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Journal : Agrotekno

KINETIKA ENZIM PEKTIN METIL ESTERASE (PME) ENDOGENOUS DARI PULP BIJI KAKAO Ganda Putra, G.P.
Agrotekno Vol. 15, No. 1 Februari 2009
Publisher : Universitas Udayana

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Abstract

This research was conducted to determine theenzymatic kinetics (Km and Vmax) of isolate of endogenouspectin methylesterase enzyme (PMEs) from cocoa pulp. Thisresearch was carried out by assaying the enzyme activity invarious pectin concentration used as substrate which its valuewas between 0.25 and 2.00% at 0.25% interval. The resultsshowed that the enzymatic kinetics of endogenous PMEsisolate from cocoa pulp in term of Km and Vmax were 15.75 ?gNaOH/minute/ml and 0.21%.
PENENTUAN KONDISI OPTIMUM AKTIVITAS ENZIM POLIGATAKTURONASE (PG) ENDOJINUS PULP BIJI KAKAO MENGGUNAKAN METODE PERMUKAAN RESPON Ganda Putra, G.P.
Agrotekno Vol. 14, No.2 Agustus 2008
Publisher : Universitas Udayana

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Abstract

This research was conducted to determination the optimum activity of endogenous PG enzyme in cocoa pulp using response surface methodology. The results of this research had benn used as reference to develop the condition of fermentation mechanism in cocoa processing. This research was carried out by assaying the enzyme activity for 60 minutes on varying of temperature and pH. The treatment of temperature were 30, 40, 50 and 600C and pH were 3,5; 4,0; 4,5; 5,0; 5,5 respectively. Determination the optimum activity of endogenous PG enzyme in cocoa pulp using response surface methodology. The result showed that optimum condition of activity of endogenous PG enzyme was the combination of temperature 42,50C and pH 4,6 with regression model of response surface curve: Y= 750+2.27 X1 – 0,0434 X12 + 0,000260 X13 – 721 X2 + 245 X22 – 36,5 X23 + 2,01 X24, with R2= 0,929.
Co-Authors A. Harijono Anak Agung Made Dewi Anggreni Anak Agung Putu Agung Suryawan Wiranatha Anak Agung Sagung Inten Mahasari Putri Anak Agung Sagung Mirah Mahadewi Anggreni, Ni Made Dian Antonius Solo Aulanni'am, Aulanni'am Bambang Kartika DEWA AYU ANOM YUARINI Diana Puspitaningtyas Dimas Anggi Ananta Enjelitha Girsang Esra Palenta Sinaga Gede Agus Ariefta Gek Ulan Sukma Gusti Ayu Kadek Diah Puspawati Gusti Putu Agus Darmataba I Dewa Putu Rega Elyana I Gede Krisna Putra Pratama I Gede Oka Harta Adinata I Gede Rusli Supariatna I Gst. Ayu Ananda Dama Sastri I Gusti Ayu Agung Putri Utami I Gusti Ayu Ekawati I Gusti Ayu Krisna Dewi I Gusti Ayu Lani Triani I Gusti Ayu Meia Dewi I Kadek Aditya Wirajaya I Kadek Widhiana Putra I Ketut Dio Prasetya I Made Anom Sutrisna Wijaya I Made Kartana I Made Mas Oka Hendrawan I Nengah Kencana Putra I Putu Lingsan Pratyaksa I Putu Suparthana I Wayan Adi Wagestu I Wayan Arnata I Wayan Eko Fridayana I Wayan Ferry Artha Yoga I Wayan Gde Angga Prasetya I.W.G.S. Yoga Ida Bagus Gede Awidyanata Ida Bagus Wayan Gunam Kadek Mei Ahadianti Komang Aris Bintang Permana Lianatus Sholeha Livia Pratiwi Luh Putu Ayu Sumantining Luh Putu Trisna Darmayanti Luh Putu Wrasiati Lutfi Suhendra Misbach Baihaqi Zen Ni Kadek Wiji Astuti Ni Kadek Yeni Dwipayanti Ni Made Mega Suasti Rahayu Ni Made Ria Oka Ni Made Wartini Ni Nyoman Desi Trisna Dewi Ni Putu Suwariani Ni Wayan Sukmayanti Ni Wayan Titin Kartika Sari NiMade Wartini Novi Dwiningrum NYOMAN SEMADI ANTARA Praycelia Marissa Miranda Putu Agung Sujud Rama Krishna Putu Agus Nadiarta Putu Ayu Sucitawati Putu Mutia Septiyaningsih Putu Timur Ina Putu Widya Sena Repika Sepitri Br Barus Reren Rahmadhani Sadyasmara, Cokorda Anom Bayu Sri Kumalaningsih Sri Mulyani Sutardi Sutardi Tia Larasati Tri Susanto W. Angga Pranayasa Yudisthira Dharma Bhusana Dasa