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

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(The Effect of Weathering and Rolling on Drying of Cat's Whiskers (Otrhosiphon stamineus benth) Leaf H Guring Pohan; Endah Djubaedah; Noerdin N.K
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) | DOI: 10.32765/warta ihp.v16i1-2.2468

Abstract

A study on the drying of cat's 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 cat's 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).
(Technical Testing of Rotary Dryer for Cat's Whiskers Leaf (Orthosiphon stamineus benth)Leaf H Guring Pohan; Endah Djubaedah; Noerdin N.K
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 (4110.544 KB) | DOI: 10.32765/warta ihp.v16i1-2.2465

Abstract

Technical testing of rotary dryer was conducted to dry Cat's whiskers leaf (Orthorsiphon stamineus benth) the aim of the technical testing is to evaluate of performance the rotary dryer for drying cat's whiskers leaf. the drying temperature suitable for cat's 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%.
Co-Authors Endah Djubaedah H Guring Pohan