. 2022 Jun;60(2):266–278. doi: 10.17113/ftb.60.02.22.7419

Table 5. Mass fractions of phenolic acids and flavonoids of carob, maple and date syrups expressed on dry mass basis.

Carob accession	w/(μg/g)
Carob accession	Gallic acid	Syringic acid	Caffeic acid	t-cinnamic acid	p-coumaric acid	Catechin	Quercetin
Akkar	(4266±6)^cdef	(1.2±0.3)^f	(0.9±0.2)^bcdef	(14.2±1.0)^de	(13.3±0.8)^hi	(1.0±0.1)^de	(1.21±0.01)^abc
Selaata	(770±46)1^j	(0.08±0.02)^a	(1.01±0.1)^cdefg	(17.6±2.7)^gh	(12.9±2.2)^gh	(1.05±0.03)^de	(1.31±0.05)^cde
Wadi El Hojeir	(1377±91)^gh	(1.93±0.01)^hi	(1.3±0.1)9^h	(15.0±0.8)^ef	(11.0±1.0)^efgh	nd^a	(1.56±0.00)^f
Batroun	(204±19)^ab	(0.92±0.06)^def	(0.72±0.03)^b	(15.5±2.8)^efg	(9.8±1.1)^cdef	(1.28±0.03)^de	(1.3±0.2)^cde
Maaroub	(565±7)^fg	(1.67±0.05)^gh	(0.78±0.06)^bc	(13.7±0.5)^de	(8.8±0.5)^cde	(1.6±0.3)^f	(1.69±0.03)^f
Bourjin	(2351±333)^l	(0.41±0.08)^bc	(1.12±0.01)^fgh	(8.1±0.9)^bc	(15.34±0.02)^ij	(0.19±0.01)^a	(1.23±0.02)^abcd
Marjayoun	(523±15)^efg	(0.34±0.09)^abc	(1.04±0.01)^defgh	(8.4±0.2)^bc	(8.2±1.4)^bcd	(0.63±0.08)^bc	(1.23±0.01)^abcd
AUB1	(828±76)^hi	(0.90±0.06)^de	nd^a	(10.4±1.2)^c	(13.3±0.8)^hi	(1.0±0.1)^de	(1.32±0.03)^cde
AUB2	(955±67)ⁱ	(1.75±0.30)^ghi	nd^a	(7.7±0.5)^b	(10.62±0.07)^efg	(0.31±0.07)^ab	(1.29±0.04)^bcde
AUB3	(657±84)^bcdef	(0.63±0.02)^cd	(1.1±0.1)^fgh	(8.1±1.7)^bc	(15.9±1.2)^j	(0.88±0.08)^cde	(1.19±0.06)^ab
AUB4	(394±24)^hi	nd^j	(0.8±0.1)^defgh	(18.3±0.8)^fgh	(25.4±0.1)^def	(0.07±0.02)^a	(1.25±0.02)^abcd
AUB6	(489±61)^cdefg	(0.8±0.2)^de	(0.89±0.09)^bcdef	(23.5±0.4)^j	(11.8±1.2)^fgh	(1.0±0.1)^de	(1.55±0.04)^f
AUB7	(659±21)^gh	(1.6±0.5)^g	(0.77±0.09)^bc	(19.88±0.01)ⁱ	(12.9±1.3)^gh	(1.1±0.2)^de	(1.35±0.06)^e
AUB8	(361±24)^abcd	(2.0±0.3)^ij	(1.06±0.09)^efgh	(29.0±2.1)^k	(15.7±0.8)^j	(1.0±0.1)^de	(1.17±0.05)^ab
AUB9	(838±27)^bcde	(2.3±0.2)^a	(1.0±0.1)^bcd	(16.6±1.5)^hi	(9.9±1.4)^l	nd^a	(1.23±0.02)^abcde
AUB10	(1891±186)^k	(1.1±0.2)^ef	(0.8±0.1)^bcde	(12.6±0.9)^d	(7.6±0.8)^bc	(1.2±0.2)^e	(1.31±0.02)^cde
AUB11	(293±70)^hi	(0.16±0.07)^ab	(0.77±0.02)^bc	(22.6±2.5)^j	(17.6±1.8)^jk	(0.8±0.2)^cd	(1.15±0.07)^a
AUB12	(7666±370)^m	(2.02±0.07)^ij	(0.89±0.01)^bcdef	(8.8±0.6)^bc	(6.0±1.1)^b	nd^a	(1.84±0.08)^g
AUB14	(948±30)ⁱ	(1.6±0.2)^gh	(1.2±0.2)^gh	(15.0±1.3)^ef	(18.5±3.7)^k	(0.33±0.07)^ab	(1.33±0.08)^de
Date syrup	(254±17)^abc	nd^a	(7.7±0.4)ⁱ	nd^a	(2.8±0.2)^a	(0.14±0.02)^a	(1.15±0.03)^a
Amber maple syrup	(135±26)^a	nd^a	nd^a	nd^a	(0.71±0.08)^a	(2.6±0.3)^g	(1.23±0.02)^abcd
Dark maple syrup	(221±86)^abc	nd^a	nd^a	nd^a	(0.9±0.1)^a	(1.75±0.03)^f	(1.25±0.03)^abcde
Range of carob syrups	204-7666	nd-2.26	nd-1.26	7.7-29.0	6.0-25.4	nd-1.57	1.2-1.8
Mean±S.D. of carob syrups	1166±1666	1.1±0.7	0.8±0.3	15.0±5.9	12.9±4.6	0.7±0.5	1.3±0.2

Values with different letters in superscript in the same column are significantly different (p<0.05) according to Duncan’s multiple range test. dm=dry mass, nd=not detected. AUB1 to AUB14=American University of Beirut