ANALISIS ZAT PEWARNA RHODAMIN B PADA KERUPUK YANG BEREDAR DI KOTA MANADO

Authors

  • Sherly Dawile
  • Fatimawali Fatimawali
  • Frenly Wehantouw

DOI:

https://doi.org/10.35799/pha.2.2013.2386

Abstract

ABSTRACT
Rhodamine B dye in the form of a crystalline powder green or reddish purple, odorless, and
dissolves easily in bright red solution berfluoresan as textile dyes. Rhodamine B is still no
food products were found to contain rhodamine B dye such as crackers, sauces, ice and other
pastries. The purpose of this study is to investigate and determine the levels of rhodamine B
on crackers circulating in the city of Manado. Sampling sites crackers are 4 market in the city
of Manado is Tuminting Market, Market Paal 2, Market Market Bersehati 45 and 45.
Samples with ammonia to soak interesting rhodamine B dye using wool yarn, followed by
identification using thin layer chromatography (TLC) and then in detection with UV light 254
nm and 366 nm. The reading levels of rhodamine B using UV-Vis spectrophotometry. The
results showed that of the ten samples tested with three times obtained one positive sample
containing rhodamine B with an average concentration value of rhodamine B in a sample of
45 markets in the sword of 0.28 mg/ml. Based on these results, some crackers circulating in
Manado City Market unsafe consumed.
Keywords: Rhodamine B, Crackers, spectrophotometry and Thin Layer Chromatography

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Published

2013-08-01

How to Cite

Dawile, S., Fatimawali, F., & Wehantouw, F. (2013). ANALISIS ZAT PEWARNA RHODAMIN B PADA KERUPUK YANG BEREDAR DI KOTA MANADO. PHARMACON, 2(3). https://doi.org/10.35799/pha.2.2013.2386

Issue

Vol. 2 No. 3 (2013): pharmacon

Section

Articles

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