Osmanthus serrulatus Rehd., a species endemic to China, occupies an important phylogenetic node of flowering trees, ......

从光合细菌Ｐ４株提取的类胡锣卜的主要成分为β－胡萝卜素，提取率约为０．３９％，菌体中类胡萝卜素的生物合成受环境中多种因素的影响，弱光，厌氧，较高温......