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Valorization of biowastes as fermentative substrate for production of Exiguobacterium sp. GM010 pigment and toxicity effect in rats.
Krishna Prashanth, Ramesh Mekala and Amruta, D. and Muthukumar, S. P. and Mohan, A. Dhale (2023) Valorization of biowastes as fermentative substrate for production of Exiguobacterium sp. GM010 pigment and toxicity effect in rats. Food Chemistry, 407. p. 135131.
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Abstract
Bioconversion of biowastes chicken feather (CF), prawn carapace (PC), fish scale (FS), and corncob (CC) were used for Exiguobacterium sp. GM010 pigment production to reduce environmental pollution. Maximum pigment was produced in 4 % PC hydrolysate medium at pH 8 and 30 ◦C (0.831 Absorption Unit-AUmL− 1 ) compared to other hydrolysate. Biomass (1061.19 ± 26.14 mg/100 mL) and pigment yield (34.26 ± 0.62 mg/100 mL) were higher in PC medium. In CF + PC hydrolysate combination, biomass and pigment yield was 890.58 ± 11.5 mg/ 100 mL and 13.94 ± 0.17 mg/100 mL, respectively. Carbon and nitrogen ratio in the medium influenced pigment production. The UV–visible spectrum showed absorption peak at 357, 466, and 491 nm. Further hue angle (77–72) and chroma values (8.68–11.38) distributed over yellowish-orange region of CIELAB spectrum indicated carotenoid like characteristics. Wistar rats fed with pigment (2000 mg/kg bw) did not show sign of toxicity in haematological, biochemical and histopathological analysis. Therefore, pigment produced by recy�cling the biowastes promotes sustainable bioprocess and circular bioeconomy
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Biowaste Exiguobacterium By-product valorization Pigment Toxicity |
| Subjects: | 600 Technology > 08 Food technology > 16 Nutritive value > 07 Waste utilization |
| Divisions: | Dept. of Biochemistry Food Microbiology |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 16 May 2023 05:00 |
| Last Modified: | 16 May 2023 05:00 |
| URI: | http://ir.cftri.res.in/id/eprint/16356 |
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