Extraction and Optimization of Tanning Material from Osyris lanceolata Barks: Cleaner Leather Tanning Processing

Table 2

Phytochemical and tannin strength analyses of Osyris lanceolata plant.

Test no.	Parameters			Response
	T (°C)	Conc (g/ml)	Time (minutes)	TDS (%)	Nontannin (%)	Tannin (%)	Purity T/TSS	Types of tannin	Tannin strength T/NT	pH
1	65	15	60	32.675	19.58	13.095	0.401	C	0.668	4.38
2	65	4	60	31.984	19.517	12.466	0.39	C	0.6387	4.3
3	90	15	90	39.714	28.05	11.664	0.294	C	0.4158	4.1
4	90	4	90	34.82	29.472	5.345	0.154	C	0.1815	2.89
5	40	9.5	60	28.89	27.5745	1.314	0.045	C	0.04765	2.7
6	65	9.5	90	29.176	21.827	7.348	0.252	C	0.3366	3
7	65	15	120	31.33	22.246	9.0836	0.289	C	0.4083	3.7
8	40	15	90	25.806	19.968	5.8379	0.226	C	0.2923	2.9
9	90	9.5	120	50.268	32.32	17.94	0.357	C	0.555	4.5
10	65	9.5	90	29.176	21.827	7.348	0.252	C	0.3366	3
11	65	9.5	90	29.176	21.827	7.348	0.252	C	0.3366	3
12	40	9.5	120	31.57	24.615	6.955	0.22	C	0.28255	2.98
13	65	4	120	37.5	19.907	18.42	0.49	C	0.9253	4.65
14	65	9.5	90	29.176	21.827	7.348	0.252	C	0.3366	3
15	90	9.5	60	46.25	26.847	19.403	0.419	C	0.7227	4.57
16	65	9.5	90	29.176	21.827	7.348	0.252	C	0.3366	3
17	40	4	90	24.64	24.18	0.46	0.018	C	0.019	2.4