, and Devan M. "PIGMENTATION FROM MICROALGAE." In Futuristic Trends in Biotechnology Volume 3 Book 18. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bkbt18p2ch10.

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The food, nutraceuticals, and cosmetics industries all use microalgal pigments extensively. .Pharmaceutical aquaculture, as well as the cosmetics industry. Some microalgae have been gathered. For decades, people have relied on it for food and health care. Microalgae is now used in the nutraceutical business. They have evolved as novel bioresources for the production of food and aquafeed. Bioenergy, food and feed, and wastewater bioremediation are all encouraged. Both light sources Photoautotrophic microalgal production occurs in both natural and artificial contexts. Carotenoids are antioxidant
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Reynaud, Emmanuel. "Holy Virility: The Social Construction of Masculinity." In Feminism and Masculinities. Oxford University PressOxford, 2004. http://dx.doi.org/10.1093/oso/9780199267248.003.0012.

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Abstract Old ideas die hard; in spite of our increasingly precise understanding of the mechanisms of oppression, the division of humanity into men and women is still generally presented as natural. The fact that throughout history ‘nature’ has always been invoked to justify the power of one group over another has not, for most people, cast any doubt over the validity of the division of humankind into sexes. People who assert that the mother’s presence is essential to a child’s development during the first eighteen months, or that childbearing is woman’s greatest fulfillment, are disguising wha
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Raza Ishaq, Ali, Tahira Younis, Tahira Akbar, Muhammad Asad Mangat, Maliha Fatima, and Dongbo Cai. "How to Protect Your Skin from Harmful Radiation." In Natural Products for Skin Diseases: A Treasure Trove for Dermatologic Therapy. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815179668123010005.

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Our interaction with the sun is still equivocal, to say the least. We like its soothing influence on the body and soul, but we are afraid of its highly hazardous heating ability and the long-term skin damage that can emerge from chronic sun exposure. Scientists are consistently seeking to enhance sunblock products in accordance with a need for better skin protection from the sun. Once human skin is exposed to solar ultraviolet radiation (UVR), the synthesis of reactive oxygen species (ROS) skyrockets. The influx of ROS leads to oxidative stress by mutating the natural equilibrium toward a pro-
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Murgia, Martina Salvatorina, Germano Orrù, and Cinzia Casu. "Labial Pigmented Lesions." In Common Lip Diseases: A Clinical Guide. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815238631124010008.

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The diagnosis of oral mucosal pigmentations is complex, and histopathological evaluation may be necessary to clarify the nature of the lesion. Although most oral pigmented lesions are benign, it must be emphasized that melanoma of the oral cavity, probably the most aggressive epithelial tumor, is often underestimated and diagnosed late. The dentist, therefore, should have basic knowledge of the main epidemiological and clinical characteristics of this large group of lesions. Pigmented lesions associated with melanin include racial pigmentations, melanotic macules, smoking-associated melanosis,
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Haslam, Edwin. "Polyphenols–phytochemical chameleons." In Phytochemistry and Agriculture. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198577621.003.0011.

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Abstract Natural polyphenols (syn. vegetable tannins) are complex higher plant secondary metabolites. According to earlier definitions they are water soluble, possess relative molecular masses in the range 500 to 3000, and besides giving the usual phenolic reactions, they have the ability to pre cipitate some alkaloids, gelatin, and other proteins, from solution. These complexation reactions are not only of intrinsic scientific interest as studies in molecular recognition but they have important and wide-ranging practical applications–in the manufacture of fashion leathers, in food stuffs and
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Conference papers on the topic "Natural Pigmentation"

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Pet, Mitchel, Amanda Westman, Anmol Jarang, et al. "Leveraging the naturally occurring spotted pigmentation of Hampshire swine to assess the impact of skin pigmentation on pulse oximeters and other light-based medical devices (Conference Presentation)." In Optical Diagnostics and Sensing XXV: Toward Point-of-Care Diagnostics, edited by Justin S. Baba and Gerard L. Coté. SPIE, 2025. https://doi.org/10.1117/12.3044147.

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Alexander, Kenneth R., Deborah J. Derlacki, and Gerald A. Fishman. "Relationship Between Visual Acuity and Contrast Sensitivity Deficits in Retinitis Pigmentosa." In Noninvasive Assessment of the Visual System. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/navs.1993.ntua.1.

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Retinitis pigmentosa (RP) refers to a group of retinal dystrophies that are characterized typically by night blindness, peripheral visual field restrictions and/or scotomas, abnormalities in the electroretinogram (ERG), intraretinal bone spicule-like pigmentation, and narrowing of the retinal vessels. While functional abnormalities are usually most apparent in the peripheral visual field, foveal function can often be impaired as well. Previous studies have suggested that not only can foveal visual acuity be reduced in RP patients, but foveal contrast sensitivity for relatively large targets ca
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Reports on the topic "Natural Pigmentation"

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Koven, William, Gordon Grau, Benny Ron, and Tetsuya Hirano. Improving fry quality, survival and growth in commercially farmed fish by dietary stimulation of thyroid hormone production in premetamorphosing larvae. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7695856.bard.

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There is a direct correlation between successful metamorphosis from larvae to post-larvae and the quality of the resultant juveniles or fry. Juvenile quality, in turn, is a major factor influencing fish production level and market price. However, following the profound morphological and physiological changes occurring during metamorphosis, the emerging juveniles in some species characteristically demonstrate heterotrophic growth, poor pigmentation, cannibalism and generally poor survival. The white grouper (Epinephelus aeneus) in Israel and the Pacific threadfin (Polydactylussexfilis) in Hawai
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