Lipids from an organic sample are extracted separately using acetone (A), hexane (H), and ethanol (E). Based on the results obtained from the different tests done on the extracts below, which of the following shows the correct lipid identities found on each extract?

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter19: Carboxylic Anhydrides, Esters, And Amides
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Problem 19.6P
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Lipids from an organic sample are extracted separately using acetone (A), hexane (H), and ethanol (E). Based on the results
obtained from the different tests done on the extracts below, which of the following shows the correct lipid identities found on
each extract?
Tests
Hexane
Ethanol
Acetone
extract
extract
extract
1. KHSO4
+
2. A] KNO3: Na2CO3
+
+
B] HNO3, (NH4) 3M0O4
+
3. CHCl3, acetic anhydride,
conc. H₂SO4
4. BIONO3, KI
+
+
5. a-naphthol, conc. H₂SO4
6. ninhydrin reagent
+
+
A: cholesteryl ester; H: phosphatidylethanolamine; E: sphingomyelin
A: cholesteryl ester; H: phosphatidylethanolamine; E: sphingomyelin
A: cholesterol; H: phophatidylcholine; E: sphingomyelin
A: cholesterol; H: phophatidylcholine; E: cerebroside
Transcribed Image Text:Lipids from an organic sample are extracted separately using acetone (A), hexane (H), and ethanol (E). Based on the results obtained from the different tests done on the extracts below, which of the following shows the correct lipid identities found on each extract? Tests Hexane Ethanol Acetone extract extract extract 1. KHSO4 + 2. A] KNO3: Na2CO3 + + B] HNO3, (NH4) 3M0O4 + 3. CHCl3, acetic anhydride, conc. H₂SO4 4. BIONO3, KI + + 5. a-naphthol, conc. H₂SO4 6. ninhydrin reagent + + A: cholesteryl ester; H: phosphatidylethanolamine; E: sphingomyelin A: cholesteryl ester; H: phosphatidylethanolamine; E: sphingomyelin A: cholesterol; H: phophatidylcholine; E: sphingomyelin A: cholesterol; H: phophatidylcholine; E: cerebroside
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