Instant Controlled Pressure Drop (DIC) as an innovative pre-treatment for extraction of natural compounds from the brown seaweed Sargassum muticum (Yendo) Fensholt 1955 (Ochrophytina, Fucales)

IF 4.6 2区生物学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Algal Research-Biomass Biofuels and Bioproducts Pub Date : 2024-09-12 DOI:10.1016/j.algal.2024.103705

Hugo Pliego-Cortés , Virginie Boy , Nathalie Bourgougnon

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Abstract

The effects of the Instant Controlled Pressure Drop (DIC) technology on the recovery of natural compounds from the brown seaweed Sargassum muticum (Yendo) Fensholt 1955 (Ochrophytina, Fucales) were investigated. Fresh biomass of S. muticum was collected on the Brittany Coast, France. Both fresh and Air Impingement-Dried (AID) thalli of 3 and 10 cm length were submitted to DIC during 20 s or 90 s of processing time under 100 or 800 kPa of saturated steam pressure. DIC treatment significantly improved the extraction of sulphate groups at 90 s, and carotene at 20 s under 100 kPa in thalli of 10 cm. While, coupling AID to DIC, the content of neutral sugars, proteins and antioxidants were higher in AID + DIC treatments. Further, a significant increase of 20 % in fucose-containing sulfated polysaccharides and 30 % in sodium alginate under 100 kPa during 90 s, compared to oven-dried, was observed. The biomass of the invasive S. muticum treated by DIC and AID + DIC represented a valuable contribution for extraction of natural compounds. Advantages for industrial integration of DIC were discussed.

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瞬时可控压降（DIC）作为一种创新的预处理方法，用于从棕色海藻 Sargassum muticum (Yendo) Fensholt 1955（Ochrophytina, Fucales）中提取天然化合物

研究了瞬时可控压降（DIC）技术对从棕色海藻 Sargassum muticum (Yendo) Fensholt 1955（Ochrophytina, Fucales）中回收天然化合物的影响。马尾藻的新鲜生物量采集于法国布列塔尼海岸。在 100 或 800 kPa 饱和蒸汽压力下，将长度分别为 3 厘米和 10 厘米的新鲜和空气浸渍干燥（AID）的毛茎进行 20 或 90 秒的 DIC 处理。在 90 秒内，DIC 处理明显提高了硫酸基的提取率；在 100 千帕的压力下，20 秒内，10 厘米长的铊的胡萝卜素提取率也有所提高。将 AID 与 DIC 相结合，AID + DIC 处理中的中性糖、蛋白质和抗氧化剂含量更高。此外，与烘干处理相比，在 100 kPa 下 90 秒内，含岩藻糖的硫酸化多糖含量大幅增加了 20%，海藻酸钠含量增加了 30%。经 DIC 和 AID + DIC 处理的入侵 S. muticum 的生物质为天然化合物的提取做出了宝贵贡献。讨论了 DIC 工业化的优势。

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来源期刊

Algal Research-Biomass Biofuels and Bioproducts BIOTECHNOLOGY & APPLIED MICROBIOLOGY-

CiteScore

9.40

自引率

7.80%

发文量

332

期刊介绍： Algal Research is an international phycology journal covering all areas of emerging technologies in algae biology, biomass production, cultivation, harvesting, extraction, bioproducts, biorefinery, engineering, and econometrics. Algae is defined to include cyanobacteria, microalgae, and protists and symbionts of interest in biotechnology. The journal publishes original research and reviews for the following scope: algal biology, including but not exclusive to: phylogeny, biodiversity, molecular traits, metabolic regulation, and genetic engineering, algal cultivation, e.g. phototrophic systems, heterotrophic systems, and mixotrophic systems, algal harvesting and extraction systems, biotechnology to convert algal biomass and components into biofuels and bioproducts, e.g., nutraceuticals, pharmaceuticals, animal feed, plastics, etc. algal products and their economic assessment