I. Data A. Solubility in water Sample alanine glutamic acid arginine albumin B. Color Reactions of Amino Acids 1. Ninhydrin Test Color of Ninhydrin solution: Sample alanine glycine glutamic acid tyrosine albumin Experiment No. 2 AMINO ACIDS AND PROTEINS Solubility (Soluble, Partially Soluble, Insoluble) Color original solution Color with red litmus paper Color with blue litmus paper Color with Ninhydrin Is the solution acidic, basic, or neutral? Color after 10 min.

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Experiment

AMINO ACIDS AND PROTEINS

I. Data
A. Solubility in water
Sample
alanine
glutamic acid
arginine
albumin
B. Color Reactions of Amino Acids
1. Ninhydrin Test
Color of Ninhydrin solution:
Sample
alanine
glycine
glutamic acid
tyrosine
albumin
Experiment No. 2
AMINO ACIDS AND PROTEINS
Solubility (Soluble,
Partially Soluble,
Insoluble)
Color original
solution
Color with
red litmus
paper
Color with
blue litmus
paper
Color with Ninhydrin
Is the solution acidic,
basic, or neutral?
Color after 10 min.
Transcribed Image Text:I. Data A. Solubility in water Sample alanine glutamic acid arginine albumin B. Color Reactions of Amino Acids 1. Ninhydrin Test Color of Ninhydrin solution: Sample alanine glycine glutamic acid tyrosine albumin Experiment No. 2 AMINO ACIDS AND PROTEINS Solubility (Soluble, Partially Soluble, Insoluble) Color original solution Color with red litmus paper Color with blue litmus paper Color with Ninhydrin Is the solution acidic, basic, or neutral? Color after 10 min.
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