ABSTRACTCoffee is a type of plantation plant that has been cultivated for a long time and has a fairly high economic value. This study aims to determine the effect of soaking time on caffeine levels in Robusta and Arabica coffee beans using the maceration method. The coffee beans were ground, then the powder was sieved and extracted using 70% alcohol using the 3, 5 and 7 day maceration immersion method. The extract obtained was extracted with chloroform and determined using UV-Vis Spectrophotometry. The results showed that the caffeine content of Robusta coffee for 3, 5 and 7 days was 4.82±0.04; 5.59±0.04 and 6.55±0.06. Arabica type caffeine content obtained 3.83±0.02; 5.04±0.02; and 6.45±0.03. It was concluded that there were differe...
Komoditas kopi merupakan komoditas yang banyak digemari dengan Coffea arabica dan Coffea canephora s...
Arabica coffee is coffee that has a special taste that is more complex than the Robusta, Ekselsa, or...
Coffee is one of the popular drinks, consumed by many people in the world. Coffee contains caffeine ...
ABSTRACTCoffee is a type of plantation plant that has been cultivated for a long time and has a fair...
Levels of Arabica (Coffea Arabica L.) Coffee Materials in Producing Caffein Coffee is a plantation c...
The research about analysis of caffeine content on coffee Robusta (Toraja) and coffee Arabika (Jawa)...
This study was conducted to determine the effect of temperature and time on the acquisition of caffe...
This study was conducted to determine the effect of temperature and time on the acquisition of caffe...
Abstrak. Pengeringan merupakan faktor penting dari pengolahan kopi, tanpa pengeringan yang tepat bai...
Kopi rempah merupakan produk minuman berupa campuran bubuk kopi dan bubuk rempah, salah satunya bubu...
Coffee is a kind of beverage, usually served hot. This drink is prepared from roasted coffee beans. ...
Coffee is one of the most popular drinks consumed by all people. Arabica coffee has a distinctive an...
A study recently conducted with the title Analysis of caffeine content in arabica coffee (Coffea ara...
ANALISIS KANDUNGAN KAFEIN PADA EKSTRAK BUAH KOPI MENTAH DARI PERKEBUNAN MERAPI DAERAH ISTIMEWA YOGYA...
This study aims to analyze the quality of Robusta coffee types in Banyuwangi - East Java. The parame...
Komoditas kopi merupakan komoditas yang banyak digemari dengan Coffea arabica dan Coffea canephora s...
Arabica coffee is coffee that has a special taste that is more complex than the Robusta, Ekselsa, or...
Coffee is one of the popular drinks, consumed by many people in the world. Coffee contains caffeine ...
ABSTRACTCoffee is a type of plantation plant that has been cultivated for a long time and has a fair...
Levels of Arabica (Coffea Arabica L.) Coffee Materials in Producing Caffein Coffee is a plantation c...
The research about analysis of caffeine content on coffee Robusta (Toraja) and coffee Arabika (Jawa)...
This study was conducted to determine the effect of temperature and time on the acquisition of caffe...
This study was conducted to determine the effect of temperature and time on the acquisition of caffe...
Abstrak. Pengeringan merupakan faktor penting dari pengolahan kopi, tanpa pengeringan yang tepat bai...
Kopi rempah merupakan produk minuman berupa campuran bubuk kopi dan bubuk rempah, salah satunya bubu...
Coffee is a kind of beverage, usually served hot. This drink is prepared from roasted coffee beans. ...
Coffee is one of the most popular drinks consumed by all people. Arabica coffee has a distinctive an...
A study recently conducted with the title Analysis of caffeine content in arabica coffee (Coffea ara...
ANALISIS KANDUNGAN KAFEIN PADA EKSTRAK BUAH KOPI MENTAH DARI PERKEBUNAN MERAPI DAERAH ISTIMEWA YOGYA...
This study aims to analyze the quality of Robusta coffee types in Banyuwangi - East Java. The parame...
Komoditas kopi merupakan komoditas yang banyak digemari dengan Coffea arabica dan Coffea canephora s...
Arabica coffee is coffee that has a special taste that is more complex than the Robusta, Ekselsa, or...
Coffee is one of the popular drinks, consumed by many people in the world. Coffee contains caffeine ...