METHOD FOR PRODUCING ASTAXANTHIN
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United States of America Patent
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Jan 14, 2021
app pub date -
Sep 14, 2017
filing date -
Sep 21, 2016
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Abstract
Efficiency of production method for producing astaxanthin by culturing microalgae is improved. A method for producing astaxanthin in which astaxanthin is produced in inner of algae by culturing a microalga, wherein a light irradiation during a green stage culturing of the microalga is performed by using both a blue LED of peak wavelength from 420 to 500 nm and a red LED of peak wavelength from 620 to 690 nm, and having a ratio of photon flux density of the blue LED to the red LED to be 2:3 to 20:1. It is preferable that the photon flux density of the blue LED is from 5 to 200 μmol/m2/s, and the photon flux density of the red LED is from 5 to 200 μmol/m2/s.
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