Abstract
Asiaticoside is a triterpene found in gotu kola. Numerous studies have demonstrated the medicinal properties of asiaticoside in wound healing, memory improvement, and skin improvement. However, poor solubility limits its applicability in agricultural products. To improve the solubility, we conducted the microencapsulation process by spray drying. The results show that a cyclodextrin/maltodextrin 1:8 wall, a dry mass content of 21%, and a drying temperature of 190 °C provide the capsules with the highest asiaticoside content (1.0634 mg·g–1). The microcapsules have stable moisture, solubility, colour and the asiaticoside content after six months of storage at ambient temperature.
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