微藻:人类可持续营养的潜在新型蛋白质
Ellen Williamson1, Ian L Ross2, Benjamin T Wall3
1Department of Public Health and Sports Sciences, University of Exeter, Exeter, EX1 2LU, UK; Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia.
Trends in plant science
|September 10, 2023
概括
微藻提供一种可持续的蛋白质解决方案,以满足不断增长的全球需求. 这些微生物提供必需氨基酸,对环境的影响低于传统来源,支持未来的粮食安全.
科学领域:
- 营养科学 营养科学
- 可持续农业 可持续农业
- 生物技术是生物技术.
背景情况:
- 到2050年全球人口增长到100亿,需要饮食蛋白质增加32-78%.
- 目前的蛋白质来源 (植物和动物) 面临着严重的资源限制和环境问题.
- 微藻是一种可行的替代品,因为它们的可扩展性和较低的资源需求.
研究的目的:
- 评估微藻作为未来全球饮食需求的可持续蛋白质来源.
- 突出微藻对传统蛋白质来源的营养和环境优势.
- 为了强调正在进行的优化微藻对增强效益的研究.
主要方法:
- 文献审查和对微藻种植和营养特征现有数据的分析.
- 土地,水和二氧化碳足迹每单位蛋白质的比较评估.
- 评估蛋白质含量,必需氨基酸平衡和生物可用性.
主要成果:
- 微藻种植具有高度可扩展性,每单位蛋白质的土地和淡水使用量显著减少.
- 许多微藻种类具有高蛋白质含量和均衡的必需氨基酸 (EAA) 概况.
- 微藻蛋白显示出生物可用性,并有可能通过加工提高消化能力.
结论:
- 微藻是一种有希望的,可持续的蛋白质替代品,以满足不断增长的全球需求.
- 进一步优化物种,种植和加工将增强微藻的营养,社会和环境优势.
- 微藻类有助于可持续的粮食系统和未来的粮食安全.
相关概念视频
Green Algae
45
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
45
Overview of Algae
45
The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
45
Red Algae
56
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
56
Other Algae
45
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
45
Proteins: Dietary Sources and Requirements
505
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
505


