Research Keyword: natural pigments

Isolation and Identification of Pigment-Producing Endophytic Fungi from the Amazonian Species Fridericia chica

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Scientists discovered nine types of fungi living inside an Amazonian plant called crajiru that produce colorful pigments. One fungus called Hypoxylon investiens stood out for producing a red pigment with strong antioxidant and antimicrobial properties. This discovery could help replace synthetic dyes in food and cosmetics with natural alternatives from fungi, which are easier and cheaper to produce than extracting pigments from plants.

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Pigment production by a newly isolated strain Pycnoporus sanguineus SYBC-L7 in solid-state fermentation

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Researchers isolated a fungal strain that produces bright orange natural pigments through fermentation on wood chips and other agricultural waste. By optimizing growing conditions such as pH and moisture, they achieved high pigment yields with antibacterial properties. The pigments identified in this study showed effectiveness against harmful bacteria and could replace synthetic dyes in food, cosmetics, and textile products.

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The Color-Developing Methods for Cultivated Meat and Meat Analogues: A Mini-Review

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This review examines how scientists are improving the color of lab-grown and plant-based meat to make them look more like traditional meat. Both natural ingredients like beet juice and paprika, as well as specialized cooking techniques, can help achieve the desired red meat color. The research shows that combining multiple coloring methods works better than using a single ingredient, and natural colorants are becoming preferred over synthetic dyes due to health concerns.

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Isolation and Structural Characterization of Melanins from Red and Yellow Varieties of Stropharia rugosoannulata

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Researchers studied the pigments that give mushrooms their colors, specifically looking at red and yellow varieties of wine cap mushrooms. They found that these colors come from melanin, the same pigment found in human skin. The study revealed that the red variety has more of certain melanin types than the yellow variety, which explains why they look different. These pigments could have health benefits because melanins are known to have antioxidant and anti-tumor properties.

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Biotechnological production of natural pigments for textile dyeing

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Scientists developed a new way to create natural pigments from a common fungus that could replace synthetic dyes in textiles. They used leftover materials from cheese and corn processing as cheap nutrients, and even used corncob as a growing surface. The resulting pigments successfully dyed cotton and linen fabrics, offering a more environmentally friendly and cost-effective alternative to traditional chemical dyes.

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