But T. viride yellow pigment was unstable to sunlight with the retention rate of 48.24% under sunlight for 2 days and 95.49% indoor for 7 days, contrastively 99.01% of airproof and photophobic.

• 黄色素光稳定性较差，日光直射褪色较快，2d后色素保留率仅存48.；24%25，室内自然光照射色素水溶液7d后的色素保留率为95