PENURUNAN KANDUNGAN LOGAM BERAT PADA DAGING SAPI SETELAH DIREBUS DENGAN PENAMBAHAN DAUN KUMIS KUCING

Abstract

Peneritian ini bertoruan untuk mengetahui pengaruh panambahen daun kumis kucing (Orthasiphon sp.) pada perebusan terhadap penurunan kandungan logam beret. Materi yang digunakan adaleh daging bagian biceps lemons (BF) clan bngissimus dorsi (LD) dad duo for soar PO jantan yang dipelihara di TPA Jatibarang, Kota Semarang. Penelitian ini rnenggunakan metode kausal-komparati! Analisis logam berat pada daging. balk yang segar ataupun yang direbus dengan penambahan daun kumis kucing 0%, 5% dan 10%, menggunakan Neutron Activation Analysts (NM). Pb dianalisis dengan Atomic Absorption Spectrophotometer (AAS). Samuel sager daging BF den LD pada kedua sapi Menganeung Cr, Cd. Co. Fe, Zn dan Pb. Arsen tidak terdapat pada BF sapi 1. dan LD sapi I maupun 2. Sebagian besar logam beret masih diambang bates yang ditinken (MRL), kecuali As, Co dan Pb. Penggunaan daun kumis kucing dalam perebusan mampu manurunkan kandungan logam beret pada daging BF dan LD pada kisaran 8,1% 90.9%, Beberapa lords logam temt tidak terdeteksi, anlara lain As pada seluruh perlakuark Cd hampir seluruh perlekuan. kecuall BF sapi 2 (0% KK) dan LO sapi 2 (5% KK don 10% KK); Cr pada LD (10% KK). Co pada LD ( pada 5% KK dan 10% KK); Pb pada LD sapi 1 (10% KK) dan LD sapi 2 pada seluruh perlakuan. Setelan perebusan dengan daun kumis kucing. sebagan besar logam lurub sampai di bawah ambang betas, kecuali Fe. Berdasarkan penelitian ini dapat disimpulkan bahwa penembehan daun kumis kucing dalam perebusan daging mampu menurunkan kandungan logam berat pada daging baglan BF dan LD sampai dl bawah ambang betas. Semakin linggi percentage claim Palm's kucing dalam perebusan. semakln lajam penurunan kandungan logam beret pada daging. Kate Kuser logam berm. sapi. biceps femora.. langissimus durve drum kumis kucing ABSTRACT This study was aimed to Investigate the effect of Orthosiphca sp. ('kumis kucing', Indonesian) teal supplemetation during boiling process on heavy metal content In beef. Bicepi femoris (BF) den longIssimus dorsi (LD) of 2 Grade Ongole bulls that nod been raised at Jabbarang Garbage Dumping Area, Semarang City, since their birth. were used. This study used causal-comparative method. The analysis of heavy metal content in both fresh and boiled meat with Orlhosiphon leaf of 0%, 5% and 10%, were conducted by NAA. Lead (Pb) was analyzed by MS. Fresh BF and LO temples of bull 1 and bull 2 contained Cr. Cd, Co, Fe. Zn and Pb. Arsen was not detected in OF of bull 1, and LD of bull 1 and 2. Mast of heavy metals were detected to be above Maximum Residue Limit (MRL). except As. Co and Pb. The use of Prtholiphon lea/ during boiling process was effective In reducing heavy metal content in OF and LD by 8.1% - 90,9%. Some metals were not detected, Le_ As In all treatments; Cd in almost all treatment, except In BF In bull 2 treated by 0% KK and LD of bull 2 treated by 5% and 10% KK; Cr In LD treated by 10% KK; Co In LO heated by 5% KK and 10% KK): Pb In LD of bull 1 treated by 10% KK and LD of bull 2 In all treatments. After boiling with orthosiphon leaf, the content of most of heavy metals decreased under MRL, except Fe. It was concluded that Orthosipbon leaf supplementation reduced heavy metal content in BF den LID. The higher the percentage of Orthosephon tear supplemented, the lower the heavy metal content in beef meat. Key words' beer, heavy metal. biceps lemons, longIssImus dorsi, Orlhosiphon leaf.