Scientists Grow Spirulina with Active Vitamin B12
Researchers have developed a method to grow Spirulina, a type of blue-green algae, that produces biologically active vitamin B12 at levels comparable to beef. This breakthrough could solve a major nutritional limitation of Spirulina, which has often been celebrated for its potential as a sustainable food source.
Key Research Insights
The study was published in Discover Food, led by Dr. Asaf Tzachor from Reichman University, in collaboration with scientists from Iceland, Denmark, and Austria. By utilizing advanced biotechnology and controlled light conditions, the team managed to create carbon-neutral Spirulina biomass rich in active vitamin B12—the first instance of such findings in this algae.
The Global Vitamin B12 Issue
Vitamin B12 is crucial for various bodily functions, including red blood cell formation and maintaining a healthy nervous system. Over a billion people worldwide are estimated to have insufficient levels of this micronutrient, commonly obtained through meat and dairy products.
While traditional Spirulina offers various nutrients, it typically contains predominantly pseudo-vitamin B12, which isn’t effectively utilized by the human body.
Innovative Light Management
Researchers explored a biotechnology platform developed by VAXA Technologies, focusing on photonic management—altering light conditions during Spirulina growth. This innovation allowed for the successful production of biologically active vitamin B12, alongside other beneficial compounds with antioxidant and immune-boosting abilities.
The resulting Spirulina biomass demonstrated 1.64 µg of active vitamin B12 per 100 grams, comparable to beef levels of 0.7-1.5 μg.
Potential Scaling Impact
The researchers examined scaling this technology. If large-scale production were realized, reallocating electricity from Iceland’s heavy industry could yield approximately 277,950 tonnes of Spirulina biomass annually, containing enough vitamin B12 for over 13.8 million children aged 1-3.
Ambitious scenarios could potentially supply even more, illustrating the significant nutritional capabilities of this advanced Spirulina cultivation.
Conclusion: A Sustainable Vitamin Source
If the technology scales successfully, it could offer a sustainable alternative to animal-source foods, addressing vitamin B12 deficiencies while minimizing our reliance on meat and dairy production. This approach underscores the potential of biotechnology to improve the nutritional profiles of rapidly growing food sources.
Further research and large-scale production efforts will be essential to integrate this innovation into existing food systems, paving the way for more sustainable nutrient sources and addressing future global health challenges.
