由Reichman大学领导的国际研究团队开发出一种创新的螺旋藻培养技术，通过控制光照条件使其能够生产生物活性维生素B12，含量达到1.64微克/100克，与牛肉的0.7-1.5微克/100克相当1。这项突破首次在螺旋藻中实现了人体可直接利用的活性B12生产，解决了传统螺旋藻主要含有人体无法吸收的假B12的问题1。该研究由Dr. Asaf Tzachor主导，已于2024年发表在《Discover Food》期刊第4卷第1期1。
据研究团队测算，这一碳中和系统具有显著的实用潜力1。利用冰岛的重工业电力，每年可生产277,950吨螺旋藻生物量，足以为1380万名1-3岁儿童提供推荐的日摄入量（2.4微克/天）1。全球估计超过10亿人维生素B12水平偏低，这项可持续的营养来源可为他们提供新的解决方案1。研究团队汇集了来自以色列、奥地利、丹麦和冰岛的专家力量，包括维也纳生命资源大学、Ruppin学术中心、丹麦技术研究所和冰岛MATIS等机构1。
Scientists led by Dr. Asaf Tzachor at Reichman University have developed a sustainable method to cultivate spirulina that produces bioactive vitamin B12 at levels comparable to beef, addressing a critical nutritional gap affecting over one billion people worldwide 1. Through controlled light management techniques, the researchers achieved B12 concentrations of 1.64 micrograms per 100 grams in cultivated spirulina, matching the 0.7–1.5 microgram range found in beef 1. This breakthrough resolves a longstanding limitation of traditional spirulina, which predominantly contains pseudo-B12—a form the human body cannot utilize 1.
The carbon-neutral production system demonstrates significant scalability potential 1. Iceland's industrial electricity infrastructure alone could support annual production of 277,950 tons of spirulina biomass, sufficient to meet the recommended daily intake of 2.4 micrograms for approximately 13.8 million children aged 1 to 3 years 1. The findings, published in Discover Food in 2024 (Volume 4, Issue 1), represent the first documented successful production of bioactive B12 in spirulina and reflect a collaborative effort involving researchers from Reichman University, the University of Natural Resources and Life Sciences Vienna, Ruppin Academic Center, the Danish Technological Institute, and Iceland's MATIS research organization 1.
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