scholarly journals PEMANFAATAN COFFEE HUSK DENGAN PENAMBAHAN KULIT BUAH DURIAN SEBAGAI COFFEE HUSK LEATHER

2021 ◽  
Vol 20 (2) ◽  
pp. 165-168
Author(s):  
Evan Keizha ◽  
◽  
Sutarjo Surjoseputro ◽  
Erni Setijawaty ◽  
◽  
...  
Keyword(s):  

Kopi merupakan salah satu komoditi yang tingkat produksinya di Indonesia sangat tinggi, sehingga menempatkan Indonesia sebagai produsen kopi terbesar nomor empat di dunia. Produksi kopi yang tinggi akan menyebabkan limbah hasil samping pengolahan kopi juga meningkat. Salah satu limbah yang dihasilkan adalah coffee husk. Pemanfaatan Coffee husk dalam bidang pangan masih sangat terbatas sehingga memberikan peluang untuk dimanfaatkan menjadi produk fruit leather. Fruit leather merupakan salah satu jenis produk olahan pangan yang berasal dari bubur daging buah yang dikeringkan hingga kadar air berkisar 10-15%. Leather dengan bahan 100% coffee husk tidak dapat membentuk tekstur yang kenyal karena pembentukan gel yang tidak kokoh akibat kandungan pektin pada coffee husk yang hanya sebesar 1.6% sehingga untuk memperbaiki tekstur leather tersebut ditambahkan pektin dari bubur kulit buah durian. Kulit buah durian memiliki kandungan pektin sebesar 9.16%. Rancangan penelitian yang digunakan adalah Rancangan Acak Kelompok (RAK) Non Faktorial yang terdiri dari satu faktor yaitu penambahan bubur kulit buah durian dengan konsentrasi (10%, 20%, 30%, 40%, 50%, dan 60%) dan diulang sebanyak 4 (empat) kali. Parameter yang diuji meliputi sifat fisikokimia (kadar air, tekstur, pH, dan warna) dan sifat organoleptik (kesukaan terhadap tekstur, warna, dan rasa). Perbedaan konsentrasi penambahan bubur kulit buah durian yang semakin banyak menghasilkan peningkatan pH (3,39 – 3,49), peningkatan kadar air (9,08 – 13,45), penurunan aktivitas air (0,60 – 0,56), peningkatan nilai gumminess (31,13 – 736,61). Rentang nilai lightness (25,88 – 31,59), chroma (2,40 – 8,98), dan hue (179,89° - 12,95°). Perlakuan terbaik dipilih berdasarkan uji organoleptik dengan metode spider web adalah konsentrasi penambahan kulit buah durian sebesar 40%.

Author(s):  
Xue-Feng Zhao ◽  
Xiao-Hong Wen ◽  
Peng Sun ◽  
Cheng Zeng ◽  
Meng-Yang Liu ◽  
...  

Fuel ◽  
2020 ◽  
Vol 261 ◽  
pp. 116420 ◽  
Author(s):  
C. Setter ◽  
F.T.M. Silva ◽  
M.R. Assis ◽  
C.H. Ataíde ◽  
P.F. Trugilho ◽  
...  
Keyword(s):  

2014 ◽  
pp. 1-1 ◽  
Author(s):  
Jun-Wei Hsieh ◽  
Chi-Hung Chuang ◽  
Salah Alghyaline ◽  
Hui-Fen Chiang ◽  
Chao-Hong Chiang

2021 ◽  
pp. 100137
Author(s):  
Yanan Wang ◽  
Guangyu Jiang ◽  
Zijian Yu ◽  
Qingke Wang ◽  
Xiaoman Jiang

Molecules ◽  
2020 ◽  
Vol 26 (1) ◽  
pp. 46
Author(s):  
Mariana de Oliveira Silva ◽  
John Nonvignon Bossis Honfoga ◽  
Lorena Lucena de Medeiros ◽  
Marta Suely Madruga ◽  
Taliana Kênia Alencar Bezerra

Coffee husks (Coffea arabica L.) are characterized by exhibiting secondary metabolites such as phenolic compounds, which can be used as raw material for obtaining bioactive compounds of interest in food. The objective of this study is to evaluate different methods for obtaining the raw material and extracting solutions of bioactive compounds from coffee husks. Water bath and ultrasound-assisted extraction methods were used, using water (100%) or ethanol (100%) or a mixture of both (1:1) as extracting solutions and the form of the raw material was in natura and dehydrated. The extracts were evaluated by their antioxidant potential using DPPH radicals, ABTS, and iron reduction (ferric reducing antioxidant power (FRAP)), and later total phenolic compounds, total flavonoids, and condensed tannins were quantified the phenolic majority compounds were identified. It was verified that the mixture of water and ethanol (1:1) showed better extraction capacity of the compounds with antioxidant activity and that both conventional (water bath) or unconventional (ultrasound) methods showed satisfactory results. Finally, a satisfactory amount of bioactive compounds was observed in evaluating the chemical composition (total phenolic compounds, total flavonoids, condensed tannins, as well as the analysis of the phenolic profile) of these extracts. Corroborating with the results of the antioxidant activities, the best extracting solution was generally the water and ethanol mixture (1:1) using a dehydrated husk and water bath as the best method, presenting higher levels of the bioactive compounds in question, with an emphasis on chlorogenic acid. Thus, it can be concluded that the use of coffee husk as raw material to obtain extracts of bioactive compounds is promising. Last, the conventional method (water bath) and the water and ethanol mixture (1:1) stood out among the methods and extracting solutions used for the dehydrated coffee husk.


2021 ◽  
pp. 2004377
Author(s):  
Ouyang Yue ◽  
Xuechuan Wang ◽  
Xinhua Liu ◽  
Mengdi Hou ◽  
Manhui Zheng ◽  
...  

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