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biomedgrid · 3 years

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Biomed Grid | Positive Role of Green Tea as An Anti-Cancer Biomedical Source in Iran Northern

Abstract

Tea, green gold, is the second famous beverages in the world. Tea was not grown in Iran until the late 1800’s, after an Iranian diplomat, by the name of Kashef Al Saltaneh, smuggled back from India over 3,000 samplings to plant in Iran. In general, green tea contains about 30% (w/w) of catechins in the dry leaves. The major catechins are epigallocatechin-3-gallate (EGCG) epigallocatechin (EGC), (-)-epicatechin (EC), and (-)-epicatechin-3-gallate (ECG), which comprise more than 60% of the total catechins. Other green tea conclusion are the flavonols (quercetin, kaempferol, and rutin), caffeine, phenolic acids, the green tea specific amino acid theanine, and flavour compounds such as (Z)-3 hexenols and its esters. Increased consumption of green tea had a potentially preventive effect on breast cancer in a Japanese population. combined green tea composition with other bioactive dietary components may be an appropriate way to improve its effects in cancer prevention. Several studies have shown that the fat-lowering effect of green tea and EGCG is mediated by SREBPs.in this short review around some effects of green tea on cancer prevention and positive effects on body. We hope use and focus on this herb fundamentally in Iran northern as a center of this green gold in healthcare.

Keywords: Tea; Cancer; Breast; Iran; SREBP

Introduction

Green tea, Camellia sinensis (L.) family Theaceae. Tea, beside water, is the second famous beverages in the world. Green tea is mainly consumed in Japan and China and Iran, whereas black tea is primarily consumed in Western countries, India, and other parts of the world [1,2,3,4]. Green tea was first brought to Japan, more than 1000 years ago, from China as a form of medicine. Tea was not grown in Iran until the late 1800’s, after an Iranian diplomat, by the name of Kashef Al Saltaneh, smuggled back from India over 3,000 samplings to plant in Iran. (Given that the English stole from the Chinese to grow tea in India, I guess it is fitting to have their tea stolen as well.) His story is an interesting one, as Kashef was educated in Europe and serving in India in the Iranian consulate. He decided to smuggle back the samplings to plant in his hometown of Lahijan in the northern Gilan region of Iran (on the Caspian Sea), [1,6,7,8] which had the perfect terroir for tea. He succeeded in smuggling as his diplomatic position prevented the British military from searching his suitcases and trunks. After six years of trying, he got his product to market and Iranian tea traditions have not been the same. [9,10,11]. Tea plantations are still in full production today in the regions of Gilan producing tea in the traditional orthodox fashion. Demand for tea far outstrips the supply in the country, so tea is still imported from Africa, Middle East, and India. In 1211, the Japanese Zen monk Eisai published a book entitled “Kissa Youjouki” which means “promotion of health by tea”, and described that “tea is a marvelous preventive medicine to maintain people’s health and has an extraordinary power to prolong life” [9,12,13,14]. Indeed, recent scientific evidence has shown that green tea is beneficial for health-promotion [6,13,15-18].

As the various production processes, teas can be included into three kinds: green tea [non-Fermented tea), black tea (fermented tea), and oolong tea (semi-fermented tea). The raw compound of all of these teas are the leaves of the tea plant Camellia synesis and its varieties. During fermentation, a series of complex chemical reactions takes place; the most important one representing the oxidation of polyphenols [19,20]. This results in the formation of teaflavins thearubigins, and other oxidized-polymerised compounds, which are responsible for the characteristic color and flavor of black tea [20-24]. In old years, green tea had a remarkable medical duty in medicine in several European Pharmacopoeias. Recently, some of hepatic attack after the use of hydroalcoholic extracts of green tea in complement of human dietss [3,4,6,16,25]. The conclusion of constituents of a green tea is highly dependent on the amount of used tea leaves, on the extraction time, and on the quality of water used for extraction. Therefore, the composition can be subject to a strong variance within a certain range (Table 1).

Table 1: Composition of Constituents in Green Tea Leaves (23).

The traditional supplement of green tea as an infusion includes a broad spectrum of components of the drug. In general, green tea contains about 30% (w/w) of catechins in the dry leaves [26]. The major catechins are epigallocatechin-3-gallate (EGCG) epigallocatechin (EGC), [-)-epicatechin [EC), and (-)-epicatechin-3- gallate (ECG), which comprise more than 60% of the total catechins (Figure 1) [5,6,22,25,27].

Other green tea conclusion are the flavonols (quercetin, kaempferol, and rutin), caffeine, phenolic acids, the green tea specific amino acid theanine, and flavour compounds such as (Z)-3 hexenols and its esters [1,23, 26,28]. After vast description of green tea catechins are well absorbed [15,22]. Catechins are then bio transformed in the liver, and presumably already in the intestine [6,29,30], to conjugated metabolites such as glucuronidase, methylated sulfated derivatives. While EGC and EC are predominantly conjugated, EGCG is often present in the free form in human plasma [11,17,23,31]. In the colon deconjugation may happen due to tissue -glucuronidases and microflora [19,32]. After absorption the catechins are widely spread to the various tissues with concentrations presumably not exceeding the lower micromolar to nanomolar range (0.1 M) [27,31]. Other traditional indications of green tea includes: For oral use, diuresis, mild diarrhea, recovery from fatigue, and dietary supplement for weight reduction and for external use, calm for itching of skin ailment and treatment of cracks, grazes, and insect bites, etc. [1,4,6,7,15,33]. The traditional Chinese medicine has recommended this plant for headaches, body aches and pains, digestion, depression, detoxification, as an energizer and, in general, to prolong life, beneficial effects in oral diseases such as protection against dental caries, periodontal disease, and tooth loss [which may significantly affect a person’s overall health). Numerous studies have demonstrated that the aqueous extract of green tea possesses antimutagenic, antidiabetic, antibacterial, anti-inflammatory, and hypocholesterolemia properties [2,21,25,29].

Figure 1: Structure and Composition of The Major Catechins In Green Tea

Green tea effects as anti-breast cancer

Over the three decades ago, green tea has attracted increasing attention for its health benefits, especially anti-cancer effects. As early as 1997 there was an epidemiological study showed that increased consumption of green tea had a potentially preventive effect on breast cancer in a Japanese population, especially among females drinking more than 10 cups a day. Since then, the association between green tea consumption and breast cancer risk has been extensively investigated [3,17,31,33]. Among the two studies of breast cancer recurrence, both found a non-significant reduction in recurrence among heavy green tea drinkers [> 3 cups a day). There was no significant heterogeneity among the studies [P = 0.65, I2 = 0%). This analysis suggested a marginally significant reduction of 27% in recurrence among heavy green tea drinkers [> 3 cups a day) [summary RR = 0.73, 95% CI: 0.56-0.96) when compared to nondrinkers [8,14,17,26]. Among the breast cancer incidence studies, two were cohort studies and five were case-control studies. Overall, there was a statistically significant reduction of 19% among women with high green tea intake (summary RR = 0.81, 95%CI: 0.75-0.88). The epidemiological studies on the association between green tea and breast cancer remain inconclusive. Remarkably, green tea may also interact with other bioactive dietary components, such as those in soy and mushroom, to affect breast cancer risk [8,14,27]. A study in Asian-American women demonstrated a statistically significant inverse association between green tea and breast cancer risk among women with low soy intake, but not among women with high soy intake [11,12,22,30]. A case-control study indicated that higher dietary intake of mushrooms decreased breast cancer risk in pre- and postmenopausal Chinese women, and an additional decreased risk of breast cancer from joint effect of mushrooms and green tea was observed. These data suggested that combined green tea composition with other bioactive dietary components may be an appropriate way to improve its effects in cancer prevention. However, additional studies are required to elucidate the potential mechanisms of action [4, 7,9,13,34]

Effects of green tea on SREBPs

SREBPs are the transcription factors which play a central role in regulation of cellular lipogenesis and lipid homeostasis [5,7,32]. Several studies have shown that the fat-lowering effect of green tea and EGCG is mediated by SREBPs [3,12, 21,29,35]. In diet-induced obese mice, dietary EGCG lowered the levels of plasma triglycerides and liver lipid [15,31]. In the epididymal white adipose tissue, EGCG decreased the mRNA levels of adipogenic genes such as SREBP- 1c, peroxisome proliferator-activated receptor-γ, and fatty acid synthase. Our animal experiment showed that oral administration of a catechin-free fraction reduced plasma levels of cholesterol and triglycerides, with concomitant reduction in hepatic gene expression of SREBPs [2,4,36,11]. Thus, green tea contains lipidlowering components in addition to GTC. Several human studies have shown that green tea and EGCG have the lipid lowering effect [20,25,34]. For example, in a double-blind, placebo-controlled trial on 56 obese, hypertensive subjects consuming a daily supplement of 1 capsule with 379 mg of GTE for 3 months, the GTE group was found to show reductions in the total and low-density lipoprotein cholesterol and triglycerides as compared with the placebo group [1,7,10,20,28,37].

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organicteagarden · 7 years

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Best Matcha Tea Powder: Why Choose Organic?

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On the lookout for the best matcha tea powder? Are you curious why many are into the “organic” route in choosing their matcha green tea? There are 3 types of matcha green tea– culinary grade, ceremony grade, and premium grade– and each delivers potent antioxidants known to help optimize health. While ceremony grade brands are known to be used to traditional tea making, some of them can also be used for cooking or baking. Most premium grade varieties are also subdivided further into either culinary or traditional ceremonial teas. In any of these tea types, the best matcha tea powder are known to be with ORGANIC quality. Why?

Source : teaenergy.com

Benefits Of Organic Matcha Tea

But what do we mean by “organic”? According to experts, quality matcha tea powder must be certified or approved by proper authorities as organic. This certification will help point out the level of “safety” of a particular matcha green tea. Organic tea products are known to use zero pesticides, herbicides, fertilizer or chemicals from cultivation to production. With some of these hazardous elements being water-soluble allowing them to permeate deep into the leaves of the Camellia Sinensis plant, organic ones make sure that health is further optimized without any fear of side effects in the long run.

Organic match green tea powder are painstakingly cultivated by a large number of small local farms and farmers. This is one way of delivering excellent economic value to small-scale players in the market. Also, by not allowing spraying of insecticides or any other chemical-laden products to the plant, prolific matcha tea drinkers are delivering a healthier life for farmers on the forefront of tea cultivation.

Of course, buying organic is one way to preserve the environment. With less chemicals on the loose, you are actually helping in your own little way the environment.

Best Organic Matcha Tea Powder

When thinking of the best matcha tea powder,the following organic quality tea types come highly recommended:

1. Premium-Grade Ceremonial Matcha Tea Powder

When it comes to organic ceremonial grade matcha tea powder, Taste of Kyoto’s Reserve Matcha offers a luxurious goodness in every cup. Made of ultra premium organic matcha green tea powder, it is certified USDA organic. To consume, this is best served plain with no sweeteners or any additional ingredients whatsoever. Think of sweet, rich flavor and relaxing aroma.

To prepare, simply make a paste out of 1tsp Taste of Kyoto’s Reserve Matcha and 2 teaspoons water. Then, add 6oz of hot previously-boiled water and whisk thoroughly. Enjoy!

To buy, check for shipping perks and discounts from Amazon HERE.

2. Culinary Grade Matcha Tea Powder

When it comes to ceremonial grade matcha tea powder, premium quality organic from SerendipiTea is quite popular in the West. Cultivated and produced in Kagoshima, Japan, it goes through stringent farming and extraction process to ensure that green tea leaves are not only free from chemical hazards but also of pure quality. Once grounded to fine powder, it becomes a perfect ingredient for baking and other culinary recipes. For weight watchers, this tea also makes an awesome find for making smoothies and lattes.

To use, check out the included instruction on various food varieties where the SerendipiTea Matcha Culinary Grade Organic Green Tea will be used. Do take note that while this can be steeped and drink like a ceremonial grade matcha, it is more bitter and requires added ingredients to make the taste more friendly to the palate.

To check for price, discounts and other shipping perks, go to Amazon.

3. Premium Ready-To-Drink Matcha Tea

Not everyone loves the mix-in-your cup matcha tea varieties for their icky after-taste and more profound preparations. For premium organic ready-to-drink matcha tea bags, the 15-count Rishi Tea Organic Super Matcha Tea bags is packed in an economical 6-box per order from Amazon. This gives you more value for your money as well as easy-breezy enjoyment whenever you like it. Individually wrapped for freshness, each bag is also made from biodegradable material and bearing whole leaf tea to your satisfaction. Think smooth and deep umami sweetness with vivid green liquid on a cup.

To prepare, steep for approximately 2 minutes in 170-deg F hot water and enjoy. Check for discounts and shipping perks HERE.

The Verdict

The best matcha tea powder is always about personal preference. When purchasing excellent quality matcha green tea, it is imperative to do your research beforehand. The more reputable and knowledgeable you are about matcha tea, the more great-tasting moments will be enjoyed.

https://www.organicteagarden.net/best-matcha-tea-powder-why-choose-organic

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myweightlosstodaycom · 5 years

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Plate with a keto diet food. Fried egg, bacon, avocado, arugula and strawberries. Keto breakfast.

Flavor:Lucsious French Vanilla | Size:280 Gram

Leaner Creamer is the healthy alternative, Keto, Paleo, Sugar-Free, Lactose-Free to fatty coffee creamers. Wish to know the science in the back of the magic of getting you lean with Leaner Creamer? Coconut oil is very useful for weight loss. It contains short and medium-chain fatty acids that help in taking off over the top weight. It’s also easy to digest and it helps in healthy functioning of the thyroid and endocrine system. Further, it increases the body’s metabolic rate by removing stress on the pancreas, thereby burning more energy and helping obese and overweight people lose the weight. Citrus Aurantium extract is extensively used in weight management products and as thermogenic agents as a result of their purported effects on metabolic processes, including an increase in basal metabolic rate and lipolysis in addition to mild appetite suppression. Green tea extract is a product made from the Camellia sinensis plant. It can reinforce efforts towards weight loss and treating stomach disorders. Hoodia is a succulent, fleshy cactus-like plant of the Asclepiad family, which is an original inhabitant of the Kalahari desert in Africa- most popular because its extracts suppress hunger and effectively helps reduce weight and fat percentage.

NON DAIRY SUPERFOOD CREAMER- Formulated with the very best hint of vanilla, an infusion of all-natural herbal with a purpose to boost your energy, decrease appetite, and make you’re feeling ENERGIZED! NATURAL AND HEALTHY ACTIVE INGREDIENTS: Coconut Oil base with an all-natural blend of Citrus Aurantium Extract, Hoodia and Green Tea Extract. TRY IT WITH: Coffee, tea, smoothies and creative recipes that call for creamer. OUR MISSION: “Cleaning Up the Way People Drink Coffee!”- It’s our mission to revolutionize the cherished ritual of coffee and tea drinking! NONE OF THE BAD STUFF INCLUDED: Lactose-Free, Sugar-Free, Gluten-Free, Cholesterol-Free, NO Hydrogenated Soybean Oils, NO High Fructose Corn Syrup Solids, NO Artificial Colors or Flavors. [amz_corss_sell asin=”B07DW1GH6F”]

Leaner Creamer, Non-Dairy Coffee Creamer – Sugar Free, Low Calorie, Coconut Oil, Paleo, Keto, Gluten Free, Healthy Weight Loss, Fat Burning, – 9.87oz Pouch (FRENCH VANILLA) Flavor:Lucsious French Vanilla | Size:280 Gram Leaner Creamer is the healthy alternative, Keto, Paleo, Sugar-Free, Lactose-Free to fatty coffee creamers.

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battybat-boss · 6 years

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Take The Flavor of Green Tea to the Next Level With Jasmine Tea

Tea is one of the most widely enjoyed beverages around the world. In the United States, it can be found in almost 80 percent of households, and in 2017, Americans consumed over 84 billion servings of tea, or 3.8 billion gallons.1 Green tea is one of the most popular types, known for its health benefits and flavor. If your taste buds are looking for a new way to enjoy this beneficial beverage, then jasmine tea may be the answer for you.

What Is Jasmine Tea?

Jasmine tea is green tea scented with jasmine flowers, though the base tea can also use black, white or oolong tea leaves, though this is less common. High-quality jasmine tea is usually scented using fresh jasmine flowers, while affordable options are flavored with jasmine oils or jasmine extract. The end result produces a clean and fragrant smell, with a sweet flavor.2

Aside from using different teas to create varying flavors of jasmine tea, manufacturers use different grades of the same tea plant. For example, some jasmine teas are made with a large ratio of flower buds to tea leaves, while some are made with larger leaves and fewer buds.3 Jasmine tea is traditionally made by storing green tea until jasmine flowers are ready to harvest, and then scented over several days. Two methods are generally employed to create the final product:4

Fresh jasmine flowers are placed on a tray below a woven tray of tea leaves in a warm room. Over the course of several days, the flowers are replaced to give the tea an ethereal, light aroma and flavor. This method is more laborious and more expensive.

Leftover, wilted jasmine flowers are used to scent green tea leaves, resulting in a cheaper price when packaged and sold.

Potential Benefits of Jasmine Tea You Should Know

Jasmine tea is a modified form of green tea that is scented with jasmine flowers, meaning you will still get the same benefits of regular green tea, only with a different flavor. Green tea happens to be one of the healthiest beverages you can drink, with studies suggesting that it may help:

Improve brain function: The caffeine found in green tea may help boost reaction time, memory, mood, as well as lower anxiety.5

Promote healthy weight: Drinking green tea may help you lose weight, as it has been shown to boost metabolism6,7 as well as fat-burning.8

Reduce risk of cancer: Green tea contains powerful antioxidants that may help reduce your chances of developing cancer. In one study, researchers noted that women who drank the most green tea had a 20 to 30 percent lower risk of developing breast cancer.9

In another study, men who drank green tea had a 48 percent lower risk of developing prostate cancer, the most common type of cancer among this gender group.10

Promote brain health: Aside from helping improve brain performance, green tea may help keep your brain healthy as you age. Multiple studies indicate that catechins in green tea have neuroprotective properties that may help reduce the risk of Parkinson's and Alzheimer's disease.11,12,13

Eliminate microbes: Several studies indicate that catechins have innate antimicrobial effects that may help kill various bacteria and viruses responsible for various diseases.14,15,16,17

Drinking green tea may also help promote oral health by reducing inflammation and limiting the growth of bacteria associated with periodontal diseases.18

Manage diabetes: Data compiled from a meta-analysis of 17 studies suggest that green tea consumption may significantly help reduce fasting glucose and hemoglobin concentrations.19

Nutrition Facts and Caffeine Content of Jasmine Tea

Since jasmine tea is made by combining jasmine blossoms with green tea, the final product still has caffeine, albeit at a lower amount, typically between 14 to 60 milligrams per cup.20 In addition, jasmine tea contains trace amounts of vitamin B1, B2, B3, B5 and B6, as well as vitamin C. A single-cup serving also provides the following nutritional information:21

Jasmine Tea Nutrition Facts

Serving Size: 1 cup (237g) Amt. Per Serving % Daily Value* Calories 2.4kcal 0% Total Fat 0 g 0% Saturated Fat 0 g 0% Trans Fat 0 g 0% Cholesterol 0g Sodium 2.4g 0% Total Carbs 0g 0% Dietary Fiber 0 g 0% Sugars 0 g Protein 0.5g 1% Vitamin A 0% Calcium 1% Vitamin C 0% Iron 0%

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie

How to Make and Store Your Own Jasmine Tea

Making your own jasmine tea starts with homegrown plants, specifically the Camellia sinensis plant and the jasmine flower. Follow this procedure to create high-quality jasmine:22

1. Start propagating jasmine seeds by soaking them for 24 hours before planting.

2. Fill six-pack cells with potting soil, then soak it completely as well.

3. Allow the water to drain before planting, then plant one seed in each cell.

4. Cover each cell with plastic and place them under direct sunlight.23

5. While growing throughout the spring and summer, the plant will need full sunlight. During winter, sunlight is still required, but exposure doesn't have to be direct.

For the tea plant, make sure that you have well-draining and sandy soil with a bit of acidity, and then follow these steps:

1. Germinate seeds by soaking them for 24 to 48 hours, then place them in a warm, sunny place to dry.24

2. Water regularly but the roots should not become soaked.25

3. Allow the soil to drain and let the top few inches dry before watering again.26

Tea plants take around three years to reach full maturity, so growing them will require lots of patience.27 But all that hard work will pay off as you'll be able to grow your own homemade jasmine tea free from pesticides and other dangerous chemicals.

How to Make Homemade Jasmine Tea

Once your tea plant matures, follow this procedure to specifically create jasmine tea:28

Procedure:

1. Pluck the youngest leaves and leaf buds.

2. Blot the leaves dry, and then place them in the shade for a few hours.

3. Steam the leaves on your stove for one minute.

4. Spread the leaves on a baking sheet and dry in the oven at 250 degrees Fahrenheit for 20 minutes.

5. Store the dried leaves in an airtight container.

6. For a different flavor, you can roast the leaves in a skillet for two minutes instead of steaming them.

Once you have your own jasmine and tea plants, follow this procedure to make your own jasmine tea:29

How to Make Jasmine Tea

Ingredients:

• Green tea leaves

• Fresh jasmine flowers

Procedure:

1. Place a layer of tea leaves in the bottom of a jar with a large opening. Then, place a layer of fresh jasmine flowers over them. Repeat as your jasmine blossoms, if desired.

2. Place a can or a small weight on top of the jasmine and tea leaves, then cover the jar tightly.

3. Allow the flowers to scent the tea for at least 24 hours or up to several weeks.

4. To prepare the tea, pour a heaping teaspoon into 8 to 10 ounces of hot filtered water that had just been removed from the heat.

5. Steep for five to seven minutes, then strain and serve.

Possible Side Effects of Jasmine Tea

Jasmine tea is generally safe to drink, but drinking too much of it can increase anxiety, as well as cause restlessness, sleeping problems and increased urination. This is due to the effects of having too much caffeine in your body.30 As such, jasmine tea should be consumed in moderation. In addition, too much green tea can cause stomach irritation. Since jasmine tea is a variation of green tea, the same effect may happen if you don't monitor your consumption.31

As an alternative, you may consider purchasing high-quality decaffeinated tea. According to SFGate, decaffeination through the use of carbon dioxide helps preserve more beneficial compounds compared to other decaffeination methods.32 No matter what option you choose, I still strongly recommend consulting a doctor before drinking jasmine tea, particularly if you're taking medication for a specific health problem, as the caffeine may interfere with the drug's effects and negatively impact your health.

Pregnant women should strictly avoid jasmine tea because the caffeine can negatively affect your baby's health. In light of this, you should also avoid coffee and other caffeinated drinks if you are pregnant. Consider adjusting your diet to address the root of your fatigue instead of relying on caffeine during this delicate period.

Explore New Flavors and Give Jasmine Tea a Try

If you feel like drinking green tea is getting mundane, but you still would like to gain its health benefits, then jasmine tea may be a viable alternative for you. Not only are you still getting the catechins and other antioxidants found in green tea, you'll be able to experience some brand new flavors. Plus, growing your own tea leaves and jasmine flowers ensures that your stock is always fresh and devoid of toxins.

Frequently Asked Questions About Jasmine Tea

Q: What is jasmine tea good for?

A: As indicated by the numerous studies mentioned above, drinking jasmine tea may provide a wealth of health benefits such as weight management, reduced risk of cancer, improved brain function and antimicrobial properties.

Q: Where does jasmine tea come from?

A: Jasmine tea is originally produced in the Fujian Province in China, as well as in Taiwan.33

Note: When buying tea of any kind, make sure that it's organic and grown in a pristine environment. The Camellia sinensis plant in particular is very efficient in absorbing lead, fluoride and other heavy metals and pesticides from the soil, which can then be taken up into the leaves. To avoid ingesting these dangerous toxins, a clean growing environment is essential, so that you can be sure you're ingesting only pure, high-quality tea.

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jakehglover · 6 years