Halimah MUHAMAD,Nicholas Mun Hoe KHONG,Wee Ting LAI
申请号:
US14856410
公开号:
US20160278416A1
申请日:
2015.09.16
申请国别(地区):
US
年份:
2016
代理人:
摘要:
The present invention relates to methods for producing water soluble oil palm leaf powder and concentrate. The most preferred method includes the steps of (a) cleaning the leaves with water or an acid with pH lower than 5.5 and salts to produce an extract, (b) extracting the oil palm leaves with a solvent which has polarity index above 2.5 such as methanol, ethanol or ethyl acetate or any combination thereof, especially catechins or ethanol and water which are generally recognized as safe (GRAS) for food consumption (c) filtering and/or centrifuging the extract, (d) sterilizing the extract and (e) microencapsulating the extract from step (d) to form the water soluble oil palm leaf powder and concentrate.