
<p>ORYZA OIL & FAT CHEM ICAL CO., LTD. </p><p><strong>WALNUT POLYPHENOL </strong></p><p><strong>Hepatoprotective & Anti-oxidative Extract </strong><br><strong>For Metabolic Syndrome </strong></p><p><strong>■</strong></p><p><strong>WALNUT POLYPHENOL-P10,P30 </strong></p><p><strong>(Powder,Food Grade) </strong></p><p><strong>■■■■</strong></p><p><strong>WALNUT POLYPHENOL-WSP10 </strong></p><p><strong>(Water-soluble Powder,Food Grade) </strong></p><p><strong>WALNUT POLYPHENOL-PC10,PC30 </strong></p><p><strong>(Powder,Cosmetic Grade) </strong></p><p><strong>WALNUT POLYPHENOL-WSPC10 </strong></p><p><strong>(Water-soluble Powder,Cosmetic Grade) </strong></p><p><strong>WALNUT POLYPHENOL-LC </strong></p><p><strong>(Water-soluble Liquid,Cosmetic Grade) </strong></p><p><strong>■</strong></p><p><strong>WALNUT SEED OIL </strong></p><p><strong>(Oil,Food&CosmeticGrade) </strong></p><p><strong>ORYZA OIL & FAT CHEMICAL CO., LTD </strong></p><p><strong>ver. 1.0 HS </strong><br><strong>W ALNUT POLYPHENOL ver.1.0 HS </strong></p><p><strong>WALNUT POLYPHENOL </strong></p><p><strong>Hepatoprotective & Anti-oxidative Extract For Metabolic Syndrome </strong></p><p><strong>1. Introduction </strong></p><p>Recently, there is an increased awareness on metabolic syndrome – a condition characterized by a group of metabolic risk factors in one person. They include abdominal obesity, atherogenic dyslipidemia, elevated blood pressure, insulin resistance, prothrombotic state & proinflammatory state. The dominant underlying risk factors appear to be abdominal obesity and insulin resistance. In addition, non-alcoholic fatty liver disease (NAFLD) is the most commonly associated “liver” manifestation of metabolic syndrome which can progress to advance liver disease (e.g. cirrhosis) with associated morbidity and mortality. Lifestyle therapies such as weight loss significantly improve all aspects of metabolic syndrome, as well as reducing progression of NAFLD and cardiovascular mortality. <br>Walnut (<em>Juglans regia </em>L. seed) is one the most popular nuts consumed in the world. <br>It is loaded in polyunsaturated fatty acids – linoleic acid (LA), oleic acid and α-linolenic acid (ALA), an ω3 fatty acid. It has been used since ancient times and epidemiological studies have revealed that incorporating walnuts in a healthy diet reduces the risk of cardiovascular diseases. Recent investigations reported that walnut diet improves the function of blood vessels and lower serum cholesterol. Nevertheless, walnut is rich in micronutrients (vitamins & minerals), plant sterols and polyphenols. <br>A joint research project was conducted between Oryza Oil & Fat Chemical Co., Ltd. and Pola Chemical Industries, Inc. to study the physiological effects of testa of walnut. Various hydrolysable polyphenolic compounds were identified which are potent antioxidants and liver protective. Correspondingly, Walnut Polyphenol is believed to be beneficial in the treatment of metabolic syndrome. </p><p>Outer pericarp </p><p>Seed </p><p><strong>Seed coat </strong></p><p>Endocarp </p><p>Fig. 1. Walnuts(<em>Juglans regia </em>L.) </p><p>1</p><p><strong>W ALNUT POLYPHENOL ver.1.0 HS </strong></p><p><strong>2. WALNUT POLYPHENOLS </strong></p><p>Most polyphenolic compounds of walnut are loaded in the testa of walnut fruit as illustrated in Fig. 2. These are hydrolysable polyphenolic compounds as shown in Fig. 3 and its principle constituents are as listed in Table 1. </p><p>Table 1. Principle Polyphenolic </p><p><strong>Total polyphenol (%) </strong></p><p>Constituents and Their Respective Distribution in Walnut </p><p><strong>Seed coats </strong></p><p>(%) </p><p><strong>Seeds </strong></p><p>Pedunculagin (<strong>1</strong>) Ellagic acid (<strong>5</strong>) </p><p>Tellimagrandin I (<strong>6</strong>) </p><p>Casuarictin (<strong>7</strong>) </p><p>16.0 15.8 <br>6.6 </p><p><strong>Dried whole seeds </strong><br><strong>Whole seeds </strong></p><ul style="display: flex;"><li style="flex:1"><strong>0</strong></li><li style="flex:1"><strong>1</strong></li><li style="flex:1"><strong>2</strong></li><li style="flex:1"><strong>3</strong></li><li style="flex:1"><strong>4</strong></li></ul><p></p><p>4.1 <br>Tellimagranin II (<strong>10</strong>) </p><p>Rugosin C (<strong>11</strong>) Casuarinin (<strong>12</strong>) </p><p>Fukuda T. <em>et al</em>., <em>BioFactors</em>, <strong>21</strong>, </p><p>251-253 (2004). <br>1.2 1.8 1.0 <br>Fig. 2. The Content of Polyphenols in Walnut (%) (Fukuda T. Polyphenols from walnuts: Structures and functions. IFT 2006 Annual Meeting, Orland, Florida, June 24-28, 2006) </p><p></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>HO CH</strong><sub style="top: 0.085em;"><strong>2 </strong></sub></li></ul><p><strong>O</strong></p><p><strong>O</strong><br><strong>HO </strong><br><strong>HO </strong><br><strong>OH </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OH </strong><br><strong>HO CH</strong><sub style="top: 0.09em;"><strong>2 </strong></sub><br><strong>OH </strong><br><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>HO </strong><br><strong>O</strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>CH</strong><sub style="top: 0.085em;"><strong>2 </strong></sub></li><li style="flex:1"><strong>CO </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>OC </strong></p><p><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OC </strong></li></ul><p><strong>OH </strong><br><strong>OO</strong><br><strong>O</strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p></p><p><strong>HO </strong><br><strong>O</strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>CH</strong><sub style="top: 0.085em;"><strong>2 </strong></sub></li></ul><p><strong>OH OH OH </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>O</strong></li></ul><p><strong>CO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p></p><p><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>O</strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OC </strong></li></ul><p><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>O OC </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>CO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OC </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>HO </strong><br><strong>OH </strong><br><strong>HO </strong></p><p><strong>2,3-O-(S)-HHDP-D- glucopyranose (2) </strong></p><p><strong>OH </strong></p><p><strong>Strictinin (4) </strong></p><p><strong>OH </strong><br><strong>HO HO </strong><br><strong>OH OH </strong><br><strong>OH </strong><br><strong>HO OH </strong></p><p><strong>Isostrictinin (3) </strong></p><p><strong>OH </strong><br><strong>HO </strong></p><p><strong>Pedunculagin (1) </strong></p><p><strong>OH </strong><br><strong>OH </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>OH </strong><br><strong>OH </strong></p><p><strong>OH </strong><br><strong>HO HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OC </strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>CH</strong><sub style="top: 0.0849em;"><strong>2 </strong></sub></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>O</strong></li></ul><p><strong>O</strong><br><strong>OC </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OH OH </strong><br><strong>CO </strong><br><strong>HO </strong></p><p><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OC </strong></li></ul><p><strong>O</strong><br><strong>OH OH </strong><br><strong>CH</strong><sub style="top: 0.085em;"><strong>2 </strong></sub><br><strong>HO </strong></p><p><strong>HO </strong><br><strong>O</strong><br><strong>OC </strong><br><strong>CH</strong><sub style="top: 0.0901em;"><strong>2 </strong></sub></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OH </strong><br><strong>O</strong></p><ul style="display: flex;"><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>OC </strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>O</strong></li></ul><p><strong>O</strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OC </strong></li></ul><p><strong>O OC </strong></p><p><strong>OH </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>H</strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p></p><p><strong>HO </strong><br><strong>O</strong><br><strong>HO </strong></p><p><strong>HO </strong><br><strong>O</strong></p><ul style="display: flex;"><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>HO </strong><br><strong>CO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>CO </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>OH OH </strong><br><strong>OH </strong><br><strong>O</strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OH </strong><br><strong>O</strong><br><strong>HO </strong></p><p><strong>HO </strong><br><strong>HO HO </strong></p><p><strong>Tellimagrandin I (6) </strong><br><strong>Ellagic acid (5) </strong></p><p></p><ul style="display: flex;"><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OH </strong></p><p><strong>OH </strong><br><strong>OH </strong></p><p><strong>Casuarictin (7) </strong><br><strong>Stenophyllanin A (8) </strong></p><p><strong>HO </strong><br><strong>HO </strong><br><strong>OH OH OH </strong><br><strong>OH OH OH </strong><br><strong>HO HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>O</strong></li></ul><p><strong>HO HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>CH</strong><sub style="top: 0.0849em;"><strong>2 </strong></sub></li><li style="flex:1"><strong>OH </strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>CH</strong><sub style="top: 0.0851em;"><strong>2 </strong></sub></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OH </strong><br><strong>OO</strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>O</strong></li></ul><p><strong>O</strong><br><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>O OC </strong></li></ul><p><strong>OH </strong></p><p><strong>OH OH </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>O</strong></li></ul><p><strong>HO HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>O</strong><br><strong>OC </strong></p><ul style="display: flex;"><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>HOOC </strong></li><li style="flex:1"><strong>CH</strong><sub style="top: 0.0849em;"><strong>2 </strong></sub></li><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>OC </strong></li></ul><p><strong>O</strong><br><strong>OC </strong><br><strong>OC </strong><br><strong>OH </strong></p><p><strong>OH </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OH </strong><br><strong>OO</strong><br><strong>OC </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>HO </strong><br><strong>OH H</strong><br><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>HO </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>CO </strong></li></ul><p><strong>OH </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>OH OH </strong><br><strong>HO HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>O</strong></li><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>OC </strong></li></ul><p></p><ul style="display: flex;"><li style="flex:1"><strong>CH</strong><sub style="top: 0.085em;"><strong>2 </strong></sub></li><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>O</strong></p><p><strong>O</strong><br><strong>OO</strong><br><strong>OC </strong></p><p><strong>Tellimagrandin II (10) </strong></p><p><strong>O OC OH </strong></p><p><strong>1,2,3,4,6-Penta-O-galloyl-β- D-glucopyranose (9) </strong></p><p><strong>HO HO </strong><br><strong>OH </strong><br><strong>HO </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>CO </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>OH </strong></p><ul style="display: flex;"><li style="flex:1"><strong>OC </strong></li><li style="flex:1"><strong>OH </strong></li></ul><p><strong>HO HO </strong></p><p><strong>Casuarinin (12) </strong></p><p></p><ul style="display: flex;"><li style="flex:1"><strong>OH </strong></li><li style="flex:1"><strong>HO </strong></li></ul><p><strong>OH </strong></p><p><strong>Rugosin C (11) </strong></p><p>Fig. 3. Chemical Structures of Hydrolysable Polyhenolic Compounds of Walnut <br>2</p><p><strong>W ALNUT POLYPHENOL ver.1.0 HS </strong></p><p>SOD like activity </p><p>SOD様活性 </p><p>Casuarinin (12) </p><p>Csuarinin (12) </p><p>54.0 </p><p>EC<sup style="top: -0.01em;">50 </sup>(µg/mL) </p><p>Rugosin C (11) </p><p>50.0 </p><p>Tellimagrandin II (10) </p><p>89.0 </p><p>1,2,3,4,6-Penta-O-galloyl-β-D-glucopyranose (9) <br>Stenophyllanin A (8) </p><p>60.0 <br>43.0 </p><p>Casuarictin (7) </p><p>73.0 </p><p>Tellimagrandin I (6) </p><p>42.0 </p><p>Ellagic acid (5) </p><p>28.1 </p><p>Strictinin (4) </p><p>31.0 </p><p>Isostrictinin (3) </p><p>30.0 </p><p>2,3-O-(HHDP)-D-glucopyranose (2) <br>Pedunculagin (1) </p><p>80.1 <br>50.0 </p><p>クルミポリフェノール </p><p>WALNUT POLYPHENOL </p><p>29.5 </p><ul style="display: flex;"><li style="flex:1">0</li><li style="flex:1">20 </li><li style="flex:1">40 </li><li style="flex:1">60 </li><li style="flex:1">80 </li><li style="flex:1">100 </li></ul><p></p><p>DPPH radical scavenging activity </p><p>DPPHラジカル消去能 </p><p>Casuarinin (12) </p><p>Csuarinin (12) </p><p>0.7 </p><p>50 </p><p>(µg/mL) </p><p>EC <br>Rugosin C (11) </p><p>0.4 0.4 </p><p>Tellimagrandin II (10) <br>1,2,3,4,6-Penta-O-galloyl-β-D-glucopyranose (9) <br>Stenophyllanin A (8) </p><p>1.0 <br>0.5 <br>0.4 <br>0.6 </p><p>Casuarictin (7) <br>Tellimagrandin I (6) <br>Ellagic acid (5) </p><p>1.2 </p><p>Strictinin (4) </p><p>1.7 </p><p>Isostrictinin (3) </p><p>1.1 </p><p>2,3-O-(HHDP)-D-glucopyranose (2) <br>Pedunculagin (1) </p><p>2.1 <br>3.7 <br>26.2 </p><p>WALNUT POLYPHENOL </p><p>クルミポリフェノール </p><p></p><ul style="display: flex;"><li style="flex:1">0</li><li style="flex:1">1</li><li style="flex:1">2</li><li style="flex:1">3</li><li style="flex:1">4</li><li style="flex:1">5</li></ul><p></p><p></p><ul style="display: flex;"><li style="flex:1">Fig. 4. </li><li style="flex:1">(top) SOD Antioxidant Activity of Walnut Polyphenols </li></ul><p>(bottom) DPPH Antioxidant Activity of Walnut Polyphenols <br>Fukuda T., <em>et al.</em>, Antioxidative polyphenols from walnuts (<em>Juglans regia </em>L.). </p><p><em>Phytochemistry</em>, <strong>63</strong>, 795-801 (2003). </p><p>EC<sub style="top: 0.125em;">50</sub>: 50% effective concentration of sample <br>3</p><p><strong>W ALNUT POLYPHENOL ver.1.0 HS </strong></p><p><strong>3. Hepatoprotective Effect of WALNUT POLYPHENOLS </strong></p><p><strong>( I ) In vivo </strong></p><p>Liver is the second largest organ in the human body. It plays a major role in metabolism of human body including glycogen storage, plasma protein synthesis and drug detoxification. It regulates a wide variety of high volume biochemical reactions and breaks down toxic substances (e.g. chemicals, viruses, alcohol etc) which may result in toxication (Fig. 5). </p><p>Fig. 5. Liver Functions and The Effect of Walnut Polyphenols on Liver Health </p><p><strong>( a ) The effect of Walnut Polyphenols on CCl</strong><sub style="top: 0.125em;"><strong>4</strong></sub><strong>-induced liver damage in mice model </strong><br><strong>(detoxification) </strong></p><p>The effect of Walnut Polyphenols on CCl<sub style="top: 0.125em;">4</sub>-induced liver damage was studied. <strong>This </strong></p><p><strong>model is a simulated human hepatitis model as a result of oxidative stress and </strong></p><p><strong>toxication. </strong>Upon liver damage, the liver enzymes GOT (glutamate oxaloacetate transaminase) and GPT (glutamic pyruvic transaminase) infiltrate into the blood stream resulting in elevated serum GOT & GPT levels. Walnut Polyphenols demonstrated a dose dependent lowering effect in GOT & GPT in CCl<sub style="top: 0.125em;">4</sub>-induced liver damage in mice model (Fig. 6). Meanwhile, Walnut Polyphenols is more superior than Curcumin, a commonly used hepatoprotective agent. </p><p>10000 </p><p>GOT </p><p>9000 </p><p>GPT </p><p>8000 7000 6000 5000 </p><p>*<br>** </p><p>4000 3000 2000 1000 <br>0</p><p>*<br>*</p><p>** </p><p></p><ul style="display: flex;"><li style="flex:1">Control </li><li style="flex:1">100 </li><li style="flex:1">200 </li><li style="flex:1">Curcumin 200 </li></ul><p>Dose (mg/kg) </p><p>Fig. 6. The Effect of Walnut Polyphenols on CCl<sub style="top: 0.125em;">4</sub>-induced liver damage in mice model(n=8, mean±S.E., *: <em>p</em><0.05, **: <em>p</em><0.01) </p><p>4</p><p><strong>W ALNUT POLYPHENOL ver.1.0 HS </strong></p><p>【Method of Experiment】 <br>Fasting mice (ddY, male, 5-wk old) were orally fed Walnut Polyphenols. One hour later, back of mice were subcutaneously injected with 10% CCl<sub style="top: 0.125em;">4 </sub>previously diluted in olive oil (5ml/kg). Blood samples were collected 20 hours later for measurement of serum GOT and GPT. </p><p><strong>( b ) The Effect of Walnut Polyphenols on D-galactosamine–induced liver damage in mice (detoxification) </strong></p>
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