Degradation of cellulose by bacteria isolated of soil from different district of Uttar Pradesh

Kumar, Kunvar Gyanendra; Singh, KN; Shivani, .; Kumar, Anil; Singh, Pratibha; Dwivedi, DK

doi:10.22271/chemi.2020.v8.i5q.10472

Cited by 1 publication

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References 3 publications

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“…[47] Some focused only on the chemistry of a specific group of natural or synthetic pigments, such as flavylium-based dyes [49] or cyanines [48] or cyanines. [49] A number of articles reviewed pigments only from specific natural sources, such as fungal pigments, [8,50,51] bacterial pigments, [6,52,53] soil bacterial pigments, [54] microbial and microorganisms pigments, [55][56][57][58][59][60][61][62][63][64] marine pigments, [65,66] algal pigments, [67][68][69] and leaf pigments. [70] On the other hand, some articles focused mostly on the extraction [71] or stability [72,73] of some classes of pigments.…”

Section: Introductionmentioning

confidence: 99%

A Review of the Chemistry and Biological Activities of Natural Colorants, Dyes, and Pigments: Challenges, and Opportunities for Food, Cosmetics, and Pharmaceutical Application

Pasdaran

Zare

Hamedi

et al. 2023

Chemistry & Biodiversity

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Natural pigments are important sources for the screening of bioactive lead compounds. This article reviewed the chemistry and therapeutic potentials of over 570 colored molecules from plants, fungi, bacteria, insects, algae, and marine sources. Moreover, related biological activities, advanced extraction, and identification approaches were reviewed. A variety of biological activities, including cytotoxicity against cancer cells, antioxidant, anti‐inflammatory, wound healing, anti‐microbial, antiviral, and anti‐protozoal activities, have been reported for different pigments. Considering their structural backbone, they were classified as naphthoquinones, carotenoids, flavonoids, xanthones, anthocyanins, benzotropolones, alkaloids, terpenoids, isoprenoids, and non‐isoprenoids. Alkaloid pigments were mostly isolated from bacteria and marine sources, while flavonoids were mostly found in plants and mushrooms. Colored quinones and xanthones were mostly extracted from plants and fungi, while colored polyketides and terpenoids are often found in marine sources and fungi. Carotenoids are mostly distributed among bacteria, followed by fungi and plants. The pigments isolated from insects have different structures, but among them, carotenoids and quinone/xanthone are the most important. Considering good manufacturing practices, the current permitted natural colorants are: Carotenoids (canthaxanthin, β‐carotene, β‐apo‐8′‐carotenal, annatto, astaxanthin) and their sources, lycopene, anthocyanins, betanin, chlorophyllins, spirulina extract, carmine and cochineal extract, henna, riboflavin, pyrogallol, logwood extract, guaiazulene, turmeric, and soy leghemoglobin.

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