Table 1.
Traditional uses and pharmacological effects of antidiabetic medicinal plants.
| Medicinal Plants | Parts | Traditional Uses | Pharmacological Effects | References |
|---|---|---|---|---|
|
Leaves, seeds | Diabetes, wounds, fever, cough, cold, tetanus | Improves β-cell function, inhibits α-amylase and α-glucosidase activity | [53,54] |
|
Bark, roots | Diabetes, astringent, diarrhea, parasitic worms, diuretic, liver tonic | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and glucose tolerance | [24,55] |
|
Bark | Diabetes, asthma, bronchitis, diarrhea, obesity, dysentery, skin diseases | Lowers blood glucose levels, increases insulin secretion | [56,57,58] |
|
Leaves | Diabetes, dysentery, inflammation, ulcer, diarrhea, asthma | Lowers blood glucose levels, increases insulin secretion, glucose uptake and metabolism, inhibits aldose reductase and DPP-IV enzyme activity | [56,59,60] |
|
Fruit, leaves | Diabetes, cough, diarrhea, stomach ache, leprosy, hypertension, measles | Lowers plasma glucose levels, inhibits α-amylase and α-glucosidase activity | [61,62] |
|
Leaves | Diabetes, fever, rheumatism, cardiovascular diseases, malaria, wounds, spasms | Lowers blood glucose levels, improves β-cell function, increases insulin secretion | [63,64] |
|
Bark, pods | Diabetes, asthma, diarrhea, infections, dysentery, inflammation | Lowers blood glucose levels, increases insulin secretion, enhances glucose uptake | [56,65,66] |
|
Bark, leaves | Diabetes, eye problems, hemorrhoids, skin diseases, wounds, malaria diarrhea, indigestion | Lowers blood glucose levels, improves glucose tolerance | [16,67] |
|
Bulb | Diabetes, bronchitis, hypertension, skin infections, swelling, lower cholesterol level | Increases insulin secretion and insulin sensitivity, improves glucose uptake | [68,69] |
|
Bulb | Diabetes, fever, hypertension, rheumatism, dysentery, bronchitis, intestinal worms | Increases insulin secretion and insulin sensitivity to cells | [70,71] |
|
Leaves | Diabetes, constipation, infections, ulcer, dysentery, piles, rheumatoid arthritis | Lowers blood glucose levels, increases insulin secretion, reduces insulin resistance, improves glucose tolerance | [72,73] |
|
Leaves, stem bark | Diabetes, fever, hypertension, rheumatism, toothache, piles, dysentery | Lowers blood glucose levels, reduces oxidative stress, decreases total cholesterol and triglyceride levels | [74,75,76] |
|
Rhizome | Diabetes, fever, cough, inflammation, infections, night sweats, dementia | Lowers blood glucose levels, increases insulin sensitivity, improves glucose uptake | [77,78] |
|
Leaves, bark | Diabetes, inflammation, tumors | Lowers blood glucose levels, improves β-cell function, increases insulin secretion | [79,80] |
|
Leaves | Diabetes, wounds, inflammation, hypertension, malaria, insect bites | Lowers blood glucose levels, increases insulin secretion, improves glucose tolerance and β-cell function | [10,81] |
|
Bark | Diabetes, diarrhea, hemorrhoids, dysentery, snake bites, stomach disorders, skin diseases, leprosy | Decreases blood glucose levels, improves β-cell function, increases insulin secretion, inhibits DPP-IV enzyme activity | [56,82,83] |
|
Seeds | Diabetes, inflammation, heart diseases, coagulation, rheumatism, hypertension, Alzheimer’s disease | Increases insulin secretion and insulin sensitivity, improves glucose tolerance | [84,85,86] |
|
Rhizome | Diabetes, wounds, indigestion, gastritis, anemia, hepatitis, cardiovascular diseases, gall bladder disorders | Increases insulin sensitivity, improves glucose uptake, enhances GLUT-4 translocation | [87,88,89] |
|
Leaves, rhizome | Diabetes, diarrhea, malaria, wounds, anemia, inflammation | Lowers blood glucose levels, decreases glycosylated hemoglobin levels | [78,90] |
|
Roots | Diabetes, constipation, ulcers, stomach disorders, cough, inflammation | Increases insulin secretion and action, improves β-cell function, inhibits carbohydrate digestion and absorption | [91,92,93,94] |
|
Rhizome | Diabetes, rheumatism, gastrointestinal diseases, influenza, night blindness, diuretic, stomachic | Lowers blood glucose levels, reduces insulin resistance, improves glucose uptake | [95,96] |
|
Leaves | Diabetes, malaria skin diseases, infections, cardiovascular diseases, intestinal worms | Lowers blood glucose levels, increases insulin secretion, improves pancreatic β-cell function, inhibits α-amylase and α-glucosidase activity, enhances glucose uptake | [56,97,98] |
|
Fruit | Diabetes, wounds, asthma, malaria, diarrhea, hemorrhoids, fever, infections | Increases insulin secretion, improves glucose uptake, inhibits α-glucosidase activity | [99,100] |
|
Root, bark | Diabetes, eye infections, piles, wounds, snake bites, hemorrhoids, dysentery | Reduces blood glucose levels, increases insulin secretion | [101,102] |
|
Root | Diabetes, wounds, hepatitis, diarrhea, urinary tract infections, cold, glandular sclerosis | Increases plasma insulin, improves glucose tolerance, protects or prevents islet degeneration | [103,104] |
|
Flowers, leaves | Diabetes, inflammation, ulcers, sore throat, infections, contraceptive | Regenerates β-cell function, increases plasma insulin levels, reduces intestinal glucosidase activity | [105,106] |
|
Leaves, seeds | Diabetes, arthritis, rheumatism, back pain, coughs, paralysis | Increases insulin secretion and glucose utilization | [16,107] |
|
Leaves, stem bark | Diabetes, headache, arthritis, fever, inflammation | Lowers blood glucose levels, inhibits α-amylase and α-glucosidase activity | [108,109] |
|
Seeds | Diabetes, diarrhea, gastrointestinal disorders, inflammation, obesity, asthma | Lowers blood glucose levels, improves glucose uptake and utilization | [56,110,111] |
|
Leaves | Diabetes, indigestion, flatulence, stomach aches, constipation, fever | Lowers blood glucose levels, protects pancreatic beta cells, decreases oxidative stress | [112,113] |
|
Leaves, bark | Diabetes, fever, infections, wounds, menstrual irregularity, poor eyesight, inflammation, ulcers | Lowers blood glucose levels, increases plasma insulin levels | [114,115] |
|
Leaves | Diabetes, heart diseases, diuretic, astringent, stimulant, flatulence | Increases insulin secretion and action, inhibit insulin glycation, DPP-IV enzyme, and α-amylase activity, improves glucose tolerance | [116,117] |
|
Whole plant | Diabetes, gastrointestinal disorders, toothache, pain, muscle spasms, fever, infections | Increases insulin secretion and insulin sensitivity, improves glucose uptake | [118,119] |
|
Fruit, leaves | Diabetes, gastrointestinal disorders, dengue, malaria, nerve pains, insomnia, constipation | Lowers blood glucose levels, increases insulin secretion, suppresses glucagon secretion | [120,121] |
|
Leaves, seeds | Diabetes, skin diseases, rheumatism, constipation, ringworm, infections, inflammation | Lowers blood glucose levels, inhibits α-glucosidase activity | [122,123] |
|
Stalk | Diabetes, wounds, constipation, piles, skin diseases, asthma, liver diseases, rheumatism, leprosy | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and utilization | [56,124,125,126,127] |
|
Leaves, roots | Diabetes, hypertension, menstrual irregularity, cancer, wounds, muscle pain | Lowers blood glucose levels, increases insulin sensitivity, improves glucose uptake and utilization | [128,129,130] |
|
Root bark | Diabetes, asthma, bronchitis, heart diseases, inflammation, wounds, hypertension | Lowers blood glucose levels, decreases glycosylated hemoglobin levels | [78,131] |
|
Bark, leaves | Diabetes, constipation, wounds, liver diseases | Increases insulin secretion and insulin sensitivity, improves glucose uptake | [78,132] |
|
Bark | Diabetes, common cold, flu, gastrointestinal disorders, bacterial infections, headache, stomach pain | Increases plasma insulin levels, increases insulin sensitivity, inhibits α-amylase activity | [133,134] |
|
Fruit | Diabetes, hypertension, infections, scurvy, sore throat, rheumatism | Lowers plasma glucose levels, inhibits α-amylase activity | [135,136] |
|
Fruit | Diabetes, insomnia, indigestion, constipation, heartburn, nausea, cardiovascular diseases | Lowers blood glucose levels, increases insulin secretion | [137,138] |
|
Seeds | Diabetes, dysentery, fatigue, CNS stimulant, morning sickness, migraine, indigestion, wounds | Lowers blood glucose levels, increases serum insulin levels | [139,140] |
|
Rhizome | Diabetes, sore throat, whooping cough, dysentery, neurodegenerative diseases | Lowers blood glucose levels, increases insulin sensitivity, improves glucose uptake | [141,142] |
|
Fruit, seeds | Diabetes, pain, inflammation, cardiovascular diseases, liver, and kidney diseases | Lowers blood glucose levels, increases insulin secretion, inhibits α-glucosidase activity, increases GLUT-4 expression | [143,144] |
|
Rhizome | Diabetes, gastric, inflammation, infections, cough, pain, liver diseases | Lowers blood glucose levels, inhibits α-amylase and α-glucosidase activity, increases insulin secretion, improves peripheral glucose uptake, reduces insulin resistance | [78,145,146] |
|
Bark, roots | Diabetes, hepatitis, scabies, bruises, gonorrhea, jaundice, rheumatism | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and utilization, inhibits DPP-IV enzyme and α-glucosidase activity | [56,147,148] |
|
Fruit | Diabetes, night blindness, arthritis, sprains, constipation, asthma, liver diseases, obesity | Increases insulin secretion, protects pancreatic beta cells, decreases glycosylated hemoglobin levels | [149,150] |
|
Bark | Diabetes, stomach disorders, dysentery, skin diseases, syphilis, nausea, gonorrhea | Lowers blood glucose levels, reduces serum triglyceride and cholesterol levels | [56,151,152] |
|
Leaves, seeds | Diabetes, bronchitis, inflammation, cough | Lowers blood glucose levels, reduces insulin resistance, improves glucose tolerance | [153,154] |
|
Leaves | Diabetes, fever, pain, sinusitis, bronchitis, asthma, chronic rhinitis, | Increases insulin secretion, improves glucose uptake, inhibits insulin glycation and DPP-IV enzyme activity, decreases starch digestion | [155,156] |
|
Leaves | Diabetes, cough, cold, wounds, fungal infections, fever, sore throat, pain | Increases insulin secretion, improves glucose uptake | [157,158] |
|
Root, bark | Diabetes, cough, chest pain, diarrhea, headache, toothache | Lowers blood glucose levels, inhibits α-glucosidase activity | [78,159] |
|
Seeds | Diabetes, skin ulcers, gastritis, constipation, sore throat, liver, and kidney diseases | Lowers blood glucose levels, improves pancreatic β-cell function, increases insulin secretion, inhibits sucrase and maltase activity, improves glucose uptake and metabolism | [56,160,161] |
|
Leaves | Diabetes, respiratory diseases, diarrhea, jaundice, tumors, gonorrhea | Increases insulin release from beta cells, inhibits α-glucosidase activity | [162,163] |
|
Bark, leaves | Diabetes, hypertension, dysentery, diarrhea, pain, ulcers, asthma | Decrease carbohydrate digestion and absorption, lowers blood glucose levels | [164,165] |
|
Seeds | Diabetes, diarrhea, food poisoning, bacterial infections, cough, liver diseases | Inhibits α-amylase activity, decreases glycosylated hemoglobin levels | [166,167] |
|
Seeds | Diabetes, cardiovascular diseases, obesity, cancer | Reduces insulin resistance, improves glucose tolerance | [168,169] |
|
Roots | Diabetes, epilepsy, respiratory diseases, paralysis, jaundice, rheumatism | Lowers blood glucose levels, increases insulin secretion | [56,170] |
|
Leaves | Diabetes, asthma, bronchitis, constipation, jaundice, dyspepsia, hemorrhoids, obesity | Lowers blood glucose levels, regenerates beta cells, increases insulin secretion, improves glucose tolerance | [171,172] |
|
Leaves | Diabetes, cancer, hernia, hypertension, jaundice, malaria, yellow fever | Lowers blood glucose levels, inhibits α-amylase activity | [16,173] |
|
Roots | Diabetes, diarrhea, snake bites, gastrointestinal disorders, spasms | Lowers blood glucose levels, improves glucose uptake | [174,175] |
|
Bark | Diabetes, diarrhea, constipation, dysentery, dermatitis, scabies, goiter | Decreases carbohydrate digestion and glucose absorption, lowers blood glucose levels, increases insulin secretion, improves glucose tolerance, inhibits DPP-IV enzyme activity | [26,51,176] |
|
Roots, seeds | Diabetes, gastric irritations, inflammatory diseases, wounds, and boils | Lowers blood glucose levels, improves β-cell function, increases insulin secretion | [177,178] |
|
Leaves | Diabetes, cough, diarrhea, dysentery, pain, contraceptive | Reduces glucose absorption, lowers blood glucose levels, increases insulin secretion and hepatic glucose utilization, improves glucose tolerance, inhibits DPP-IV activity | [179,180] |
|
Leaves | Diabetes, fever, bacterial and fungal infections, jaundice, muscle pain | Lowers fasting blood glucose levels, improves glucose uptake and utilization | [181,182] |
|
Leaves | Diabetes, asthma, malaria, chicken pox, hypertension, measles | Lowers elevated blood glucose levels, improves glucose tolerance | [183,184] |
|
Seeds | Diabetes, diarrhea, gastrointestinal infections, asthma, bronchitis, atherosclerosis | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and metabolism | [56,185] |
|
Leaves, seeds | Diabetes, constipation, piles, dysentery, asthma, anemia, hypertension, hemorrhage, | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake, inhibits α-glucosidase and DPP-IV activity | [56,186,187] |
|
Leaves, seeds | Diabetes, malaria, hypertension, scabies, liver diseases, obesity, ulcers, measles | Lowers blood glucose levels, increases insulin secretion and glucose uptake, improves glucose tolerance, decreases gluconeogenesis, inhibits α-glucosidase activity | [56,134,188] |
|
Leaves | Diabetes, asthma, enlarged liver, bacterial infections, eye problems, piles, influenza, diuretic | Reduces glucose absorption, lowers blood glucose levels, improves glucose uptake, inhibits α-amylase activity | [189,190] |
|
Leaves | Diabetes, piles, dysentery, itching, bruises, inflammation | Lowers blood glucose levels, inhibits α-amylase and α-glucosidase activity | [78,191] |
|
Flowers | Diabetes, dysentery, ulcers, hypertension, pain, inflammation, snake bites | Lowers blood glucose levels, increases insulin secretion, decreases glucosylated hemoglobin levels | [192,193] |
|
Seeds | Diabetes, hypertension, gastrointestinal disorders, back pain, paralysis, heart diseases, bacterial infections, malaria | Decreases carbohydrate digestion and absorption, lowers blood glucose levels, increases insulin secretion and sensitivity, improves glucose uptake and utilization | [194,195] |
|
Leaves | Diabetes, headaches, constipation, coughs, kidney diseases, warts | Inhibits α-amylase and α-glucosidase activity, reduces oxidative stress, inhibits glycogenolysis | [196,197,198] |
|
Leaves | Diabetes, ringworm, skin diseases, dysentery, dyspepsia, bronchitis, asthma | Increases insulin secretion, improves glucose uptake and utilization | [149,199] |
|
Leaves | Diabetes, constipation, urinary tract infections, asthma, hypertension, intestinal diseases | Lowers blood glucose levels, increases antioxidant activity | [200,201] |
|
Roots | Diabetes, insomnia, anorexia, confusion, hemorrhage | Improves peripheral insulin action, increases insulin sensitivity, decreases carbohydrate absorption | [202,203] |
|
Stem bark | Diabetes, HIV/AIDS, wounds, rheumatism, intestinal parasites | Lowers blood glucose levels, improves glucose tolerance | [16,204] |
|
Seeds | Diabetes, hypertension, obesity, blood cancer | Reduces insulin resistance, inhibits α-amylase and DPP-IV enzyme activity | [149,205] |
|
Leaves | Diabetes, spleen, liver and kidney diseases, gonorrhea, stomach problems | Lowers blood glucose levels, increases insulin secretion, improves insulin sensitivity | [206,207] |
|
Husk | Diabetes, constipation, diarrhea, hypercholesterolemia, hypertension, hemorrhoids | Improves glucose tolerance, decreases carbohydrate digestion and glucose absorption | [208,209] |
|
Bark | Diabetes, dysentery, cough, diarrhea, skin diseases, wounds, ulcer | Improves pancreatic β-cell function, increases insulin secretion, improves glucose uptake | [149,210,211] |
|
Flowers | Diabetes, urinary tract infections, arthritis, sore throat, skin diseases, anemia | Improves β-cell function, increases insulin secretion | [210,212,213] |
|
Roots | Diabetes, anemia, obesity, kidney diseases, osteoporosis | Improves pancreatic β-cell function, increases insulin secretion, improves glucose uptake, decreases oxidative stress | [214,215] |
|
Bark | Diabetes, jaundice, diarrhea, dysentery, liver tonic, inflammation, hypertension | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and utilization | [56,216] |
|
Leaves | Diabetes, fever, epilepsy, constipation, colitis, cancer, urinary tract infections | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and utilization | [56,217] |
|
Seeds | Diabetes, constipation, hypertension, high cholesterol, athlete’s foot | Inhibits α-amylase and α-glucosidase activity, exerts antioxidant activity | [56,218,219] |
|
Leaves | Diabetes, pneumonia, toothache, stomach ache, fever, tumor, tonsilitis | Lowers blood glucose levels, increases insulin secretion, decreases gluconeogenesis, increases glycogenesis | [220,221] |
|
Whole plant | Diabetes, hypercholesterolemia, atherosclerosis, obesity | Lowers blood glucose levels, increases insulin secretion, improves glucose tolerance, inhibits DPP-IV activity | [222,223] |
|
Bark, leaves | Diabetes, malaria, hypertension, epilepsy, liver diseases, weight loss | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and metabolism, inhibits α-amylase and α-glucosidase | [56,224] |
|
Seeds | Diabetes, diarrhea, dysentery, constipation, abdominal pain, wounds, malaria | Lowers blood glucose levels, increases insulin secretion | [56,225] |
|
Bark | Diabetes, cardiotonic, anemia, viral infections, venereal diseases, ulcers | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and utilization | [56,226] |
|
Fruit | Diabetes, fever, astringent, constipation, dementia | Improves β-cell function, increases insulin secretion, reduces glycosylated hemoglobin levels | [227,228] |
|
Leaves, roots, stem | Diabetes, dysentery, diarrhea, snake bites, asthma, fever, jaundice | Increases insulin secretion, inhibits gluconeogenesis, increases insulin sensitivity | [149,229] |
|
Seeds | Diabetes, bronchitis, pneumonia, indigestion, dysentery, high cholesterol | Lowers blood glucose levels, increases insulin secretion, improves glucose uptake and utilization | [56,134,230,231] |
|
Leaves | Diabetes, cardiovascular diseases, anemia, rhinitis, arthritis, gout, wounds | Increases insulin sensitivity, improves glucose tolerance | [232,233] |
|
Leaves | Diabetes, gastrointestinal disorders, amoebic dysentery, malaria, helminth infections | Lowers elevated blood glucose levels, inhibits gluconeogenesis and glycogenolysis | [234,235] |
|
Fruit | Diabetes, insomnia, impotence, nervous exhaustion, asthma, liver diseases | Lowers blood glucose levels, improves glucose tolerance | [56,236] |
|
Rhizome | Diabetes, nausea, high cholesterol, heartburn, indigestion, diarrhea, asthma | Lowers fasting blood glucose levels, increases insulin secretion | [119,237] |