Influence of germicidal ultraviolet radiation UV-C on the quality of Apiaceae spices seeds

Chemical and Biological Technologies in Agriculture

Table 2 Respiration rate (ml CO₂ Kg⁻¹ seed h⁻¹) of anise, fennel, caraway, and cumin stored for 30 days after different UV-C exposure durations

Exposure time (min)	Anise	Fennel	Caraway	Cumin
0	24.46 ± 1.63 d	20.92 ± 1.76 f	20.33 ± 3.51 e	21.00 ± 1.73 h
5	26.92 ± 1.63 cd	21.22 ± 1.00 f	25.66 ± 2.08 de	27.33 ± 1.52 g
10	28.98 ± 2.22 bcd	22.73 ± 2.80 ef	25.66 ± 2.08 de	29.66 ± 1.52 fg
15	29.5 ± 2.40 bcd	24.13 ± 0.91 ef	27.00 ± 1.00 cd	33.00 ± 2.64 ef
20	30.33 ± 3.70 bc	25.62 ± 2.24 de	29.66 ± 2.08 cd	35.60 ± 1.15 de
25	42.15 ± 1.97 a	41.99 ± 3.30 a	46.33 ± 2.51 a	45.33 ± 0.57 a
30	38.80 ± 1.90 a	39.77 ± 1.79 a	40.33 ± 1.52 b	42.00 ± 2.00 ab
35	33.20 ± 3.20 b	33.90 ± 1.58 b	29.33 ± 4.16 cd	40.33 ± 1.52 bc
40	33.23 ± 3.02 b	30.62 ± 1.69 bc	31.66 ± 2.88 c	37.66 ± 1.15 cd
45	33.27 ± 3.60 b	29.36 ± 0.93 cd	28.33 ± 1.52 cd	36.33 ± 2.51 cde

Data were expressed by mean ± standard deviation (SD); means within columns followed by the different lowercase letters indicate significant differences (P ≤ 0.05). HSD at a 5% significance level was 5.1, 4.3, 5.8, and 4.1 for anise, fennel, caraway, and cumin, respectively