Fitri Electrika D. Surawan
Dept. of Agric. Technology, Fac. of Agriculture, Univ. of Bengkulu

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PHYSICAL PROPERTIES OF WET NOODLE BASED ON POTATO AND TAPIOCA COMPOSITE FLOUR Zulman Efendi; Fitri Electrika D. Surawan; Yosy Sulastri
Jurnal Agroindustri Vol 6, No 2 (2016)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.6.2.57-64

Abstract

Wet noodle properties prepared from tapioca flour : potato flour proportion i.e. 70:30; 60:40; 50:50; 40:60; and 30:70 were studied by Complete Randomized Design. The potato flour proportion effect were significantly contributing to physical properties of strain and waterabsorption index, moisture content, and L, a, b value.The wet noodle prepared from tapioca : potato flour = 70:30; 60:40; 50:50 have no significant different on strain (?L/L) and , water absorption index, moisture content and L, a, b value.The wet noodle prepared fromtapioca :potato flour = 40:60 and 30:70 hadlower strain (?L/L) index thus giving the highest waterabsorptionand moisture content. But its noodle has lower brightness level. The result revealed the possibility of composite flour from potato and tapioca 50:50 could be produce wet noodle for functional food. Its physical properties i.e. strain and water absorption index, moisture content, and L, a, b value were 0.5, 0.37, 47.35, and 65.6, -1.0, 25.6, respectively.
PHYSICAL QUALITY ANALYSIS OF ‘ROTI MANIS’ AT BAROKAH BAKERY IN LAHAT Ineke Kesuma Ningsih; Fitri Electrika D. Surawan; Zulman Efendi
Jurnal Agroindustri Vol 5, No 1 (2015)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.5.1.20-35

Abstract

The purpose of this research was to determine the percentage of each type of ‘roti manis’ physical damage, to identify factors causing the damages, and to determine whether the percentage amount of damage was whithin the business control limit. Types of damage observed were broken, too small in size, in appropriate form, over heated or burned.  Observation was conducted during 16 working days (one month) at Barokah Bakery in Lahat.  Result of the research showed that the broken damage was 1,31%; the too small in size was 1,1%; the unacceptable form was 0,98%; and no damage of over heat. Based on the causal effect analysis, it was found that the main factor causing ‘roti manis’s damages was caused by process inadequately. Result of diagram control analysis showed that the overall average damage was 3,4% with the upper limit was 5,2% and the lower limit was 1,6%. The percentage of the damage was considered high but it was within the company control limit of 2-4%
EFFECT OF BLANCHING AND DRYING METHODS ON PHYSICOCHEMICAL PROPERTIES OF ORANGE SWEET POTATO FLOUR (Ipomoea batatas L.) Zulman Efendi; Fitri Electrika D. Surawan; Winarto Winarto
Jurnal Agroindustri Vol 5, No 2 (2015)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.5.2.109-117

Abstract

Orange sweet potato is one of many tubers as raw materials for food processing diversify. However, problems in flour processing such as color change, degradation of the material, especially in the use of 100oC for a long time blanching. This study aims to find the physicochemical properties of orange sweet potato flour. The study was conducted with a CRD by factorial.  The first factor were without blanching, blanching 60°C, and 80°C, while the second factor were sun and oven drying. The results showed that value of yield from 28.69% up to 21.23%, but bulk density from 0.55 up to 0.70, water absorption index from 0.20 up to 0.64 (w/w), significantly. Meanwhile, water content and water solubility index in the range 4.99-7.40% and 0.022-0.064 (w/v), not significantly. L value has decreased until 65.87 while the value of a and b have increased with increasing of blanching temperature and drying oven method, significantly.  a+ and b+ value were in the range of 9.47 to 11.13 and from 21.60 to 28.67. Effect of blanching 80oC and drying oven method have proved to be better production of orange sweet potato flour