Study of exploit and using of the walnut epicarp（Ⅱ）
compare of the stability and extraction quotiety of the Hydroextracting the Dark Brown Pigment from Walnut epicarp of dry in the sun and by the airing and retting

Lu Junfang，Gao Guizhi ，Lu Qirui ， Chen Xiaoli

doi:10.11924/j.issn.1000-6850.040469

2004 , Vol. 20 >Issue 4: 69 - 69

DOI: https://doi.org/10.11924/j.issn.1000-6850.040469

Study of exploit and using of the walnut epicarp（Ⅱ） compare of the stability and extraction quotiety of the Hydroextracting the Dark Brown Pigment from Walnut epicarp of dry in the sun and by the airing and retting

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Online published: 2004-08-04

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Abstract

stabilitytesting and compare of the Hydroextracting the Dark Brown Pigment from Walnutepicarpofdry in the sun and by the airing and retting ． Theresultshowedthatthepigmentproperty sameness ,fo example ,canbebettersolvedbyH2O，reduceisstronger，activityisbetter，salt ,C12H22O11 , lemon acidandmetalironhavelittleeffect ．Ourexperimentsshowedthatthemethedhasmanyadvatages，Suchashighextractionefficiency ，simplyprocess， lesspollution ，andthecostissmolletc ．but extraction quotiety ofthe Dark Brown Pigment differfrom Walnutepicarpof the three made of dryness ．

Key words： hudroextract ；thedarkbrownpigmentin;walnutpicarp ；stability

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Lu Junfang，Gao Guizhi ，Lu Qirui ， Chen Xiaoli . Study of exploit and using of the walnut epicarp（Ⅱ） compare of the stability and extraction quotiety of the Hydroextracting the Dark Brown Pigment from Walnut epicarp of dry in the sun and by the airing and retting[J]. Chinese Agricultural Science Bulletin, 2004 , 20(4) : 69 -69 . DOI: 10.11924/j.issn.1000-6850.040469

References

1 Jirovetz, Leopold, Buchbauer, G.; Remberg, G.;Winker, N.; Nikiforov, A. Analysis of thecharacteristieodorofwalnut（juglans regia）peels. (Inst.Pharm. Chem., Univ. Wien, A - 1090 Vienna,Austria).Ernaehrung(Vienna). 1996 , 20(5), 286-287(Eng)
2 吕俊芳，刘启瑞，张美丽，等．核桃外果皮中棕褐色色素的提取及性质测试．化学研究与应用．2001，13（4）：387～390

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