Fifteen laticiferous plant species of Apocyanaceae, Asclepiadaceae, Convolvulaceae, Euphorbiaceae were tested for their suitability as alternative sources of renewable energy, and phytochemicals. Their polyphenol, oil and hydrocarbon contents were analysed. Among them the best species were Carissa carandas L., Ceropegia juncea Roxb., Hemidesmus indicus R. Br: and Sarcostemma brunourianum W.A.