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Tag: heart health

  • Green tea -Health benefits

    Green tea is one of the most sought-after health drinks &consumed widely by fitness freaks as well as common people globally. It is consumed for its taste as well as with the goal of achieving better health.

    Green tea is extracted from the leaves of the plant camelia sinensis.Commonly young leaves and budding leaves are used for making this beverage. Green tea intake is beneficial in numerous ways. It is one of the major sources of Catechins which are a type of polyphenol antioxidants with immense health benefits.

    History

    Green tea originated in China in the late 1st millennium BC. From here it spread to various parts of the world as a refreshing and stimulating drink. There are narrations about green tea in ancient Chinese texts about green tea. The book written by Lu Yu [ between 618- 907 AD] describes about the origin of green tea. Another book penned by Zen priest Eisai describes about the stimulant effects of green tea and how it is extracted from the leaves.

    Green tea compounds- Antioxidants

    Green tea contains polyphenols mostly catechins. The four main catechin compounds are (−)-epigallocatechin-3-gallate (EGCG), (−)-epigallocatechin (EGC), (−)-epicatechin-3-gallate (ECG), and (−)-epicatechin (EC).

    Other components include three kinds of flavonoids, known as kaempferol, quercetin, and myricetin.

    Health benefits of green tea on heart, brain & skin

    • Antioxidant potential

    Catechins found in green tea are effective antioxidants potent enough to prevent oxidative stress.

    • Boosts cardiovascular health

    These are capable of preventing atherosclerotic plaque formation in Coronary artery and hence help in preventing heart diseases. This potential of green tea to thwart clot formation in blood vessels to heart and brain help in preventing heart attack and stroke. Furthermore, green tea can reduce can reduce triglycerides and cholesterol levels in the human blood.

    • Prevents sun induced damage to your skin Antioxidant, immunomodulatory, and photo protective functions of green tea make it a great addition to healthy life styles. Green tea helps to protect the skin from sun induced damage and premature ageing. It has immunomodulatory and photo protective effects on skin against UV rays of sun. Catechins in green tea are natural antioxidants that has key role in the prevention of cell damage.
    • Green tea helps to boost cognitive functions of your brain.

    Caffeine, of green tea constituents can improve brain function, including mood, vigilance, reaction time, and memory. Amino acid L-theanine, of green tea can cross the blood-brain barrier.

    Safety /cautionary warnings for green tea consumption

    It is advisable to take only 1-2 cups of green tea a day and in this amount green tea intake is not associated with any detrimental effects to the body. However, if you are sensitive to caffeine green tea may cause tremors or shivering and anxiety.

    Excessive intake may cause liver problems.

    Drug interactions:

    Green tea may interact with nadolol, a beta-blocker used for high blood pressure and heart problems lowering your blood pressure as much as it should. Green tea has presence of vitamin K in small amounts which can interact with proper functioning of blood thinner medicines. Therefore, for patients using beta blocker drugs, and blood thinners like aspirin, clopidogrel etc.  green tea is not a good choice.

    written by Dr sanjana p

    References

    • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4843789/
    • https://www.nature.com/articles/srep24353
    •   https://plants.ces.ncsu.edu/plants/camellia-sinensis

  • Capsicum to improve your cardiovascular health

    Capsicum is known for its antioxidant, anti-inflammatory, and antimicrobial activities. It also helps to reduce the prevalence of type 2 diabetes and obesity. Capsicum has role in reducing cholesterol and hence cardiovascular diseases.

    Generally peppers belong to the genus Capsicum. Some commercially grown species of capsicum include C. annuum, C. frutescens, C. chinense, C. pubescenes, and C. baccatum . Among these C. annuum is grown most extensively worldwide.

    Capsicums  are an excellent source of phytochemicals, such as anthocyanins, vitamins, phenolic acids, flavonoids, carotenoids, and capsaicinoids

    Nutritional value

    Capsicum contains many valuable nutrients and phytochemicals

    It has been found that vitamin C, an effective antioxidant, is high in red peppers , while vitamin E is high in dried chili peppers.

    The capsicums contain fiber and some minerals such as:

    iron

    calcium

    copper

    manganese

    molybdenum

    amino acids such as:

    tryptophan

    phenylalanine

    lysine

    Health benefits of capsicum

    Capsicum can be found as an integral part of Mediterranean and continental foods. It is also used in Asia and middle East countries widely. However, many people are not aware of the health benefits capsicum provides.

    It is rich in nutrients and antioxidants.  Therefore, capsicum has protective effect on your heart , brain and immune system. It helps to reduce the impact of lifestyle diseases on your health including heart attack, diabetes, stroke &obesity.

    •          Anti-inflammatory properties

      Capsicum helps to reduce inflammation due the presence numerous antioxidants and phytochemicals within it.

    •          Antibacterial properties

    Capsicum is effective against microbes, particularly against bacteria. One research study show inhibitory effect of the extract of Capsicum annuum bell pepper type was evaluated against Salmonella typhimurium and Pseudomonas aeruginosa. The study shows that capsicum extracts kill bacteriae [2].

    • Helps to reduce blood sugar; anti-diabetic effect.

    Studies suggest capsaicin has several actions that have an anti-diabetic effect. This is achieved by reducing insulin resistance, which makes it easier for blood glucose to get inside cells from the bloodstream.

     Capsaicin also helps prevent obesity, which predisposes for diabetes.

    • Helps to reduce cholesterol

    A few studies suggest capsaicin can decrease total cholesterol, triglycerides, and low-density lipoproteins, known as “bad cholesterol.”

    It has been also found that capsicum can increase high-density lipoproteins, known as “good cholesterol.”

    • Reduces blood pressure

     Studies show capsaicin reduces high blood pressure through several benefits. These include releasing substances that dilate blood vessels, suppressing an enzyme that narrows blood vessels, and stimulating increased urination, which reduces blood pressure by helping remove excess fluid.

    References

    1. Anti-inflammatory effects of red pepper (Capsicum baccatum) on carrageenan- and antigen-induced inflammation

    Fernando Spiller 1, Márcia K Alves et al. Journal of Pharmacy and Pharmacology, Volume 60, Issue 4, April 2008, Pages 473–478, https://doi.org/10.1211/jpp.60.4.0010

    • Antibacterial activity of Capsicum extract against Salmonella typhimurium and Pseudomonas aeruginosa inoculated in raw beef meat

    Mónica Careaga 1, Elizabeth Fernández, Lidia Dorantes, Lydia etal.

    PMID: 12745238 DOI: 10.1016/s0168-1605(02)00382-3

    • https://pmc.ncbi.nlm.nih.gov/articles/PMC6770197/
    • https://www.freepik.com/free-photo/close-up-portrait-beautiful-woman-smiling-showing-yellow-pepper-vegetarian-girl-making-dinner_76274720.htm#fromView=search&page=1&position=1&uuid=b4d91212-e03c-4aff-bf8a-e5ef074413d2&query=Capsicum+eating+woman