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Table 4 Polyhydroxyphenols (polyphenols) as electron shuttles in plants

From: Polyphenolic compounds as electron shuttles for sustainable energy utilization

Model polyphenols

Contents in plant species

Refs.

A. Derivatives of phenylpropanoids

 Caffeic acid

1.05–62.84 mg in 100 g dry samples of Echinacea purpurea

[53]

773 mg phenolics (as caffeic acid) in 5 g sample of Ilex paraguariensis

[54]

0.62 mg/g of Monarda fistulosa L.

[55]

7.99–19.75 mg in 100 g dry samples of Salvia apiana

[53]

1.98% in Salvia officinalis L.

[56]

1.4% in Thymus vulgaris L.

[56]

 Caffeoylquinic acid

~ 11 mg/g dry sample of Akebia quinata

[57]

0.740% in dry sample of Cynara scolymus

[58]

773 mg phenolics (as caffeoylquinic acid)/5 g sample of Ilex paraguariensis

[54]

723 mg/100 g fresh samples of Vallaris glabra

[59]

 Monocaffeoyl tartaric acid

223 μg caffeic acid (as monocaffeoyl tartaric acid)/g in fresh leaves of Cichorium intybus L.

[60]

 Calceolarioside

~1 mg/g dry sample of Akebia quinata

[57]

 Chlorogenic acid

566.5 μg of caffeic acid (as chlorogenic acid)/g fresh leaves of Cichorium intybus

[60]

4.713% in dry sample of Cynara scolymus

[58]

2.60% in dry samples of Eucommia ulmoides

[61]

6.14% in dried plant samples of Lonicera japonica

[62]

1.22% in Salvia officinalis L.

[56]

0.22% in dry leaves weight of Taraxacum officinale Wigg

[63]

1.02% in dry leaves weight of Vaccinum arctostaphylos L.

[63]

 Cichoric acid (chicoric acid)

1535 μg/g fresh leaves of Cichorium intybus

[60]

0.41% in dry aerial parts weight of Chicorium intybus

[63]

42.37–258.70 mg caffeic acid (as chicoric acid)/100 g dry samples of Echinacea purpurea

[53]

88.5 mg in 100 g fresh weight of Ocimum basilicum L.

[64]

0.77% in dry leaves weight of Taraxacum officinale Wigg

[63]

 Cynarin

1.689% in dry sample of Cynara scolymus

[58]

 Danshensu

24.8% in crude aqueous extract of Salvia miltiorrhiza

[65]

 Echinacoside

42.71% in 210 g crude phenyl ethanol glycosides extract from dried and sliced rhizomes of Cistanche tubulosa (6.0 kg)

[66]

 Forsythiaside

16.7 mg from 500 g Forsythia suspense

[67]

 Gravolenic acid

Ruta graveolen

[68, 69]

 Nordihydroguaiaretic acid (NDGA)

0.0898% in the dried weight of Larrea divaricata

[70]

 Orobanchoside

3% from Orobanche rapum-genistae

[71]

 Pedicularioside

70 mg from 13.5 kg Buddleia lindleyan

[72]

 Rosmarinic acid

9.30 mg/g S. africana-lutea

[55]

3.68% from dry weight basis in 40 Mentha × piperita Clones

[73]

622.28 mg caffeic acid (as rosmarinic acid)/100 g dry samples of Melissa officinalis

[53]

15.15% in Origanum majorana L.

[56]

8% of rosemary extract from 50 g dried leaves of Rosmarinus officinalis L.

[74]

4.8 g from dried roots of Salvia miltiorrhiza (32 kg)

[75]

17.85% in Salvia officinalis L

[56]

 Salvianolic acid A

0.7 g from the dried roots of Salvia miltiorrhiza (32 kg)

[75]

11.96 g residue from the dried roots of Salvia miltiorrhiza (30 kg)

[76]

 Salvianolic acid B (lithospermic acid B)

2.06 g from the dried roots of Salvia miltiorrhiza (32 kg)

[75]

33.93 mg/g in Salvia miltiorrhiza (Danshen)

[77]

 Salvianolic acid C

0.4 g from dried roots of S Salvia miltiorrhiza (Danshen) (32 kg)

[75]

 Tubuloside (A, B, C, D)

Tubuloside A (II) 200 mg; Tubuloside B (VI) 100 mg; Tubuloside C (VII) 60 mg; Tubuloside D (VIII) 65 mg from fresh whole plants of Cistanche tubulosa (Schrenk) (22 kg)

[78]

 Verbascoside (acteoside)

0.009% (pure compound) from dried leaves (1 kg) of Buddleja globosa

[79]

16 g isolated from dried and ground leaves of Buddleja cordata (2.3 kg)

[80]

361.2 mg from the fresh whole plants (246 g) of Byblis liniflora Salisb.

[81]

14.27% in 210 g crude phenyl ethanol glycosides extract from dried and sliced rhizomes of Cistanche tubulosa (6.0 kg)

[66]

0.50 g from 35 g Lantana camara

[82]

0.43 g from 35 g dry Lippia. javanica

[82]

1.7% from dry weight of Olea europaea

[83]

6% from the dried plant (Orobanche rapum-genistae)

[71]

11.3 mg/mL (n-butanol extracts from dried and powdered leaves of Phlomis species (100 g))

[84]

3–8% in Plantago lanceolata

[85]

0.612 mg/g dry extract of Verbascum mallophorum

[86]

0.18–3.03% of the dry weight Verbascum leaves

[87]

30.31 mg/g dry weight of Verbascum nigrum

[87]

~ 3.7% in MeOH extract from ground aerial parts (1.3 kg) of Verbena officinalis

[88]

13.28 mg/g dry weight of Verbascum phoeniceum species

[87]

15.79 mg/g dry weight of Verbascum xanthophoeniceum

[87]

B-1. Quinones and derivatives

 Hydroxyechinofuran B

Hydroxyechinofuran B (15 mg) from 1 g of fresh hairy roots of Lithospermum erythrorbizon

[89]

 6-(4,7-Hydroxy-heptyl) cyclohex-2,5-diene-ene-1,4-dione (6-(4,7-hydroxy-heptyl) quinone)

the new quinone isolated from ten grams of crude ethyl acetate extract of 500 g Pergularia daemia leaves

[90]

 Scabequinone

~ 7 × 10−3 % from fresh Cyperus distans weight

[91]

 2,6-Dimethoxyquinone

~ 0.002% based on root of Rauwolfia vomitoria

[92]

1.1% of aqueous methanol fraction from 15 g dried stems of Tibouchina pulchra

[93]

 2,5-Dihydroxy-3-undecyl-para-benzoquinone (Embelin)

1.9 g embelin from 100 g of Embelia ribes extracted using hexane

[94]

B-2. Catechol and derivatives

 Catechol (1,2-dihydroxybenzene).

0.1–0.2 g of crude catechol from 100 g of dry scales of pigmented onion scales (Allium cepa)

[95]

 Protocatechuic acid (3,4-dihydroxybenzoic acid)

~ 0.1 g/100 g dry scales of pigmented onion scales (Allium cepa)

[96]

 Carnosic acid

3.77% in Salvia officinalis L.

[56]

7.57% in Thymus vulgaris L.

[56]

 Dopaol beta-d-glucoside (2-(3,4-dihydroxyphenyl) ethyl β-d-gluco-pyranoside)

~ 3 mg/g dry sample of Akebia quinata

[57]

 Horminone

0.4 g from about 1 kg of the dried whole plant (aerial parts and roots of Salvia lanata)

[97]

B-3. Naphthoquinones and derivatives

 3′3-Biplumbagin

~ 10% from the n-hexane extracts of stem bark (20 g) of Diospyros anisandra

[98]

 Diosquinone

120 μg from 5 kg of the dried root of Diospyros mespiliformis

[99]

 Droserone

~ 70% from the n-hexane extracts of stem bark (20 g) of Diospyros anisandra

[98]

 Maritinone

~ 5% from the n-hexane extracts of stem bark (20 g) Diospyros anisandra

[98]

 Plumbagin

~ 30% from the n-hexanic extracts obtained from Powdered stem bark (20 g) Diospyros anisandra

[98]

34 mg from 5 kg of the dried root of Diospyros mespiliformis

[99]

 Shikonin (derivatives)

12.4% shikonin derivatives in cells corresponding to 3 g dry wt. inoculated on 1 L of the medium of Lithospermum erythrorhizon

[100]

 Vitamin K

Spinach, swiss chard, lettuce and Brassica vegetables (such as cabbage, kale, cauliflower, broccoli, and brussels sprouts), avocados, kiwifruit and grapes

[101]

B-4. Anthraquinones and derivatives

1.9% free and 4.5% total anthaquinones in Cassia occidentalis roots

[102]

hydroxyanthraquinones indicated in Cassia angustifolia Vahl, Cassia senna Linn. and Cassia tora

[103]

0.04 to 3.8, 5.9 and 36 mg total anthraquinones per kg fresh weight in peas, cabbage, lettuce and beans, respectively

[103]

Alizarin (1,2-dihydroxyanthraquinone)

39 mg from Rubia cordifolia L. root powder (3 kg)

[104]

147.9 and 216.8 μg/g dry weight of Rubia peregrina in roots and callus, respectively

[105]

939.6 and 335.2 μg/g dry weight of Rubia tinctorum in roots and callus, respectively

[105]

Chrysophanol

140 mg from powdered roots of Rumex nepalensis (2 kg)

[106]

1,3,8-Trihydroxy-6-methylanthracene-9,10-dione (Emodin, Emodol, Schuttgelb)

0.1 g/8 kg (0.0012%) of Aster tataricus

[107]

79 mg from Cassia obtusifolia seeds (4.9 kg)

[108]

2.03 mg/g in Frangula alnus bark

[109]

16.2 mg from 928 g of the ethanol extract (9% (g/g)) of the dried stem and roots of Polygonum hypoleucum Ohwi

[110]

105 mg from powdered roots of Rumex nepalensis (2 kg)

[106]

0.31% (w/w) from shade-dried plant samples of Ventilago madraspatana (500 g)

[111]

Emodin-8-O-β-d-glucopyranoside

17.4 mg from 928 g of the ethanol extract (9% (g/g)) of Polygonum hypoleucum Ohwi)

[110]

35 mg from powdered roots of Rumex nepalensis (2 kg)

[106]

Endocrocin

7 mg from powdered roots of Rumex nepalensis (2 kg)

[106]

Isomangiferin

15 mg/g in Anemarrhena asphodeloides Bunge

[112]

2 mg/g in Anemarrhenae Rhizoma)

[112]

Mangiferin

31 mg/g in Anemarrhena asphodeloides Bunge

[112]

16 mg/g in Anemarrhenae Rhizoma

[112]

Neomangiferin

16 mg/g in Anemarrhena asphodeloides Bunge

[112]

8 mg/g in Anemarrhenae Rhizoma

[112]

Munjistin

Two major anthraquinones (munjistin and purpurin) representing 90% of the total anthraquinone yield from Rubia cordifolia L.calluses

[113]

Physcion

0.11 mg/g in Frangula rupestris bark (Scop.)

[109]

8 mg from powdered roots of Rumex nepalensis (2 kg)

[106]

0.22% (w/w) from shade-dried plant samples of Ventilago madraspatana (500 g)

[111]

Purpurin

Two major anthraquinones (munjistin and purpurin) representing 90% of the total anthraquinone yield from Rubia cordifolia L.calluses

[113]

C. Derivatives of flavonoids

  

 Azaleatin

2 × 10−3 % from Plumbago indica

[114]

 Catechin

10.9 (mg/g) catechin from Abies pindrow

[115]

75 (mg/g) in catechu resin chunks (Acacia catechu)

[116]

2.67 (mg/g) from Cedrus deodara

[115]

358 mg from 100 g dry matter in Chardonnay seeds

[117]

127 mg from 100 g dry matter in Merlot seeds,

[117]

12 mg from 100 g dry matter in Muscadine seeds

[117]

the total catechins content in green tea ranges from 9 to 117 mg/g of dry weight of green tea leaves

[118]

6.15(mg/g) from Pinus gerardiana

[115]

13.3 (mg/g) from Pinus roxburghii

[115]

5.78 (mg/g) from Pinus wallichiana

[115]

12.7 mg isolated from 928 g of the ethanol extract (9% (g/g)) of Polygonum hypoleucum Ohwi

[110]

21.8 (mg/g) from Taxus fuana

[115]

3.6 mg/g (dry weight) of red wine wastes from Vitis vinifera

[119]

56 mg/g (dry weight) of white wine wastes from Vitis vinifera

[119]

total catechins, including EGCG, ECG, EC and EGC, accounted for 10.1 g/100 g dry longjing tea leaves

[120]

 Cedeodarin

3.23 (mg/g) from Cedrus deodara

[115]

 Epicatechin

15 (mg/g) in catechu resin chunks (Acacia catechu)

[116]

421 mg in 100 g dry matter in Chardonnay seeds

[117]

115 mg in 100 g dry matter in Merlot seeds

[117]

96 mg in 100 g dry matter of Muscadine seeds

[117]

3.1 mg/g dry weight of red wine wastes from Vitis Vinifera

[119]

100 mg/g dry weight of white wine wastes from Vitis Vinifera

[119]

7.5 mg isolated from 928 g of EP the ethanol extract (9% (g/g)) of Polygonum hypoleucum Ohwi)

[110]

Epicatechin < 11 mg/g tea

[121]

 Epicatechin-3-O-gallate

21 (mg/g) in catechu leaves (Acacia catechu)

[116]

 Eriocitrin

14.98% (with a concentration range of 6.6–15.0%) in Mentha × piperita

[73]

 Isomangiferin

15 mg/g in Anemarrhena asphodeloides Bunge

[112]

2 mg/g in Anemarrhenae rhizoma

[112]

 Mangiferin

31 mg/g in Anemarrhena asphodeloides Bunge)

[112]

16 mg/g in Anemarrhenae Rhizoma

[112]

 Luteolin-7-O-glucuronide

1650 μg rutin (as luteolin-7-O-glucuronide)/g fresh leaves of Cichorium intybus

[60]

Quercetin and luteolin glycosides up to 21% and 38% for radicchio di Chioggia and radicchio di Treviso respectively

[60]

 Luteolin-7-O-rutinose

0.420% in dry sample of Cynara scolymus L.

[58]

9.38% in Origanum majorana L.

[56]

8.61% in Salvia officinalis L.

[56]

7.65% in Thymus vulgaris L.

[56]

2.32% (dry Weight Basis) in 40 Mentha × piperita Clones

[73]

 Quercetin

9.3 mg from the air-dried and powered rhizomes of Alpinia officinarum (3.2 kg)

[123]

Quercetin (1.6 g/8 kg) (0.02%) in Aster tataricus

[107]

Quercetin and luteolin glycosides up to 21% and 38% for radicchio di Chioggia and radicchio di Treviso, respectively

[60]

Rutin ~ 190 mg/g) and quercetin ~ 14 mg/g) from Sophora japonica L. buds

[122]

 Quercetin 3-O-glucuronide

1055 μg as rutin/g in fresh leaves of Cichorium intybus

[60]

 Quercetin 7-O-glucoside

2.52% in Salvia officinalis L.

[56]

1.72% in Thymus vulgaris L.

[56]

 Dihydroquercetin (taxifolin)

5.98 (mg/g) in Cedrus deodara

[115]

2.65 (mg/g) in Pinus roxburghii

[115]

 Theaflavin

1.58 g/100 g dry leaves of qimen black tea

[124]

D. Anthocyanidin

Cyanidin and peonidin glycoside representing 37.1% of total anthocyanins in bilberries, and 17.6% in blueberries

[125]

 Cyanidin

Cyanidin and peonidin glycoside representing 37.1% of total anthocyanins in bilberries, and 17.6% in blueberries

[125]

 Cyanidin 3-O-glucoside

536 μg keracyanin (as cyanidin 3-O-glucoside)/g in fresh leaves of Cichorium intybus

[60]

Red grapes, bilberry, blackberry, blueberry, cherry, cranberry, elderberry, hawthorn, loganberry, açai berry and raspberry

[125]

 Cyanidin 3-O-(6″malonyl)-glucoside

4790 μg keracyanin (as cyanidin 3-O-(6″malonyl)-glucoside)/g in fresh leaves of Cichorium intybus

[60]

 Petunidin (Petunidol; Myrtillidin)

red grapes, bilberry, blackberry, blueberry, cherry, chokeberries, cranberry, elderberry, hawthorn, loganberry, açai berry and raspberry

[125]

E. Tannin; ellagic acid

Strawberries (630 μg/g dry wt), raspberries (1500 μg/g dry wt), blackberries (1500 μg/g dry wt), walnuts (590 μg/g dry wt), pecans (330 μg/g dry wt), cranberries (120 μg/g dry wt)

[126]