From: Pharmacognostic standardization of Aralia cachemirica: a comparative study
S.No. | Reagents | Visible light | UV 254 nm | UV 366 nm |
---|---|---|---|---|
1 | Powder drug | Light brown | Dark orange | Bluish gray |
2 | Powder drug + distilled water | Moderate brown | Dark orange | Olive green |
3 | Powder drug + 10% aq. sodium hydroxide | Chocolate brown | Light orange | Moderate green |
4 | Powder drug + ammonia | Dark brown | Light orange | Greena |
5 | Powder drug + conc. sulfuric acid | Reddish black | Blackish orange | Black |
6 | Powder drug + sulfuric acid + water | Black | Moderate orange | Olive green |
7 | Powder drug + conc. hydrochloric acid | Chocolate brown | Dark orange | Dark olive green |
8 | Powder drug + hydrochloric acid + water | Moderate brown | Light orange | Moderate olive green |
9 | Powder drug + conc. nitric acid | Moderate orange | Moderate orange | Grayish black |
10 | Powder drug + nitric acid + water | Light orange | Moderate orange | Grayish black |
11 | Powder drug + iodine | Grayish black | Light black | Greenish black |
12 | Powder drug + 5% ferric chloride | Light black | Blackish orange | Black |
13 | Powder drug + picric acid | Dark yellow | Light orange | Greenish black |
14 | Powder drug + picric acid + water | Blackish yellow | Moderate orange | Greenish black |
15 | Powder drug + glacial acetic acid | Moderate brown | Light orange | Bluish gray |
16 | Powder drug + petroleum ether | Moderate brown | Orange | Bluish green |
17 | Powder drug + chloroform | Chocolate brown | Blackish orange | Light olive green |
18 | Powder drug + ethyl acetate | Moderate brown | Blackish orange | Light green |
19 | Powder drug + methanol | Light brown | Light orange | Bluish greena |
20 | Powder drug + 5% potassium dichromate | Yellowish brown | Light orange | Black |
21 | Powder drug + alcoholic potassium hydroxide | Dark brown | Grayish black | Greena |