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Elizarni Elizarni
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PENENTUAN RESIDU PESTISIDA PROFENOFOS GOLONGAN ORGANOPOSFAT PADA MENTIMUN DAN WORTEL DENGAN METODE GAS KROMATOGRAFI (GC) Elizarni Elizarni; Afriana Afriana; Nanda Lutfhi Insani
JURNAL ILMIAH TEKNOLOGI INDSUTRI (SAINTI) Vol 15, No 2 (2018): VOL 15 NO 2 DESEMBER 2018
Publisher : Politeknik ATI Padang

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Abstract

Horticultural commodities in the form of cucumbers and carrots are vegetables that are susceptible to pests and plant diseases. The use of pesticides is done to overcome the attack and quality of production. The use of pesticides in high doses and continuously will make a negative contribution in the form of contamination and accumulation of pesticide residues in agricultural products, pollution of the agricultural environment, decreased productivity, animal poisoning and poisoning in humans that are anti-health. The blood pesticide residue threshold is the Maximum Residue Limit (BMR) issued by the Minister of Agriculture Regulation Number 27 / Permentan / PP.340 / 5/2009, which is 0.5 mg / Kg. Detection of organoposfat profenofos pesticide residues was carried out to determine the level of food consumption in order to minimize the negative effects. The gas chromatography method is carried out to detect and analyze pesticide residues in cucumbers and carrots. The results showed that the levels of the active ingredient of pesticide organoposphate profenofos in cucumber 0.164 mg / kg and at wotel 0.2055 mg / kg. The content of pesticide residues in cucumbers and carrots based on the results of the study shows that the levels below the Maximum Residue Limit (BMR) have been determined.
IDENTIFIKASI DAN PENENTUAN KADAR SENYAWA KURKUMIN PADA RIMPANG KUNYIT Elizarni Elizarni; Willy Febri Yanti
JURNAL ILMIAH TEKNOLOGI INDSUTRI (SAINTI) Vol 16, No 2 (2019): VOL 16 NO 2 DESEMBER 2019
Publisher : Politeknik ATI Padang

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Turmeric is one type of medicinal plant that has many benefits and is found in many parts of Indonesia. The part that is often used as medicine is the rhizome. Turmeric rhizome is used for anticoagulants, antiedemics, decreased blood pressure, stomach ache and malaria medicine. The main chemical component in turmeric is curcuminoid. Curcuminoid consists of 3 fractions, namely curcumin, demetoksikurkumin, bis-demetoksikurkumin. The main fraction that exists in curcuminoids is curcumin. In this study an assessment and determination of levels of curcumin composition in the turmeric rhizome was carried out. Curcumin compound identification was carried out by TLC method using the chloroform: methanol (95: 5) mobile phase and silica gel stationary phase. The results obtained are 3 spots from standard bottling and samples with Rf values of the sample answer the standard Rf. Meanwhile, to determine the levels of curcumin compounds, the Uv-Vis spectrophotometric method was used. Measuring absorbance at a wavelength of 425.0 nm. And the results obtained levels of 6.71 % were collected. The results obtained are in accordance with the standards set by Pharmacopoeia Indonesia, which is not suitable from 6.60 %.
Co-Authors Afriana Afriana Nanda Lutfhi Insani Willy Febri Yanti