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Phytochemistry, Vol: 49, Issue: 4, October 27, 1998, pp.1069-1078
"Polyphenols and alkaloids from piper species"
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Chem.Phar.Bull. vo.31(10) Oct-1983 p.3562-65
"Studies on the constitution of the crude drug piperis longi fructus" Tabuneng et al.
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J Chromatogr Sci  1976 Jun;14(6):296-8 

Constituents of peppers: IV. The hydrocarbons of pepper essential oil.

Debrauwere J, Verzele M.

Twenty-six hydrocarbons were identified in the essential oil of black pepper.
Three of these are sesquiterpenes which have not been reported previously as
occurring in this oil (beta-cubebene, alpha-guaiene and gamma-cadinene). Some
other hydrocarbon constituents mentioned in the literature were absent in our
pepper oil.

PMID: 1270568 [PubMed - indexed for MEDLINE]

http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?db=m&form=6&Dopt=r&uid=1270568
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed
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CO2 pepper extraction
Process for obtaining a pepper extract with insecticidal activity 
US4820517 
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CO2 pepper extraction
gefriertrocknung or CO2
METHOD OF PRODUCING SPICE EXTRACTS WITH A NATURAL COMPOSITION 
GB1336511 , 1973-11-07  
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Study of piperine in Fructus piperis Longi by supercritical fluid extraction.

Li, Xianyi; Yuan, Hailong; Gou, Kuibin; Liu, Zhengliang; Zhang, Chun (No.222 Hospital of 
PLA, Jilin 132011, Peop. Rep. China).  Zhongguo Yiyuan Yaoxue Zazhi, 20(10), 597-599 
(Chinese) 2000 Zhongguo Yiyuan Yaoxue Zazhi Bianjibu.  CODEN: ZYYAEP.  ISSN: 1001-5213.  
DOCUMENT TYPE: Journal CA Section: 11 (Plant Biochemistry)

The supercrit. fluid extn. (SFE) method for extg. piperine from Fructus piperis Longi was 
presented.  The extd. piperine was detd. by HPLC.  SFE conditions were as follows: pressure 
38.5 MPa, temp. 70°, 0.4 mL methanol as a modifier, static extn. 5 min, and dynamic extn. 
vol. 5 mL.  The results showed that SFE was a quick, accurate, and high efficiency extn. 
method.
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http://www.ots.duke.edu/tropibiojnl/claris/44-2/!CICCI~1.HTM

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