... Appearance: Dark brown powder Plant Part Used: Whole plant Extract Solution: Grain alcohol Molecular formula and weight: C30H16O8, 504 ... .45 Melting Point: 320℃-323℃ What is St. John’s Wort Extract? Hypericum extracts contain at least ten components or ... mild neuroses, sleepwalkers, and accident victims. Company name : 3W Botanical Extract Inc ADD: F25, Jiahege Blog, #217 Wanjiali Road, Changsha ...