A study on the nutritional characteristics of some plants and their effects on ruminal microbial fermentation and protozoa population

AMB Express

Table 3 Buffering capacity (mEq × 10^–3) of some plant species in 2019 and 2020

Plant species	pH		Titratable acidity		Acid-buffering capacity		Titratable alkalinity		Base-buffering capacity		Acid–base buffering capacity
Plant species	2019	2020	2019	2020	2019	2020	2019	2020	2019	2020	2019	2020
Dracocephalum moldavica L	5.22^f	5.15^e	315^b	299^b	189^a	199^a	176^c	164^c	46.7^c	42.6^c	235^a	242^a
Melissa officinalis L	5.72^b	5.76^a	277^d	257^c	120^e	117^c	98.2^f	107^e	30.0^ef	33.0^d	150^e	150^d
Ruta graveolens L	4.85^g	4.88^f	172^f	178^d	142^c	169.8^b	224^a	205^a	54.0^b	49.9^b	196^c	220^b
Perovskia abrotanoides Kar	5.37^e	5.43^c	134^g	148^e	59.3^h	65^d	95.2^f	104^e	26.2^g	29.3^e	85.5^g	94.5^e
Cichorium intybus L	5.42^d	5.41^c	140^g	128^f	70.4^g	64.4^d	115^e	106^e	32.1^e	29.6^e	102^f	94.0^e
Borago officinalis L	5.79^a	5.74^a	344^a	285^b	130^d	108^c	126^d	140^d	39.3^d	42.9^c	169^d	151^d
Peganum harmala L	5.59^c	5.63^b	300^c	327^a	150^b	164^b	183^b	164^c	53.6^b	48.7^b	204^b	212^b
Teucrium polium L	5.23^f	5.32^d	133^g	132^ef	73.7^g	73.0^d	109^e	114^e	29.1^f	31.1^de	103^f	104^e
Medicago sativa	5.82^a	5.75^a	195^e	196^d	107^f	112^c	187^b	179^b	58.8^a	55.7^a	166^d	168^c
SEM	0.051	0.048	13.6	12.4	6.82	7.90	7.51	6.01	1.99	1.61	8.23	8.99
p-value	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001	< 0.0001

Means with different letters among the same row indicate significant differences according to the p-value presented
SEM standard error of the mean