Morus albaMorus alba (White Mulberry) In Chinese Medicine, M. alba is used to tonify the blood and enrich the yin (Chinese Herbal Medicines Materia Medica, pg 334-5). It is used as a tonic and as an expectorant for asthma, bronchitis, cold and cough and dyspepsia. M.alba’s properties are sweet and cold. Morus alba supplies polyhenolic compounds such a morin, mulbulberrin and maclurin, to name a few. The fruit also contains a significant amount of resveratrol. Interestingly, the leaves happen to be the primary food source for the silkworm.