气候变化对双壳类动物体内 Omega-3 长链多不饱和脂肪酸的影响。

IF 7.3 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY
Karsoon Tan, Julian Ransangan, Kianann Tan, Kit-Leong Cheong
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引用次数: 0

摘要

奥米加-3 长链多不饱和脂肪酸(n-3 LC-PUFA)对人类健康有许多益处。越来越多的证据表明,气候变化减少了浮游生物初级消费者可获得的 n-3 LC-PUFA,从而可能减少人类可获得的 n-3 LC-PUFA。由于海洋双壳贝类是人类获取 n-3 LC-PUFA 的重要来源,而双壳贝类养殖完全依赖环境水中的浮游植物作为食物,因此了解气候变化对双壳贝类脂质营养质量的影响非常重要。本研究从已发表的文献中提取了不同地区(热带、亚热带和温带)、不同时间(1990 年前、1991-1995 年、1996-2000 年、2001-2005 年、2006-2010 年、2011-2015 年、2016-2020 年)不同双壳类动物(贻贝、牡蛎、蛤蜊、扇贝和蚶子)的脂肪酸谱,计算出各种脂质营养质量指标。研究结果表明,全球变暖和文石饱和度下降对双壳贝类脂质含量和脂质指数的影响与地理区域和双壳贝类有很大关系。总体而言,全球变暖对温带双壳类动物脂质含量和脂质指数的负面影响最大,包括降低 PUFA/SFA、EPA + DHA 和 n-3/n-6。然而,全球变暖对其他地区脂质含量和脂质指数的负面影响要小得多。海水中文石饱和度的下降促进了热带和亚热带双壳类动物脂质含量的积累,但却损害了所有地区双壳类动物的 PUFA/SFA、EPA + DHA 和 n-3/n-6。本研究的发现不仅填补了气候变化对双壳贝类脂质营养质量影响的知识空白,而且为制定双壳贝类养殖和渔业管理计划以减轻气候变化的影响提供了指导。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The impact of climate change on Omega-3 long-chain polyunsaturated fatty acids in bivalves.

Omega-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFA) have many health benefits to human. Increasing evidence have shown that climate change reduces the availability of plankton n-3 LC-PUFA to primary consumers which potentially reduces the availability of n-3 LC-PUFA to human. Since marine bivalves are an important source of n-3 LC-PUFA for human beings, and bivalve aquaculture completely depends on phytoplankton in ambient water as food, it is important to understand the impact of climate change on the lipid nutritional quality of bivalves. In this study, fatty acid profile of different bivalves (mussels, oysters, clams, scallops and cockles) from different regions (tropical, subtropical and temperate) and time (before 1990, 1991-1995, 1996-2000, 2001-2005, 2006-2010, 2011-2015, 2016-2020) were extracted from published literature to calculate various lipid nutritional quality indicators. The results of this study revealed that the effects of global warming and declines in aragonite saturation state on the lipid content and lipid indices of bivalves are highly dependent on the geographical region and bivalves. In general, global warming has the largest negative impact on the lipid content and indices of temperate bivalves, including decreasing the PUFA/SFA, EPA + DHA and n-3/n-6. However, global warming has a much smaller negative impact on lipid content and lipid indices in other regions. The declines of aragonite saturation state in seawater promotes the accumulation of lipid content in tropical and subtropical bivalves, but it compromised the PUFA/SFA, EPA + DHA and n-3/n-6 of bivalves in all regions. The findings of this study not only fill the knowledge gap of the impact of climate change on the lipid nutritional quality of bivalves, but also provide guidance for the establishment of bivalve aquaculture and fisheries management plans to mitigate the impact of climate change.

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来源期刊
CiteScore
22.60
自引率
4.90%
发文量
600
审稿时长
7.5 months
期刊介绍: Critical Reviews in Food Science and Nutrition serves as an authoritative outlet for critical perspectives on contemporary technology, food science, and human nutrition. With a specific focus on issues of national significance, particularly for food scientists, nutritionists, and health professionals, the journal delves into nutrition, functional foods, food safety, and food science and technology. Research areas span diverse topics such as diet and disease, antioxidants, allergenicity, microbiological concerns, flavor chemistry, nutrient roles and bioavailability, pesticides, toxic chemicals and regulation, risk assessment, food safety, and emerging food products, ingredients, and technologies.
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