Caigua | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Cucurbitales |
Family: | Cucurbitaceae |
Genus: | Cyclanthera |
Species: | C. pedata |
Binomial name | |
Cyclanthera pedata (L.) Schrader | |
Synonyms [1] | |
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Cyclanthera pedata, known as caigua, is a herbaceous vine grown for its edible fruit, which is predominantly used as a vegetable. It is known from cultivation only, and its use goes back many centuries as evidenced by ancient phytomorphic ceramics from Peru depicting the fruits.
Not known in the wild, but presumably native to the Andes where it has been traditionally cultivated. [2]
Cyclanthera pedata is a vine that can be 12 m long; the stems are thin; and the leaves can be up to 24 cm long, palmate or pedate in shape. [2] The small flowers can be greenish or white and are borne in racemes. [2] The fruit is light green, ovoid, curved, up to 15 cm long, almost hollow (except for the seeds and a thin flesh layer), with smooth skin or sometimes covered in soft spines; the seeds are black. [2] [3]
Cyclanthera pedata is grown at small scale farming in mountain areas of Mexico, Central America and South America. [2] It is sometimes cultivated in Asia. [2] This species can be grown in mountain areas up to 2000, being adapted to cool temperatures. [2] [4]
Known in the Andes as caigua [4] or caihua [4] (possibly from Quechua kaywa); [5] also as achocha [4] (possibly from Quechua achuqcha). [5] In English it is named stuffing cucumber or slipper gourd. [2] In Costa Rica it is called Jaiva. In Darjeeling, India, it is called Chuchay Karela. In Chinese, it is known as 小雀瓜.
The fruits are eaten after removing the seeds and stuffing them with other foods like rice or meat, and then cooking them. [2] Young shoots and leaves can also be eaten as greens. [2] The fruits are a source of potassium, magnesium and phosphorus. [6] Fruit flavor is similar to cucumber crossed with green bean or otherwise tasteless. [2] [3]
Nutritional value per 100 g (3.5 oz) | |
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Energy | 17 kcal (71 kJ) |
4 g | |
Dietary fiber | 0.7 g |
0.1 g | |
0.6 g | |
Vitamins | Quantity %DV† |
Thiamine (B1) | 3% 0.04 mg |
Riboflavin (B2) | 3% 0.04 mg |
Niacin (B3) | 2% 0.3 mg |
Vitamin C | 17% 14 mg |
Minerals | Quantity %DV† |
Calcium | 1% 14 mg |
Iron | 2% 0.21 mg |
Magnesium | 2% 8.4 mg |
Phosphorus | 4% 26 mg |
Potassium | 3% 152 mg |
Sodium | 0% 0.91 mg |
Other constituents | Quantity |
Water | 94.1 % |
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†Percentages are roughly approximated using US recommendations for adults. |
The fruits contain flavonoid glycosides [8] of which four show an antioxidant effect. [9]
Caigua fruits generally exhibit high antioxidant activity but a low total phenolic content, which indicates that non-phenolic water-soluble compounds might be involved. [10] Flavonoids are present in this cyclanthera species, which have antioxidant properties as well and were shown that with a high intake are correlated to a decrease in heart disease. [8]
Dried samples of caigua showed α-amylase inhibition and relevant ACE inhibitory activities. [10]
A negative aspect of caigua is, that the seeds contain a group of trypsin inhibitors, which negatively affect protein absorption. [11]
Other chemicals in the Caigua include triterpenoid saponins and the seeds have been reported with six cucurbitacin glycosides. [12] as well as 28-30 amino acids. [11]
The Moche culture often depicted this species in their ceramics. [13] Remains of this species have also been found buried in archaeological sites on the Peruvian coast. [14]
Prunus is a genus of trees and shrubs, which includes the fruits plums, cherries, peaches, nectarines, apricots, and almonds.
Polyphenols are a large family of naturally occurring organic compounds characterized by multiples of phenol units. They are abundant in plants and structurally diverse. Polyphenols include flavonoids, tannic acid, and ellagitannin, some of which have been used historically as dyes and for tanning garments.
Rubus idaeus is a red-fruited species of Rubus native to Europe and northern Asia and commonly cultivated in other temperate regions.
Quercetin is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, seeds, and grains; capers, red onions, and kale are common foods containing appreciable amounts of it. It has a bitter flavor and is used as an ingredient in dietary supplements, beverages, and foods.
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The Andean cock-of-the-rock, also known as tunki (Quechua), is a large passerine bird of the cotinga family native to Andean cloud forests in South America. It is widely regarded as the national bird of Peru. It has four subspecies and its closest relative is the Guianan cock-of-the-rock.
Solanum muricatum is a species of evergreen shrub native to South America and grown for its sweet edible fruit.
Oenocarpus bacaba is an economically important monoecious fruiting palm native to South America and the Amazon Rainforest, which has edible fruits. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius. It can reach up to 20–25 metres tall and 15–25 cm in diameter. It grows in well-drained sandy soils of the Amazon basin.
Flavonols are a class of flavonoids that have the 3-hydroxyflavone backbone. Their diversity stems from the different positions of the phenolic -OH groups. They are distinct from flavanols such as catechin, another class of flavonoids.
Anthocyanins, also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black. In 1835, the German pharmacist Ludwig Clamor Marquart gave the name Anthokyan to a chemical compound that gives flowers a blue color for the first time in his treatise “Die Farben der Blüthen”. Food plants rich in anthocyanins include the blueberry, raspberry, black rice, and black soybean, among many others that are red, blue, purple, or black. Some of the colors of autumn leaves are derived from anthocyanins.
Cucurbitacin is a class of biochemical compounds that some plants – notably members of the pumpkin and gourd family, Cucurbitaceae – produce and which function as a defence against herbivores. Cucurbitacins are chemically classified as triterpenes, formally derived from cucurbitane, a triterpene hydrocarbon – specifically, from the unsaturated variant cucurbit-5-ene, or 19(10→9β)-abeo-10α-lanost-5-ene. They often occur as glycosides. They and their derivatives have been found in many plant families, in some mushrooms and even in some marine mollusks.
Aristotelia chilensis, known as maqui or Chilean wineberry, is a tree species in the Elaeocarpaceae family native to South America in the Valdivian temperate rainforests of Chile and adjacent regions of southern Argentina. Limited numbers of these trees are cultivated in gardens for their small fruits, known as maqui berries. Most of the fruits commercially marketed come from the wild.
Sarcolobus globosus is a twining shrub native to tropical regions of Asia including India, China, Thailand, Malaysia, Myanmar-Burma, the Philippines and Indonesia.
In biochemistry, naturally occurring phenols refers to phenol functional group that is found in natural products. Phenolic compounds are produced by plants and microorganisms. Organisms sometimes synthesize phenolic compounds in response to ecological pressures such as pathogen and insect attack, UV radiation and wounding. As they are present in food consumed in human diets and in plants used in traditional medicine of several cultures, their role in human health and disease is a subject of research. Some phenols are germicidal and are used in formulating disinfectants.
Eriocitrin is a flavanone-7-O-glycoside between the flavanone eriodictyol and the disaccharide rutinose. It is commonly found in lemons and other citrus fruits. It is colloquially called lemon flavonoid or a citrus flavonoid, one of the plant pigments that bring color to fruit and flowers. This antioxidant also predominates in Peppermint infusions.
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The passion fruit is the fruit of a number of plants in the genus Passiflora.