Studi perbandingan mutu kulit jadi (finished leather) yang berasal dari kulit yang diawet dengan garam dan yang diawetkan dengan sinar matahari

Sri Untari, Jayusman Jayusman

Abstract


The object of this study is to obtain the differences glace leather properties made from:

  1. a.        Sun dried goat skins
  2. b.        Wet salted goat skins
  3. c.         And preserved for 1, 2 and 3 months successively, the curing and preservation of which is in accordance with BPK (KSI) method.

The sample observed is 18 sides goat skins which are taken from a slaughted – house in Yogyakarta. 9 side of those are preserved by sun drying and the rest is wet salted, preserved for 3 months is accordance with BPK/KSI method of preservation.

Out of the 1,  2 and 3 months preservation, 1 side of the dried and wet salted skins is taken and processed into glace leather according to BPK method with 2 replications. The tanned leather then is subjected to organoleptic, physical and chemical analyses.

The study is carried out in 1 year. The chemical and organoleptic data are obtained from variance sub sample (£ < 0,05) CRD factorial analyses. Whereas the physical properties are analysed by variance sub sample (£ < 0,05) CRD factorial  analyses.

Whereas the physical properties are analysed by variance sub sample (£ < 0,05) CDR factorial and Duncan’s Test (£ < 0,05).

The result of organoleptic analyses show that there is no different properties between glace leather mode from dried and wet salted goat skins (£ < 0,05) and the time of preservation used has no influence on the them (£ < 0,05).

But there are differences on tensile strength and stretch properties between glace leather made from dried and wet salted skins (£ < 0,05) and the time of preservation used influnces on the them (£ < 0,05).

 


 

INTISARI

 

Penelitian ini dimaksudkan untuk mencari jawaban apakah ada  perbedaan sifat- sifat kulit glase kambing, yang masing- masing berasal dari kulit mentah diawet dengan cara :

  1. Dikeringkan dengan sinar matahari
  2. Digaram basah

Kulit awetan disimpan masing-masing 1 bulan, 2 bulan dan 3 bulan, pengawetan dan penyimpanan sesuai metode BPK (KSI)*

Seluruh sampel berjumlah 18 lembar kulit kambing yang berasal dari pemotongan hewan di Yogyakarta. 9 lembar diawet dengan dikeringkan dan 9 lembar dengan digaram basah, disimpan selama 3 bulan menurut BPK / KSI*. Setelah disimpan 1 bulan, 2 bulan, 3 bulan, diambil masing- masing 1 lembar kulit kering dan 1 lembar kulit garaman   disamak menjadi kulit glase menurut metode BPK dengan 2 replikasi. Sari hasil penyamakan kemudian masing-masing diuji sifat organoleptis, fisis dan kimiawi.

Penelitian di lakukan selama 1 tahun. Analisa data untuk pengujian organoleptis dan kimiawi dengan analisa varians sub sampel (P < 0,05) dengan CDR faktorial.  Sedangkan untuk pengujian dengan analisa varian sub sampel (P < 0,05) sengan CDR faktorial dan  Ducan’s Test (P < 0,005). Hasil penelitian menunjukkan bahwa untuk pengujian organoleptis tidak asa perbedaan, antara kulit kering dan kulit garaman (P < 0,05), dan tidak ada pengaruh lama penyimpanan ( P < 0,005).

 

*BPK = Balai Penelitian Kulit

*KSI   = Kulit Standar Industri

 


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References


Aten, A., Faraday Innes, R., & Knew, E. (1955). Flaying and curing of hides and skins as a rural industry. FAO Animal Production and Health Series (FAO).

Gustavson, K. H. (1956). Chemistry and reactivity of collagen.

O'Flaherty, F., Roddy, W. T., & Lollar, R. M. (1956). The chemistry and technology of leather. Reinhold Publishing Co..




DOI: http://dx.doi.org/10.20543/mkkp.v3i7.286

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Copyright (c) 1988 SRI UNTARI DAN JAYUSMAN

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