1·Phenolic pollution or browning ln tissue culture of sugarcane is affected by various factors.
甘蔗组培中的酚害（又称酚污染或褐化）受多种因素的影响。
2·Pinot blanc berry skins have an unusually high tannin content and the wines are prone to Browning.
白比诺的果皮中含有较高的单宁，因此用白比诺酿造的葡萄酒容易发生褐化。
3·If concentration of TDZ is higher, callus of rice would be browning, dwarfness wrinkled leaves, and vitrification.
高浓度的TDZ有一定的毒害作用，导致愈伤组织褐化，诱导的不定芽出现矮化、叶片卷曲、玻璃化等现象。
4·PPO and browning rate's correlation is not significant;
褐化率与PPO活性的相关性不显著；
5·Adding sorbitol to the subculture medium could improve the growing state of the calli and decrease the percentage of Browning calli.
在继代培养基中添加山梨醇能改善愈伤组织的生长状态，降低愈伤组织的褐化。