KADAR UNSUR TIMBAL PADA TANAMAN KANGKUNG DI TIGA PASAR TRADISIONAL KECAMATAN CILANDAK, JAKARTA SELATAN
ABSTRACT: Water spinach
(Ipomoea sp.) is a plant that is commonly consumed by the public. Shifting
cultivation, distribution and sales that are not protected make vegetables
easily contaminated by pollutants in the environment, one of the lead element.
This study was conducted to determine the element content of Pb in water
spinach sold in three traditional markets Cilandak subdistrict, South Jakarta.
This study was conducted from February-March 2014 by using Atomic Absorption
Spectrophotometer instrument (AAS) method flame. Analysis of the data using
Analysis of Variance (ANOVA) with a confidence level of 95 %. If there are any
differences, then followed by Duncan's Multiple Range Test. The Maximum
Tolerable Intake (MTI) test to determine the maximal consumption of watercress
with a particular assay with an approximate weight of 60 kg. Based on this
research, the element content of lead in water spinach in three traditional
markets District of Cilandak ranged from 1.22 to 22.06 mg/kg. No significant
effect on the three traditional markets District of Cilandak location. Organ
roots have high levels of lead element compared to levels in the leaves and
stems. The entire test sample had levels of lead element above SNI 7387:2009
maximum threshold of 0.5 mg/kg so They are not safe for consumption. Average
maximum weight of kale on the three traditional markets in Sub Cilandak that
may be consumed per week in the organs of leaves and stems ranged from 0.1492
to 0.6032 kg.
Penulis: Mirjani Adila,
Thamzil Laz, Etyn Yunita
Kode Jurnal: jpbiologidd141024