120621---Seasonal-spices-blog-1

Seasonal Spices and Their Health Benefits

When we think about spices this time of year, we think of those that create warmth and provide comfort. Anise, allspice, cardamom, cinnamon, cloves, ginger, and nutmeg are popular spices in the fall and winter. They are interwoven into the season for the warmth they create but can be used year-round. Spices have been used for centuries for their medicinal purposes, and as flavoring agents and to preserve food. While including spices in your meals is a great way to enhance flavor, it significantly increases their healthfulness since they are a rich source of polyphenols and antioxidants. Here we break down each of these spices, tell a little about their health benefits and give you a few ideas on foods they pair well with.

120621---Anisa---BlogAnise: Anise comes in different varieties; seed, fennel, and star. It is known for its licorice flavor that comes from a compound call anethole. Anethole is found naturally in high concentrations in the oils of anise and is used in a variety of medicines and pharmaceuticals (1). Anise pairs well with fish and stews. Star anise is one of the main ingredients in Chinese 5 spice powder and Chinese cuisine (2).

120621---Allspice---BlogAllspice: Allspice is derived from the dried berries of the Caribbean tropical tree, Pimenta dioica. It is used in Central American cuisines (i.e. think jerk dishes in Jamaican cuisine) for seasoning meat and desserts. It is rich in polyphenols known for their anti-bacterial, anti-hypotensive, anti-neuralgic, and analgesic properties and studies in animals show some of the compounds it contains may offer protection against tumor growth (3,4).

120621---Cardamom-(Green)---BlogCardamom (Green): Cardamom is a part of the same family as ginger and is made from the seeds of different plants. Studies have shown it plays a role in oxidative stress by enhancing anti-inflammatory enzymes. Its benefits are diverse in that it’s been linked to improvements in blood sugar and lipid markers (5), gastrointestinal health as well as a potential role in chemoprevention (6). It has a sweet and pungent taste and pairs well with chicken and lamb and is used in Indian and Middle Eastern cuisine.

120621--Cinnamon--BlogCinnamon: Cinnamon comes from the inner bark of several trees. While it's popular for its role in many foods as a flavoring agent and condiment, it is well known in the literature for lowering blood sugar levels (6). Cinnamon pairs well with many spices, apples, cocoa, breakfast and brunch options and can be found in Indian, Mexican, Moroccan and Middle Eastern cuisine.

120621---Cloves---BlogCloves: Cloves have one of the highest polyphenol counts clocking in at 16047.50 mg/100 g. It has antibacterial, antiviral, and antifungal properties which are largely attributed to its high polyphenols and unique oils. When it comes to food they pair well with baked ham and pork and work well with many other spices too.

120621---Ginger---BlogGinger: Ginger is a root derived from the Ginger plant, a member of the turmeric family. It is thought to have originated in India. It is used in foods for its hot, fragrant spice but also is popular in medicine (1). Studies have shown its role in combating nausea, minimizing inflammation, managing blood lipids, aiding in tumor suppression and growth, and as anti-bacterial agent, too.

120621---Nutmeg---BlogNutmeg: Nutmeg and mace are relatives in that they come from different parts of the same tree. They are derived from an evergreen tree indigenous to the Spice Islands in Indonesia (1). Nutmeg leans a bit sweeter in taste and while there are many foods it can be used with it pairs well with cheese/cheese dishes, cream, milk and spinach. This is one of the primary spices you’ll find in Eggnog during the holiday season (2). A little goes a long way when it comes to flavor.


Favorite Fall and Winter Spices

Did you know that your favorite seasonal spices can easily be made at home as they are just combinations of the spices above?

Gingerbread Spice: Ginger, Cinnamon, Nutmeg, Cloves, and Allspice

Pumpkin Pie Spice: Cinnamon, Ginger, Nutmeg, and Cloves

Apple Pie Spice: Cinnamon, Ginger, Nutmeg, and Cardamom


Why Dr. Sears Like Using Spices

The best raw fruits (primarily berries) contain about 0.1 % of weight as polyphenols, raw vegetables about 0.2%. Dried spices are about 5% of their weight as polyphenols. This why they are so bitter. The ultimate benefit of polyphenosl is to activate AMPK which in turn inhibits Nuclear Factor Kappa B (NF-kB). This reduces cytokine formation. Most polyphenols are totally water-insoluble and therefore can't be absorbed. However, they can be metabolized by bacteria in the colon to smaller fragments containing phenolic structures that can be absorbed. This is why we recommend consuming various sources of polyphenols during the day; fruits, vegetables, spices and also maqui berry. The beauty of maqui berry polyphenols is they are directly absorbed by the body to have maximal impact on activation of AMPK.

Tips For Incorporating into Your Foods

We tend to be creatures of habit with our meal prep, but spices have a way of elevating the taste of anything we make to have it feel new and different. To avoid over-powering your dishes start adding a sprinkle or pinch first and then add small amounts as needed. Here are a few ways to add them into your day.

  1. Add them into your roasted vegetable mixes and stir-fries
  2. Rub on top of your meats for cooking or use them in your marinades
  3. Mix into yogurt and oatmeal
  4. Add into sour cream, plain yogurt and hummus for dipping vegetables and fruit
  5. Sprinkle them on top of your coffee grounds or into your tea before brewing
  6. Add into your sauces, soups, and stews
  7. Incorporate into salads and salad dressings

You May Also Like: Herbs and Spice - What to Know

References

  1. Rosa Vázquez-Fresno, Albert Remus R. Rosana, Tanvir Sajed, Tuviere Onookome-Okome, Noah A. Wishart, David S. Wishart. Herbs and Spices- Biomarkers of Intake Based on Human Intervention Studies – A Systematic Review. Genes Nutr. 2019; 14: 18
  2. Page, K. Dornenburg, A. 2008. The Flavor Bible: The Essential Guide to Culinary Creativity, Based on the Wisdom of America's Most Imaginative Chefs Hardcover. Little Brown and Company.
  3. Lei Zhang, Bal L. Lokeshwar. Medicinal Properties of the Jamaican Pepper Plant Pimenta dioica and Allspice. Curr Drug Targets. Author manuscript; available in PMC 2014 Jan 14.
  4. Lei Zhang, Nagarajarao Shamaladevi, Guddadarangavvanahally K. Jayaprakasha, Bhimu S. Patil, Bal L. Lokeshwar. Polyphenol-rich extract of Pimenta dioica berries (Allspice) kills breast cancer cells by autophagy and delays growth of triple negative breast cancer in athymic mice. Oncotarget. 2015 Jun 30; 6(18): 16379–16395
  5. Daneshi-Maskooni M, Keshavarz SA, Qorbani M, Mansouri S, Alavian SM, Badri-Fariman M, Jazayeri-Tehrani SA, Sotoudeh G. Green cardamom supplementation improves serum irisin, glucose indices, and lipid profiles in overweight or obese non-alcoholic fatty liver disease patients: a double-blind randomized placebo-controlled clinical trial. BMC Complement Altern Med. 2019 Mar 12;19(1):59.
  6. Ajaikumar B. Kunnumakkara, Varsha Rana, Dey Parama, Kishore Banik, Sosmitha Girisa, Sahu Henamayee, Krishan Kumar Thakur, Uma Dutta, Prachi Garodia, Subash C. Gupta, Bharat B. Aggarwal. COVID-19, cytokines, inflammation, and spices: How are they related? Life Sci. 2021 Nov 1; 284: 119201.

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062524---Keto-Blog

Ketogenic Diets and Aging

Chances are, you or someone you know has tried the keto diet at some point in time. This high-fat, very low-carbohydrate eating plan appeals to many due to its promise of rapid weight loss. In this blog, Dr. Sears explores some of the latest scientific findings on ketogenic diets and provides caution before hopping on this trend. What is a Ketogenic Diet? The ketogenic diet is a high-fat, very low-carbohydrate eating plan. This significant reduction in carbohydrates to induce a metabolic state is called ketosis. This only occurs when there is not enough carbohydrates in your liver to completely convert fatty acids to carbon dioxide and water. The normal conversion generates the chemical energy (ATP) that keeps us alive. In the absence of ketosis, each fatty acid generates 108 molecules of ATP when oxidized in the mitochondria. Ketone bodies make less ATP when they are metabolized by mitochondria. How much less? About five times less. This is like switching the gasoline in your car from high-octane fuel to low octane fuel as ketone bodies increase in the blood. Furthermore, contrary to popular belief, ketones are not an ideal energy source for the brain, as glucose remains the preferred fuel for ATP production in brain cells. Lack of blood glucose is a highly stressful situation for the brain. This is why the body secretes the stress hormone cortisol from the adrenal glands during ketosis to breakdown protein and convert the amino acids into glucose for the brain. This explains why even under complete starvation for 38 days, the blood glucose levels never dropped below 68 mg/dL. This is still considered as a normal blood sugar level. Where did this blood glucose come from if there was none in the diet for 38 days? The answer is neo-glucogenesis primarily using lean body mass. Ketogenic Diets Pros and Cons Interest in ketogenic diets rises and falls about every 20 years. They’re very low-carbohydrate diets that claim that carbohydrates make you fat and keep you fat. This is simply not true. It is not carbohydrates per se but a disrupted metabolism that makes you fat. To be more specific, it is the inhibition of AMPK, the master regulator of your metabolism that makes you fat. Why? As AMPK activity increases, you burn stored fat faster. Frankly, I’ve always been amazed by the re-emergence of ketogenic diets. Eighteen years ago, I published the premier clinical study demonstrating that, under equal calorie intake in which all the food was provided to the subjects for six weeks, the Zone Diet was better than a ketogenic diet in reducing total weight, excess body fat, and inflammation. Now, a recent study revealed some more very concerning findings about the long-term effects of ketogenic diets. This new study indicated that following a keto diet causes a rise in senescent cells, popularly known as “zombie cells.” Zombie Cells are damaged cells that no longer divide but don't die. That’s bad enough, but zombie cells continue spreading inflammation throughout the body. As the number of zombie cells increases in your body, they become a living nightmare. Why? Zombie cells accelerate aging because they cause the earlier development of many chronic diseases. In this study they found that zombie cells in the animals began to appear while they were on a ketogenic diet. The zombie cells then disappeared when researchers changed the diet to a “non-ketogenic diet” (i.e., the Zone diet). And when the animals were given a Keto diet again, the zombie cells reappeared. Notice a trend? If you want to hear more about this study you can listen to our recent podcast at Dr.Sears.com. Based on earlier blogs, this adds to the list of downsides for following a ketogenic diet versus the Zone Diet. PROS Rapid initial weight loss: This is primarily due to the loss of retained water from the glycogen stores in the liver, which is rapidly used up to maintain blood sugar levels. Since these glycogen stores in the liver contain significant levels of retained water, much of the initial weight loss is water rather than stored body fat. If your main goal is loss retained water, this can be seen as a benefit. Of course, going to a sauna would also work. Reduced hunger: Ketogenic diets are rich in protein. Any increase in protein intake can help reduce hunger. CONS Production of acetone: One of the ketone bodies produced during ketosis is acetone, which is also the main chemical in nail polish. Increased calcium loss: A ketogenic diet can lead to higher calcium loss from bones. Limited fat utilization: High levels of dietary fat reduce the likelihood of using stored body fat for energy unless you also significantly restrict calories. Reduced energy levels: The lack of ATP production on a ketogenic diet can lead to easier fatigue during mild exercise. Damage from cheat meals: After seven days on a keto diet, a single high-carb cheat meal can damage blood vessels. Lack of polyphenols: This makes it difficult to activate genes that optimize metabolism by improving mitochondrial efficiency in converting fat into ATP. No long-term weight loss advantage: Long-term studies show no difference in weight loss between a ketogenic diet and a low-fat, high-carb diet. No short-term metabolic advantage: Careful studies demonstrate that fat loss on a ketogenic diet is the same as on a low-fat, high-carb diet with the same caloric intake. Compromised gut health: A lack of fermentable fiber from carbohydrates can lead to poor gut health and an increased risk of developing a leaky gut, which can cause significant inflammation. Furthermore, short-chain fatty acids (SCFA) are the metabolic product of fermentable fiber. These SCFA are powerful epigenetic signaling agents that enhance gene transcription. Ketosis generates a different type of hydroxylated short fatty acid (3-hydroxyl butyrate, that has no effect on gene transcription. In addition, the lack of SCFA has significant negative consequences on the gut-brain axis. Cortisol build-up: To produce glucose for the brain, cortisol levels increase to breakdown protein to make sufficient glucose via neoglucogenesis. Excess cortisol can lead to insulin resistance that cause regain of some of initially loss body fat. In addition, increased cortisol levels cause a depressed immune system as well as destruction of memory cells in the hippocampus. The initial benefits of following the ketogenic diet result in some initial weight loss (primarily water weight rather than fat loss), long-term studies show no significant differences in overall weight loss. Now new findings show a ketogenic diet may lead to significant adverse health consequences by accelerating the formation of zombie cells. Call me crazy, but I feel the key to longevity and wellness comes down to better metabolic control instead of living in a constant state of ketosis. Following Metabolic Engineering® for a lifetime provides that pathway of losing body fat without ketosis. References 1. Johnston CS, Tjonn SL, Swan PD, White A, Hutchins H, and Sears B. “Ketogenic low-carbohydrate diets have no metabolic advantage over nonketogenic low-carbohydrate diets.” Am J Clin Nutr 2006 83:1055-61. 2. White AM, Johnston CS, Swan PD, Tjonn SL, and Sears B. “Blood ketones are directly related to fatigue and perceived effort during exercise in overweight adults adhering to low-carbohydrate diets for weight loss: a pilot study.” J Am Diet Assoc. 2007 107:1792-1796. 3. Sung-Jen Wei, Joseph R Schell, E Sandra Chocron, Mahboubeh Varmazyad, Guogang Xu, Wan Hsi Chen, Gloria M Martinez, Felix F Dong, Prethish Sreenivas, Rolando Trevino Jr , Haiyan Jiang, Yan Du, Afaf Saliba, Wei Qian, Brandon Lorenzana, Alia Nazarullah, Jenny Chang, Kumar Sharma, Erin Munkácsy, Nobuo Horikoshi, David Gius. Ketogenic diet induces p53-dependent cellular senescence in multiple organs. Sci Adv. 2024 May 17;10(20):eado1463. doi: 10.1126/sciadv.ado1463. 4. Owen OE, Felig P, Morgan AP, Wahren J, Cahill GF Jr. Liver and kidney metabolism during prolonged starvation. J Clin Invest. 1969 Mar;48(3):574-83. doi: 10.1172/JCI106016. 5. Chriett, S., Dąbek, A., Wojtala, M. et al. Prominent action of butyrate over β-hydroxybutyrate as histone deacetylase inhibitor, transcriptional modulator and anti-inflammatory molecule. Sci Rep 9, 742 (2019). https://doi.org/10.1038/s41598-018-36941-9. 6. Silva YP, Bernardi A, Frozza RL. The Role of Short-Chain Fatty Acids From Gut Microbiota in Gut-Brain Communication. Front Endocrinol (Lausanne). 2020 Jan 31;11:25. doi: 10.3389/fendo.2020.00025. 

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050824---Tofu-Blog

Tofu: Tips and Recipes Ideas

I have been eating tofu for a very long time, much longer than the 30 or so years I have been following the Zone Diet. Back then many of my favorite recipes came from the Tassajara cookbooks by Edward Espe Brown, the celebrated chef from the kitchen at California’s famous Zen Mountain Center, and cookbooks by Louise Hagler, a.k.a. Wendy Louise, a well-known authority on vegetarian cooking who is associated with a community in Tennessee known as The Farm. Those books are still among the best resources for tofu recipes. My mantra has always been if you don’t like something, don’t eat it. Keep this in mind if you’re new to tofu, start slowly by combining it with flavors and foods you like.    Tips and Suggestions    Firm-sprouted tofu is my preference for the Zone Diet. Unlike traditional tofu, which contains significant amounts of both protein and carbohydrate, sprouted has almost no carbohydrates. It’s lighter tasting, refreshing, and very filling.   Freezing tofu results in a chewy, sponge-like texture. I don’t recommend freezing, but some people prefer it when using tofu to substitute for meat in a recipe.    Baked tofu comes in a variety of flavors and makes an excellent quick meal with some vegetables and fruit added. It’s also great in salads.     Tofu made it into the book “The Top 100 Zone Foods” by Barry Sears.    Some recipes call for draining the tofu first. I find that usually isn’t necessary.   Tofu takes on the flavor of whatever is added to it.    Add nutritional yeast flakes to give a cheesy flavor to vegan tofu scrambles and dips. It’s also rich in protein and vitamin B12.   Cherry Vanilla Tofu “Ice Cream”   Tip: This doesn’t freeze or store well, so prepare only the amount you plan to serve immediately.   Using an immersion blender or a food processor blend equal parts of frozen dark cherries and firm tofu, plus some vanilla extract (preferably alcohol-free for best flavor). Serve immediately.  Tofu Scramble  This is great for breakfast, lunch, or dinner, and we’ve even brought it on long day hikes for a snack.   Crumble some firm tofu and stir in a generous amount of seasonings, taking care not to overdo it with the salt. Heat in a well-seasoned or nonstick skillet with a little Zone-friendly oil to the desired doneness.    Optional: If time allows, sauté some chopped onion in the skillet before adding the tofu and seasonings.    My favorite seasoning combination for this dish at my house is onion powder, garlic powder, turmeric, paprika, some oregano or thyme, nutritional yeast flakes, salt, and ground black pepper. The yellow color of the turmeric makes it somewhat like scrambled eggs.   Tofu Veggie Almond Pasta Salad   Dressing: Thin some smooth almond butter by stirring in some water, a little vinegar, and either soy sauce or Bragg’s Liquid Aminos (an unfermented soy sauce found in the health food section of most grocery stores).    Toss together cooked Dr. Sears’ Zone PastaRx Fusilli, tofu cut into cubes, matchstick cut red bell pepper, chopped green parts of scallions (a.k.a. green onions), and the almond butter dressing. Serve immediately or chill to serve later. It will keep well in the fridge for two or three days.   Use your imagination and see what you can come up with.  Experiment and have fun with it. Try using tofu to make cheesecakes, whipped desserts, tofu chocolate pudding, tofu “cream” based soups, tofu pot pie (think chicken pot pie), tofu burgers, tofu burritos, Buffalo tofu (like Buffalo wings), layered Mediterranean dips, tofu “meatballs”, grilled tofu, and more.    Enjoy! 

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