Table 4.
Limit of detection (LOD) and limit of quantitation (LOQ) of the 64 phenolic compounds determined in the four Citrus tissues
| Compound | Flavedo |
Albedo |
Pulp |
Leaf |
||||
|---|---|---|---|---|---|---|---|---|
| LOD (mg kg–1) | LOQ (mg kg–1) | LOD (mg kg–1) | LOQ (mg kg–1) | LOD (mg kg–1) | LOQ (mg kg–1) | LOD (mg kg–1) | LOQ (mg kg–1) | |
| Flavones | ||||||||
| Apigenin | 0·028 | 0·093 | 0·035 | 0·117 | 0·066 | 0·219 | 0·075 | 0·251 |
| Acacetin | 0·009 | 0·031 | 0·008 | 0·026 | 0·008 | 0·027 | 0·013 | 0·045 |
| Luteolin | 0·038 | 0·127 | 0·018 | 0·060 | 0·072 | 0·241 | 0·078 | 0·259 |
| Chrysoeriol | 0·083 | 0·275 | 0·080 | 0·268 | 0·017 | 0·058 | 0·020 | 0·066 |
| Diosmetin | 0·082 | 0·272 | 0·083 | 0·276 | 0·019 | 0·064 | 0·021 | 0·068 |
| Tetramethyl isoscutellarein | 0·001 | 0·004 | 0·002 | 0·006 | 0·006 | 0·019 | 0·005 | 0·017 |
| Sinensetin | 0·005 | 0·016 | 0·004 | 0·015 | 0·004 | 0·013 | 0·011 | 0·036 |
| Tangeretin | 0·006 | 0·019 | 0·003 | 0·010 | 0·003 | 0·009 | 0·009 | 0·030 |
| Nobiletin | 0·032 | 0·106 | 0·004 | 0·015 | 0·004 | 0·013 | 0·015 | 0·049 |
| Vitexin | 0·018 | 0·061 | 0·033 | 0·110 | 0·031 | 0·104 | 0·081 | 0·269 |
| Apigetrin | 0·011 | 0·036 | 0·014 | 0·047 | 0·069 | 0·231 | 0·118 | 0·392 |
| Orientin | 0·014 | 0·048 | 0·010 | 0·033 | 0·023 | 0·077 | 0·024 | 0·081 |
| Cynaroside | 0·011 | 0·036 | 0·013 | 0·045 | 0·023 | 0·075 | 0·018 | 0·060 |
| Luteolin-4′-O-glucoside | 0·068 | 0·226 | 0·011 | 0·037 | 0·024 | 0·081 | 0·015 | 0·049 |
| Amentoflavone | 0·269 | 0·896 | 0·003 | 0·011 | 0·068 | 0·227 | 0·140 | 0·466 |
| Isorhoifolin | 0·062 | 0·205 | 0·176 | 0·586 | 0·055 | 0·182 | 0·360 | 1·199 |
| Rhoifolin | 0·092 | 0·307 | 0·263 | 0·875 | 0·066 | 0·219 | 0·493 | 1·644 |
| Linarin | 0·086 | 0·286 | 0·034 | 0·113 | 0·026 | 0·086 | 0·029 | 0·097 |
| Saponarin | 0·006 | 0·021 | 0·007 | 0·023 | 0·005 | 0·018 | 0·015 | 0·051 |
| Diosmin | 0·956 | 3·187 | 0·473 | 1·578 | 0·572 | 1·905 | 0·668 | 2·226 |
| Neodiosmin | 0·265 | 0·884 | 0·113 | 0·377 | 0·135 | 0·450 | 0·155 | 0·518 |
| Luteolin-3′-7-di-O-glucoside | 0·024 | 0·080 | 0·218 | 0·727 | 0·026 | 0·086 | 0·041 | 0·138 |
| Flavanones | ||||||||
| Naringenin | 0·476 | 1·587 | 0·459 | 1·529 | 0·397 | 1·324 | 0·327 | 1·090 |
| Sakuranetin | 0·134 | 0·448 | 0·081 | 0·271 | 0·058 | 0·193 | 0·073 | 0·243 |
| Eriodictyol | 1·000 | 3·333 | 0·214 | 0·715 | 0·896 | 2·986 | 0·577 | 1·924 |
| Homoeriodictyol | 0·346 | 1·152 | 0·226 | 0·755 | 0·259 | 0·862 | 0·320 | 1·067 |
| Hesperetin | 0·100 | 0·332 | 0·142 | 0·473 | 0·171 | 0·570 | 0·206 | 0·686 |
| Pyracanthoside | 0·187 | 0·622 | 0·092 | 0·306 | 0·443 | 1·476 | 0·479 | 1·598 |
| Narirutin | 0·347 | 1·155 | 0·877 | 2·924 | 0·850 | 2·834 | 0·360 | 1·199 |
| Naringin | 1·183 | 3·942 | 4·146 | 13·822 | 0·493 | 1·644 | 1·059 | 3·529 |
| Neoponcirin | 0·405 | 1·350 | 0·022 | 0·072 | 0·330 | 1·101 | 0·356 | 1·185 |
| Poncirin | 0·416 | 1·386 | 0·321 | 1·070 | 0·345 | 1·150 | 0·377 | 1·257 |
| Eriocitrin | 0·131 | 0·438 | 0·684 | 2·281 | 0·097 | 0·325 | 0·205 | 0·684 |
| Neoeriocitrin | 0·239 | 0·795 | 1·265 | 4·217 | 0·093 | 0·310 | 0·175 | 0·585 |
| Hesperidin | 0·368 | 1·227 | 0·377 | 1·257 | 0·136 | 0·453 | 0·222 | 0·739 |
| Neohesperidin | 0·941 | 3·136 | 0·685 | 2·284 | 0·247 | 0·823 | 0·325 | 1·082 |
| Flavonols | ||||||||
| Rutin | 0·028 | 0·094 | 0·299 | 0·998 | 0·092 | 0·307 | 0·103 | 0·344 |
| Anthocyanins | ||||||||
| Cyanidin-3-O-glucoside | 0·036 | 0·119 | 0·018 | 0·061 | 0·025 | 0·083 | 0·031 | 0·103 |
| Coumarins | ||||||||
| Umbelliferone | 1·009 | 3·363 | 0·739 | 2·463 | 0·903 | 3·010 | 4·942 | 16·474 |
| Limettin | 0·013 | 0·042 | 0·008 | 0·027 | 0·006 | 0·020 | 0·023 | 0·075 |
| Epoxyaurapten | 0·223 | 0·742 | 0·061 | 0·203 | 0·034 | 0·112 | 0·070 | 0·234 |
| Osthol | 0·008 | 0·026 | 0·006 | 0·020 | 0·004 | 0·012 | 0·013 | 0·044 |
| Aurapten | 0·007 | 0·024 | 0·002 | 0·007 | 0·003 | 0·010 | 0·011 | 0·038 |
| Furanocoumarins | ||||||||
| Xanthotoxol | 0·379 | 1·262 | 0·669 | 2·230 | 0·165 | 0·549 | 1·074 | 3·579 |
| Bergaptol | 0·389 | 1·298 | 0·115 | 0·383 | 0·116 | 0·388 | 0·267 | 0·888 |
| Heraclenol | 0·080 | 0·266 | 0·030 | 0·102 | 0·019 | 0·062 | 0·146 | 0·488 |
| Oxypeucedanin hydrate | 0·070 | 0·232 | 0·026 | 0·086 | 0·016 | 0·052 | 0·111 | 0·371 |
| Byakangelicin | 0·050 | 0·168 | 0·030 | 0·099 | 0·028 | 0·095 | 0·157 | 0·522 |
| Psoralen | 0·056 | 0·187 | 0·022 | 0·073 | 0·020 | 0·066 | 0·100 | 0·335 |
| Xanthotoxin | 0·057 | 0·191 | 0·026 | 0·087 | 0·013 | 0·043 | 0·052 | 0·174 |
| Bergapten | 0·040 | 0·133 | 0·017 | 0·056 | 0·009 | 0·030 | 0·036 | 0·120 |
| Isopimpinellin | 0·020 | 0·066 | 0·011 | 0·036 | 0·006 | 0·021 | 0·023 | 0·077 |
| Heraclenin | 0·057 | 0·190 | 0·018 | 0·061 | 0·022 | 0·072 | 0·062 | 0·206 |
| 6′,7′-Dihydroxybergamottin | 0·060 | 0·201 | 0·020 | 0·068 | 0·006 | 0·021 | 0·044 | 0·145 |
| Byakangelicol | 0·026 | 0·085 | 0·004 | 0·013 | 0·005 | 0·016 | 0·020 | 0·067 |
| Oxypeucedanin | 0·004 | 0·013 | 0·013 | 0·044 | 0·017 | 0·058 | 0·039 | 0·129 |
| Imperatorin | 0·017 | 0·057 | 0·011 | 0·037 | 0·008 | 0·026 | 0·029 | 0·096 |
| Phellopterin | 0·014 | 0·047 | 0·011 | 0·038 | 0·006 | 0·021 | 0·023 | 0·077 |
| Cnidilin | 0·008 | 0·027 | 0·007 | 0·023 | 0·004 | 0·014 | 0·014 | 0·047 |
| Isoimperatorin | 0·037 | 0·122 | 0·025 | 0·082 | 0·018 | 0·062 | 0·066 | 0·220 |
| Epoxybergamottin | 0·238 | 0·794 | 0·100 | 0·332 | 0·118 | 0·392 | 0·255 | 0·851 |
| Cnidicin | 0·009 | 0·030 | 0·003 | 0·011 | 0·004 | 0·014 | 0·010 | 0·033 |
| 8-Geranyloxypsoralen | 0·016 | 0·054 | 0·003 | 0·009 | 0·004 | 0·014 | 0·007 | 0·023 |
| Bergamottin | 0·038 | 0·128 | 0·007 | 0·023 | 0·010 | 0·032 | 0·012 | 0·039 |