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KESAN RABA, BAU DAN RASA
FISIKA KAYU
DOSEN PENGAMPU : MUNADIAN, S.Hut, M.Agr
DISUSUN OLEH :
NAMA : PUTRI PARTECIA ANGGREINI
NIM : G1011211070
KELAS : G
FAKULTAS KEHUTANAN
UNIVERSITAS TANJUNGPURA
PONTIANAK
2022
Kesan raba,
Bau dan Rasa
Kesan
Raba
“Kasan raba (kayu) : kesan yang
diperoleh pada saat kita meraba
permukaan kayu tersebut (kasar,
halus, licin, dingin dsb).”
02
Kesan raba dirasakan licin, apabila tekstur kayunya
halus dan permukaannya mengandung lilin.
02
03
04
01
Respon Kesan Raba
Kesan raba terasa dingin terdapat pada kayu yang
bertekstur halus dan berat jenisnya tinggi.
Kesan raba terasa panas apabila tekstur kayunya kasar
dan berat jenisnya rendah.
Jati memberi kesan agak berlemak atau berlilin bila diraba,
sedangkan kayu Rengas memberi kesan gatal pada kulit
(alergi).
Bau dan
RASA
“Bau dan rasa kayu : merupakan satu
kesatuan, artinya dengan melakukan
salah satu pengamatan bisa mewakili
keduanya, dan biasanya diwakili oleh
bau saja.”
Zat Ekstraktif
zat ekstraktif yang
mudah menguap (bau
asli kayu)
Serangan Jasad
Renik
(bakteri dan jamur)
Bau Kayu Berasal Dari
Pembusukan
(sisa metabolisme)
Bau tersebut dapat dirasakan lebih keras
pada permukaan kayu yang masih segar.
Bau dan rasa kayu mudah hilang apabila
kayu lama tersimpan di udara terbuka. Oleh
karena itu untuk mengetahui bau dan rasa
kayu, harus dilakukan pada sayatan yang
baru dan masih segar.
Bau dan Rasa
No Contoh Bau Seperti Pada Jenis Kayu
1. Bawang Putih Kulin
2. Petai Sengon
3. Asam Ulin
4. Kamper Kapur
5. Terpentin Pinus
6. Harum Kayu Manis
7. Zat Penyamak Jati
Thank you!!

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G1011211070, Putri Partecia A, Kesan Raba, Bau dan Rasa.pptx

  • 1. KESAN RABA, BAU DAN RASA FISIKA KAYU DOSEN PENGAMPU : MUNADIAN, S.Hut, M.Agr DISUSUN OLEH : NAMA : PUTRI PARTECIA ANGGREINI NIM : G1011211070 KELAS : G FAKULTAS KEHUTANAN UNIVERSITAS TANJUNGPURA PONTIANAK 2022
  • 4. “Kasan raba (kayu) : kesan yang diperoleh pada saat kita meraba permukaan kayu tersebut (kasar, halus, licin, dingin dsb).”
  • 5. 02 Kesan raba dirasakan licin, apabila tekstur kayunya halus dan permukaannya mengandung lilin. 02 03 04 01 Respon Kesan Raba Kesan raba terasa dingin terdapat pada kayu yang bertekstur halus dan berat jenisnya tinggi. Kesan raba terasa panas apabila tekstur kayunya kasar dan berat jenisnya rendah. Jati memberi kesan agak berlemak atau berlilin bila diraba, sedangkan kayu Rengas memberi kesan gatal pada kulit (alergi).
  • 7. “Bau dan rasa kayu : merupakan satu kesatuan, artinya dengan melakukan salah satu pengamatan bisa mewakili keduanya, dan biasanya diwakili oleh bau saja.”
  • 8. Zat Ekstraktif zat ekstraktif yang mudah menguap (bau asli kayu) Serangan Jasad Renik (bakteri dan jamur) Bau Kayu Berasal Dari Pembusukan (sisa metabolisme)
  • 9. Bau tersebut dapat dirasakan lebih keras pada permukaan kayu yang masih segar. Bau dan rasa kayu mudah hilang apabila kayu lama tersimpan di udara terbuka. Oleh karena itu untuk mengetahui bau dan rasa kayu, harus dilakukan pada sayatan yang baru dan masih segar.
  • 10. Bau dan Rasa No Contoh Bau Seperti Pada Jenis Kayu 1. Bawang Putih Kulin 2. Petai Sengon 3. Asam Ulin 4. Kamper Kapur 5. Terpentin Pinus 6. Harum Kayu Manis 7. Zat Penyamak Jati