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All Journal Warta IHP (Warta Industri Hasil Pertanian)
N.K, Noerdin
Balai Besar Industri Agro
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

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(Technical Testing of Rotary Dryer for Cats Whiskers Leaf (Orthosiphon stamineus benth)Leaf Guring Pohan, H; Djubaedah, Endah; N.K, Noerdin
Warta Industri Hasil Pertanian Vol 16, No 1-2 (1999)
Publisher : Balai Besar Industri Agro

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Abstract

Technical testing of rotary dryer was conducted to dry Cats whiskers leaf (Orthorsiphon stamineus benth) the aim of the technical testing is to evaluate of performance the rotary dryer for drying cats whiskers leaf. the drying temperature suitable for cats whiskers leaf was 50-60 C. the result showed that the dryer reduce moisture from 72.47 % to 9.95% with drying rate 22.5% per-hours. The capacity of dryer is 2000 grams a batch and the heat efficiency was 14.05%.
(The Effect of Weathering and Rolling on Drying of Cats Whiskers (Otrhosiphon stamineus benth) Leaf Guring Pohan, H; Djubaedah, Endah; N.K, Noerdin
Warta Industri Hasil Pertanian Vol 16, No 1-2 (1999)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5045.278 KB)

Abstract

A study on the drying of cats whiskers leaf (Orthosiphon staminues benth has been carried out. the treatment of this study were A) fresh leaf weathered, rolled and then dried. the analysis of dried cats whiskers leaf include: yield, color, moinsture, ash, potassium, extract and sinensetin content. the result of dried leaf analysis showed the yield 18.09%, ash 12.09%, extract content 21.43% and senensetin 1.47% at the treatment of D (fresh leaf weathered, rolled and the dried) compared with another treatment and the color is slightly brown. the lowes the moinsture was 8.66% at the treatment of A (fresh leaf were dried directly).
Co-Authors Djubaedah, Endah Guring Pohan, H