Mun?im, Abdul
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OPTIMASI EKSTRAKSI AMPAS TEH HIJAU (Camellia sinensis) MENGGUNAKAN METODE MICROWAVE ASSISTED EXTRACTION UNTUK MENGHASILKAN EKSTRAK TEH HIJAU Handayani, Dwi; Mun?im, Abdul; S. Ranti, Anna
Majalah Obat Tradisional Vol 19, No 1 (2014)
Publisher : Faculty of Pharmacy, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1040.214 KB) | DOI: 10.22146/tradmedj.8088

Abstract

Indonesia memiliki kekayaan keanekaragaman hayati yang besar, namun sayangnya potensi sumber daya alam yang tersedia masih sedikit yang diteliti dan digunakan dalam pengobatan. Salah satu tanaman yang banyak dibudidayakan di Indonesia adalah teh.  Ampas teh adalah limbah dari industri teh, tersedia cukup banyak dan belum dimanfaatkan secara optimal.  Penelitian ini bertujuan untuk mendapatkan kondisi ekstraksi ampas teh hijau menggunakan  metode MAE (Microwave Assisted Extraction) yang paling efektif sehingga dihasilkan ekstrak teh hijau yang mempunyai antioksidan optimum.  Dari hasil penelitian, kondisi optimum MAE adalah daya 450 W, pelarut etanol 60%, perbandingan simplisia ? pelarut  1 : 8 dan lama ekstraksi 8 menit untuk menghasilkan ekstrak dengan kadar polifenol optimum. Ekstrak yang diperoleh mempunyai kadar air 7,83 %; pH 5,5; dan polifenol total, flavonoid total, asam galat, katekin, EGCG serta kofein berturut-turut sebesar 7,1%; 1,04%; 2,76%; 0,83%; 5,18% dan 1,03%. Dibandingkan dengan acuan yang ada, ekstrak yang diperoleh memenuhi syarat sebagai bahan baku kosmetik.  
Problematika Fatwa Ulama Dalam Murabahah Perbankan Syariah Mun?im, Abdul
MADINAH Vol 5 No 1 (2018): Madinah: Jurnal Studi Islam
Publisher : INSTITUT AGAMA ISLAM TARBIYATUT THOLABAH LAMONGAN, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (156.7 KB)

Abstract

Murabahah is one of the sale and purchase contracts, so all laws relating to the sale and purchase must be carried out, including the law that the goods sold are the property of the seller when the contract occurs. The accusation said that murabahah included buying and selling gharar, where if a buyer knew of gharar, he would not propose the purchase. General provisions in murabah} ah are prohibitions on cheating in murabahah, buying and selling murabahah is very necessary in explanations, may (tafriq al-safqah) divide the contract in murabahah, there may be requirements in murabahah. The murabahah contract that is in the bank after being examined contains 4 elements of the contract: First the contract is a binding contract between the bank and the buyer. Both contracts of sale and purchase between traders (suppliers) and banks. The three murabahah contracts between banks and customers are mostly made in installments, which results in increased prices and are called credit buying and selling (Taqsit). These four contracts contain a combination of various types of contracts in one contract.