Granular form of vegetative storage proteins was observed in the large central vacuoles of the secondary phloem parenchyma cells and secondary phloem ray parenchyma cells in the samples fixed in 4% glutaraldehyde.

• 在用戊二醛固定的标本中，营养贮藏蛋白质呈颗粒状，积累在中央大液泡里。