PMID- 16677844
OWN - NLM
STAT- MEDLINE
DCOM- 20061221
LR  - 20061010
IS  - 1350-4177 (Print)
IS  - 1350-4177 (Linking)
VI  - 14
IP  - 2
DP  - 2007 Feb
TI  - Ultrasound assisted supercritical fluid extraction of oil and coixenolide from 
      adlay seed.
PG  - 219-24
AB  - Oil and coixenolide are important components of adlay seed (Coix lachrymal-jobi 
      L. var. Adlay) with many beneficial functions to human health. In this work, a 
      novel extraction technique--ultrasound assisted supercritical fluid extraction 
      (USFE)--was studied. Effects of operating conditions on the extraction, including 
      extraction temperature (T), pressure (P), time (t), CO(2) flow rate (F) and 
      ultrasonic power (I) were investigated. There are optimum temperatures which 
      gives the maximum extraction yields (EYs) for the supercritical fluid extractions 
      with and without ultrasound. The effect of pressure on EYs for is similar to that 
      of pressure on CO(2) density. Based on the yield of extraction, the favorable 
      conditions for supercritical fluid extraction (SFE) were: T at 45 degrees C, P at 
      25 MPa, t at 4.0 h and F at 3.5L/h. While ultrasound was applied as in USFE, the 
      following parameters were preferred: T at 40 degrees C, P at 20 MPa, t at 3.5h 
      and F at 3.0 L/h, respectively. The results show that supercritical fluid 
      extraction with the assistance of ultrasound could reduce the temperature, 
      pressure, CO(2) flow rate, as well as time used in the process. Compared with 
      SFE, USFE could give a 14% increase in the yield for extracting oil and 
      coixenolide from adlay seed with less severe operating conditions.
FAU - Hu, Ai-jun
AU  - Hu AJ
AD  - Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic 
      University, Hunghom, Kowloon, Hong Kong.
FAU - Zhao, Shuna
AU  - Zhao S
FAU - Liang, Hanhua
AU  - Liang H
FAU - Qiu, Tai-qiu
AU  - Qiu TQ
FAU - Chen, Guohua
AU  - Chen G
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20060504
PL  - Netherlands
TA  - Ultrason Sonochem
JT  - Ultrasonics sonochemistry
JID - 9433356
RN  - 0 (Plant Extracts)
RN  - 0 (Plant Oils)
SB  - IM
MH  - Chromatography, Supercritical Fluid/*methods
MH  - Coix/*chemistry/radiation effects
MH  - Dose-Response Relationship, Radiation
MH  - Plant Extracts/*isolation & purification/radiation effects
MH  - Plant Oils/*isolation & purification/*radiation effects
MH  - Pressure
MH  - Radiation Dosage
MH  - Seeds/*chemistry/radiation effects
MH  - *Sonication
MH  - Temperature
EDAT- 2006/05/09 09:00
MHDA- 2006/12/22 09:00
CRDT- 2006/05/09 09:00
PHST- 2005/09/21 00:00 [received]
PHST- 2006/02/23 00:00 [revised]
PHST- 2006/03/07 00:00 [accepted]
PHST- 2006/05/09 09:00 [pubmed]
PHST- 2006/12/22 09:00 [medline]
PHST- 2006/05/09 09:00 [entrez]
AID - S1350-4177(06)00037-X [pii]
AID - 10.1016/j.ultsonch.2006.03.005 [doi]
PST - ppublish
SO  - Ultrason Sonochem. 2007 Feb;14(2):219-24. doi: 10.1016/j.ultsonch.2006.03.005. 
      Epub 2006 May 4.