This invention discloses a compound
plant extract and its preparation method, belonging to the field of natural
plant extraction technology. The compound extract is composed of a specific ratio of *
Houttuynia cordata*, silkworm cocoon, *
Cinnamomum camphora*, basil, *
Salvia splendens*,
lavender, fennel, cardamom, red dates, multi-petaled rose petals, and
gourd seeds, prepared using an integrated process of "soaking-simultaneous boiling and
distillation extraction". This invention, through optimized component compatibility and preparation process, solves the problems of volatile component loss and low
utilization rate of effective components in traditional
extraction methods. It possesses comprehensive effects of anti-inflammatory and soothing,
antioxidant, psychosomatic regulation, and sleep aid, and can be applied in daily chemical, pharmaceutical, health care, and herbal beverage fields.