| 摘要 |
PROBLEM TO BE SOLVED: To obtain Spirulina accumulating lycopene useful as a natural pigment, an anticarcinogenic substance, etc., by culturing the Spirulina in a culture medium containing nicotine in a proper amount. SOLUTION: The Spirulina, preferably Spirulina platensis, is cultured in a culture medium (preferably SOT medium) containing nicotine in an amount of approximately 200-500μmole/liter. A stationary culture is preferably carried out at 20-30 deg.C by a disconstinuous irradiation method comprising a bright condition under an illuminance of approximately 3,000 lux for 12hr and a dark condition for 12hr. |
