Trigonometri : Journal Matematika dan Ilmu Pengetahuan Alam

Articles

Vol. 8 No. 1 (2025): Trigonometri : Journal Matematika dan Ilmu Pengetahuan Alam, ISSN 3030-8496

PENGUJIAN CEMARAN LOGAM BERAT PADA SAMPEL CABAI MERAH (CAPSICUM ANNUM L.) DARI KOTA SOLOK, KABUPATEN SIJUNJUNG, KOTA SAWAHLUNTO, DAN KABUPATEN SOLOK DENGAN METODE AOAC DI DINAS PANGAN PROVINSI SUMATERA BARAT

Submitted
December 28, 2025
Published
2025-12-28

Abstract

Red chili (Capsicum annuum L.) is a horticultural commodity widely consumed by the Indonesian population; therefore, its food safety requires careful attention. One of the main threats to the quality of red chili is contamination by heavy metals such as lead (Pb) and cadmium (Cd), which are toxic and pose health risks. This study aimed to analyze the Pb and Cd contents in red chili originating from Solok City, Sijunjung Regency, Sawahlunto City, and Solok Regency using the AOAC method. The research was conducted from June to July 2025 at the Food Security Laboratory of the West Sumatra Provincial Food Service. Samples were digested using a microwave digestion system and quantitatively analyzed using Graphite Furnace Atomic Absorption Spectroscopy (GFA-AAS). The results showed variations in Pb and Cd levels among regions, with most samples detected above the maximum contamination limits established by food safety standards. The AOAC. method proved to be effective and reliable in detecting heavy metal contamination in red chili, indicating the need for routine monitoring and the implementation of environmentally friendly agricultural practices to ensure food safety.

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