Total nitrogen, water-soluble nitrogen and free amino acids profile during ripening of soft cheese enriched with Nigella sativa seed oil

Experimental cheese batch (treatments)	Ripening time (days)	Total nitrogen (TN, %)± St.dev	Water soluble nitrogen (WSN, %)± St. dev
Control (no NSSO)	0	2.08±0.02	2.94±0.035
	14	2.14±0.03	6.16±0.065
	28	2.14±0.015	11.14±0.015
	42	2.15±0.03	16.14±0.09
Batch 1 (0.2% w/w NSSO)	0	2.15±0.015	2.84±0.0575
	14	2.19±0.015	7.18±0.015
	28	2.19±0.036	12.23±0.03
	42	2.20±0.04	18.47±0.02
Batch 2 (1% w/w NSSO)	0	2.24±0.02	3.27±0.02
	14	2.25±0.017	8.79±0.075
	28	2.27±0.01	14.42±0.107
	42	2.29±0.01	21.73±0.06

FAA content (mg/100g) in experimental cheeses during 42 days of ripening

No.	Amino acid		Control			Batch 1 (0.2%)			Batch 2 (1%)
No.	Amino acid		14d	28d	42d	14d	28d	42d	14d	28d	42d
1.	Alanine	ALA	0,8116	0,9817	1,1216	0,8169	0,7955	1,0806	1,1341	1,2321	1,3292
2.	Glycine	GLY	0,4034	0,4907	0,6533	0,4406	0,4535	0,667	0,7012	0,6434	0,6123
3.	Valine	VAL	1,1152	1,5311	1,5674	1,1527	1,1	1,3765	1,599	1,8087	1,5733
4.	Leucine	LEU	2,3809	2,3612	2,8767	2,3691	2,1854	2,7351	3,0473	3,5025	3,5694
5.	Isoleucine	ILE	0,9353	1,0625	1,2199	0,913	0,8579	1,073	1,1438	1,5951	1,4429
6.	Threonine	THR	1,4032	1,3865	2,2382	1,1888	1,2864	1,6259	1,2019	1,8737	1,6152
7.	Serine	SER	1,1938	1,426	1,6509	0,7041	1,0298	0,8133	1,2537	1,3987	1,4008
8.	Proline	PRO	2,5432	2,869	3,706	2,6537	2,77	3,7163	3,7256	4,3507	3,5816
9.	Aspartic acid	ASP	1,7103	2,2	2,5568	1,6743	1,8607	2,4809	3,1145	3,2463	2,8177
10.	Methionine	MET	0,7937	0,849	0,9967	0,7997	0,74	1,0683	0,9832	1,0952	1,119
11.	4-Hydroxyproline	HYP	0,3858	0,3012	0,4109	0,1796	0,7848	0,2285	0,4426	0,2087	0,5258
12.	Glutamic acid	GLU	6,765	8,4408	6,3516	5,8572	6,7915	5,2716	6,4516	9,4516	11,29
13.	Phenylalanine	PHE	1,2042	1,2537	1,3727	1,1893	1,1711	1,4536	1,5131	1,8137	1,7064
14.	Lysine	LYS	2,9618	2,4442	4,3082	3,2307	2,4179	2,5524	5,5639	3,7424	5,2131
15.	Histidine	HIS	0,5353	0,7183	1,173	0,9557	0,9263	0,8316	0,5896	2,2125	1,2474
16.	Hydroxylysine	HYL	0,3378	0,4	0,8404	0,3443	1,1	0	0,9497	1,56	0,2219
17.	Tyrosine	TYR	1,3444	1,3281	0,7301	1,4549	1,3752	0,7718	1,5292	2,3373	2,2213
18.	Tryptophan	TRP	0	0,5738	0	0,7393	1,4847	0,8353	0	1,4684	1,3315
19.	Cystine	C-C	0,3222	0,3295	0,6058	0,563	0,4482	0,9959	0,6324	0,4301	0,321
20.		TOTAL	27,15	30,95	34,38	27,23	29,58	29,58	35,58	43,97	43,14

Language: English

Page range: 90 - 96

Published on: Apr 24, 2019

Published by: European Biotechnology Thematic Network Association

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

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© 2019 Mara Georgescu, Ștefania Mariana Raita, Dana Tăpăloagă, published by European Biotechnology Thematic Network Association
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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