Table 4.
Compounds in Walnut Shell | Extract * | Fractions DCM-EtOH | |||||
---|---|---|---|---|---|---|---|
Fatty Acids and Alcohols | 97–3 (1) * | 97–3 (2) * | 97–3 (3) * | 96–4 * | 95–5 * | ||
Fatty acids | Acid 9:0 | 0.25 ± 0.02 | - | - | - | - | - |
Acid 18:0 | 0.04 a | - | 0.13 a | - | 0.01 a | - | |
Acid 18:1 | 0.15 a | - | 0.56 ± 0.06 | - | - | - | |
Acid 18:2 | 0.51 ± 0.05 | - | - | - | - | - | |
Fatty alcohols | Alcohol 16:0 | 0.40 ± 0.02 | - | - | - | - | - |
Terpenes and Terpenoids | |||||||
Terpineol | - | - | 0.02 a | - | - | - | |
p-menthane-1,8-diol | 0.06 a | - | - | - | - | - | |
Di-and triglycerides | |||||||
Diglycerides | 0.45 ± 0.04 | - | 0.06 a | - | - | 0.01 a | |
Triglycerides | 0.13 a | - | - | - | - | 0.01 a | |
Resin Acids | |||||||
Resin acids | Isopimaric acid | 0.01a | - | - | - | - | - |
Unidentified RT = 22:03-27:80 | 0.11 a | 0.02 a | 0.02 a | 0.02 a | - | - | |
Modified resin acids | X-OH-7oxoDHA acid | - | - | 0.03 a | 0.01 a | - | - |
Dihydroxy-DHA acid | 1.39 ± 0.21 | - | - | - | - | - | |
9-hydroxystearic acid | 0.01 a | - | 0.01 a | - | - | - | |
X-hydroxyabietic acid | 0.02 a | - | - | - | - | - | |
Steroids | |||||||
Sitosterol | 0.17 ± 0.03 | - | 0.59 ± 0.09 | - | - | - | |
Unidentified RT = 28:04-30.69 | - | - | 0.05 a | - | - | - | |
Phenolic Compounds | |||||||
Phenols | Vanillin | - | - | 0.07 a | - | 0.01 a | - |
Rhododendrol | 0.01 a | - | - | - | - | - | |
3,4-dihydroxybenzaldehyde | 0.01 a | - | - | - | - | - | |
3-methoxy-4-OH-cinnamaldehyde | 0.06 a | - | 0.05 a | - | - | - | |
Gallic acid | 0.32 ± 0.02 | 0.01 a | - | - | 0.01 a | - | |
Protocatechuic acid | 0.13 a | - | - | - | - | - | |
Tyrosol | 0.24 ± 0.01 | - | - | - | - | - | |
Dihydroconiferyl alcohol | 0.28 ± 0.01 | - | 0.04 a | - | - | - | |
Syringic acid | 0.05 a | - | - | 0.01 a | - | - | |
Vanillic acid | 0.07 a | - | 0.01 a | 0.01 a | - | - | |
4-hydroxybenzoic acid | 0.13 a | - | - | - | - | 0.01 a | |
Phenolic acid | Sinapyl alcohol | 0.24 ± 0.02 | - | 0.04 a | 0.01 a | - | - |
1-guaiacyl-3-OH-1-propanone | 0.03 a | - | - | - | - | - | |
1-guaiacyl-2-OH-1-ethanone | 0.03 a | - | 0.01 a | - | - | - | |
1-syringylglycerol | 0.04 a | - | 0.01 a | 0.03 a | 0.01 a | 0.01 a | |
1-guaiacyl -2,3-diOH-1-propanone | 0.04 a | - | 0.01 a | - | 0.01 a | 0.01 a | |
1-guaiacylglycerol | 0.16 ± 0.01 | - | - | - | - | - | |
1,3-(bis-guaiacyl)-1,2-propandiol | 0.09 a | - | - | - | - | 0.01 a | |
P-hydroxyphenyl glycerol | 0.04 a | - | - | - | - | 0.01 a | |
Coniferyl alcohol | 0.25 ± 0.03 | - | 0.03 a | 0.01 a | - | - | |
Stilbenes and diarylheptanoids | 4,4′-diOH-3,3′-dimethoxystilbene | 0.01 a | - | - | 0.02 a | 0.01 a | - |
X-c4h4(oh)3; c5h6(oh)3 | 0.23 ± 0.02 | - | 0.02 a | 0.01a | 0.01 a | - | |
Lignans | Resorcinol | 0.10 ± 0.02 | - | - | - | - | - |
Olivil | 0.01 a | - | 0.01 a | - | - | - | |
glucopyranoside2[-4(OH)phe] | 0.02 a | - | - | - | - | - | |
HMR | - | - | - | 0.01 a | - | - | |
Todolactol | 0.17 ± 0.03 | - | 0.01 a | 0.01 a | 0.01 a | 0.01 a | |
Flavonoids | |||||||
tannins | Ellagic acid | 0.04 a | - | 0.01 a- | 0.01 a | - | - |
Flavonoids | Pinobanksin | 0.01 a | - | - | - | - | - |
Pinocembrin | 0.06 a | - | - | 0.02 a | 0.01 a | - | |
(+)-Catechin | 0.02 a | - | 0.02 a | - | - | 0.01 a | |
Dihydromyricetin | 0.03 a | - | - | - | - | - | |
Quercetin | 0.05 a | - | 0.03 a | - | - | - | |
Taxifolin | 0.21 ± 0.04 | - | - | 0.01 a | - | - | |
Gallocatechin | 0.22 ± 0.02 | - | - | 0.06 a | 0.02 a | - | |
3′,4′,5′,3,X-PentaOH-dyhydroflavanol | 0.07 a | - | - | - | 0.01 a | 0.01 a | |
Monomethyl gallocatechin | 0.02 a | - | - | - | - | - | |
Other Compounds | |||||||
Sugar derivatives | Monosaccharides | 6.84 ± 1.02 | - | 0.88 ± 0.08 | 0.01 a | 0.01 a | - |
Sugar acids | 1.20 ± 0.09 | - | 0.06 a | - | - | - | |
Sugar alcohol | 1.17 ± 0.06 | - | 0.01 a | - | - | - | |
Others | Carboxyl acid | 1.12 ± 0.14 | - | - | - | - | - |
Alpha-lapachone | 0.01 a | - | 0.02 a | - | - | - | |
Dehydro-alpha-lapachone | 0.07 a | - | 0.10 ± 0.01 | - | - | - | |
Hydroquinone- β-d-glucopyranoside | 0.06 a | - | - | - | - | - | |
3-OH-2-methyl-pyran-4-one | 0.01 a | - | 0.01 a | 0.02 a | - | - | |
Non-identified | 0.13 ± 0.03 | - | 0.24 ± 0.03 | - | - | - |
Standard deviation (n = 3); a s.d. < 0.01. * mg of extracts per g of shells.