Bioprocessing of Shrimp Shell Waste into Chitin and Functional Ingredients with High Bioactive Activity

IF 6.7 1区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Journal of Agricultural and Food Chemistry Pub Date : 2026-10-15 DOI:10.1021/acs.jafc.6c09636

Jariya Ruangwicha,Benjamas Cheirsilp,Wasana Suyotha

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引用次数: 0

Abstract

Abstract Shrimp shell waste represents an abundant marine biomass containing chitin, proteins, minerals, and carotenoids that can be valorized through integrated biorefinery processing. Shrimp shell waste was bioprocessed to obtain chitin and bioactive coproducts using colactic acid fermentation (Co-LAF) and alkaline protease post-treatment. Mature coconut water was used as the sole nutrient source during Co-LAF, achieving demineralization (DM) efficiency >96% and deproteination (DP) efficiency >60%. Enzymatic post-treatment further increased DM to >99% and DP to >98%. Scale-up in a stirred-tank bioreactor produced comparable DM and DP efficiencies with a chitin yield of 25.1 ± 0.04%. The extracted chitin exhibited higher crystallinity (80.3%) and degree of acetylation (∼100%) than chemically extracted chitin. Liquid fractions containing calcium, protein hydrolysates, and carotenoids were characterized for antioxidant-related properties and GC–MS metabolites, indicating their potential for food, feed, and biobased material applications.

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虾壳废弃物生物加工制备几丁质及高生物活性功能性成分的研究

虾壳废弃物是一种丰富的海洋生物质，含有几丁质、蛋白质、矿物质和类胡萝卜素，可以通过综合生物炼制加工得到价值。采用乳酸发酵（Co-LAF）和碱性蛋白酶后处理对虾壳废弃物进行生物处理，得到几丁质及其生物活性副产物。在Co-LAF过程中，成熟的椰子水作为唯一的营养来源，达到了脱矿（DM）效率。96%和脱蛋白（DP）效率&；gt;60%。酶处理后DM进一步升高至&；gt；99%， DP为98%。在搅拌槽生物反应器中放大后，DM和DP效率相当，甲壳素产率为25.1±0.04%。与化学提取的几丁质相比，提取的几丁质具有更高的结晶度（80.3%）和乙酰化程度（~ 100%）。含有钙、水解蛋白和类胡萝卜素的液体组分具有抗氧化相关特性和GC-MS代谢物，表明其在食品、饲料和生物基材料中的应用潜力。

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来源期刊

Journal of Agricultural and Food Chemistry 农林科学-农业综合

CiteScore

9.90

自引率

8.20%

发文量

1375

审稿时长

2.3 months

期刊介绍： The Journal of Agricultural and Food Chemistry publishes high-quality, cutting edge original research representing complete studies and research advances dealing with the chemistry and biochemistry of agriculture and food. The Journal also encourages papers with chemistry and/or biochemistry as a major component combined with biological/sensory/nutritional/toxicological evaluation related to agriculture and/or food.