Eco-friendly extraction, optimization, and characterization of carotenoprotein from shrimp waste biomass using a novel alkaline protease, Ecoenzyme (ECOENZYME–ALKP)

Dayakar, Bandela; Ngasotter, Soibam; Layana, Porayil; Balange, Amjad Khansaheb; Nayak, Binaya Bhusan; Xavier, K. A. Martin

doi:10.1007/s13399-024-06087-y

Biomass Conv. Bioref.

2024

DOI: 10.1007/s13399-024-06087-y

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Eco-friendly extraction, optimization, and characterization of carotenoprotein from shrimp waste biomass using a novel alkaline protease, Ecoenzyme (ECOENZYME–ALKP)

Bandela Dayakar,

Soibam Ngasotter,

Porayil Layana

et al.

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Cited by 2 publications

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Evaluating the reinforcing potential of steam-exploded chitin nanocrystals in chitosan-based biodegradable nanocomposite films for food packaging applications

Ngasotter,

Xavier,

Sagarnaik

et al. 2025

Carbohydrate Polymers

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Evaluating the reinforcing potential of steam-exploded chitin nanocrystals in chitosan-based biodegradable nanocomposite films for food packaging applications

Ngasotter,

Xavier,

Sagarnaik

et al. 2025

Carbohydrate Polymers

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Facile Green Production of Chitin Nanomaterials from Shrimp Shell Chitin Using Recyclable Maleic Acid and Microwave Irradiation

Ngasotter,

Xavier,

Porayil

et al. 2024

ACS Sustainable Chem. Eng.

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This study presents a facile, green, and sustainable method for the integrated production of chitin nanocrystals (ChNCs) and nanofibers (ChNFs) from shrimp shell chitin using recyclable maleic acid and microwave irradiation. Maleic acid, a mild organic acid, is employed for hydrolysis and functionalization, with 88.5% recovery for reuse, contributing to the sustainability of the process. Optimal production conditions, determined using response surface methodology (RSM), were an 85% acid concentration, 26.63 min of reaction time, and 315.41 W microwave power, yielding 26.28% ChNCs and 64.04% ChNFs. Transmission electron microscopy (TEM) revealed rod-like ChNCs (543.71 nm length, 48.70 nm width) and web-like ChNFs (61.15 nm width). Fouriertransform infrared spectroscopy (FTIR) confirmed successful surface carboxylation, with degrees of substitution of 0.32 for ChNCs and 0.28 for ChNFs. Both nanomaterials exhibited high crystallinity (91.55% for ChNCs, 87.65% for ChNFs), negative zeta potential values (−44.56 mV for ChNCs, −16.93 mV for ChNFs), and enhanced thermal stability compared to raw chitin. The process, evaluated using sustainability metrics, yielded an E-factor of 3.317, highlighting significant waste reduction over conventional acid hydrolysis. This eco-friendly approach aligns with green chemistry principles and offers a sustainable, scalable solution for chitin nanomaterial production, suitable for diverse industrial applications.

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Eco-friendly extraction, optimization, and characterization of carotenoprotein from shrimp waste biomass using a novel alkaline protease, Ecoenzyme (ECOENZYME–ALKP)

Cited by 2 publications

References 45 publications

Evaluating the reinforcing potential of steam-exploded chitin nanocrystals in chitosan-based biodegradable nanocomposite films for food packaging applications

Evaluating the reinforcing potential of steam-exploded chitin nanocrystals in chitosan-based biodegradable nanocomposite films for food packaging applications

Facile Green Production of Chitin Nanomaterials from Shrimp Shell Chitin Using Recyclable Maleic Acid and Microwave Irradiation

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