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Diplazium esculentum (Retz.) Sw.

Summary
It is commonly known as Lingad, a fern vegetable. It belongs to the family Athyriaceae. The young tender fronds are stir-fried. It has a number of bioactive compounds like Lutein, Phytol, Quercetin, Pterosin B, Sabinene, Apgenin, α- Linolenic acid, α -Pinene, β- ocimene, Pinene, and Ponasterone A. Both raw and boiled forms of D. esculentum contains potent immunosuppressive activities as evident by Th1/Th2 cytokine imbalance.

Mode of Consumption : Boiled and stir fried
Plant Details Agro-climatic Zone Vernacular Names Pictures
Scientific Name: Diplazium esculentum (Retz.) Sw.
Family: Aspleniaceae Newman
Class: Polypodiopsida
Order: Polypodiales
Genus: Diplazium Sw.
Fruiting Season: March -July (Himachal) June-September (Assam)
Parts: Tender fronds
  • The North-Eastern Hill Region
  • North-Western Mountain Region
  • The Upper Ganga Plain Region
  • The Lower Ganga Plain Region
 Arunachal Pradesh : Takang, Pu kut Dhekia, Kukuling, Lochanch
Assam : Dhekia Saag
Himachal Pradesh : Lingad, Lingra
Jammu & Kashmir : Kasrot
Mizoram : Mrang khowa
Sikkim : Ningro
Tripura : Cluli
Uttarakhand : Linguda, Lingru
West Bengal : Dhenkir Shaak

Bundle of tender fronds


Tender fronds
Compound/Extract Activity Mode of Action Marker/References
ExtractAnti-inflammatoryExtracts stabilized the mast cell membrane and inhibited the production of nitric oxide synthase (NOSs) resulting in a decreased level of nitric oxide in both serum and peritoneal fluid.NOSs[1]
Hydroalcoholic leaf extracAntioxidantHydroalcoholic leaf extract suppresses the production of Nitric oxide in the cells.NO[3]
Aqueous extractNeurostimulatingAqueous extract stimulated the CNS function in mouse. [7]
Chloroform and acetone extractsAnti-inflammatoryChloroform and Acetone extracts at a dose of 100 mg/kg showed significant reduction in the Carrageenan induced paw edema in rat. [8]
Major Class Metabolites (Content of bioactives: mg/100g Fresh Weight)
Acid anhydridePhosphoric acid: [6]
Alcohol10,12-Hexadecadien-1-ol: , 1-Heneicosanol: [6]
AlkeneNeophytadiene: [5]
Carboxylic Acid1,2- Benzenedicarboxylic acid: , Acetate: , Diisobutyl phthalate: , Phthalic acid: , Protocatechuic acid: , trans-Cinnamic acid: [5]
CarotenoidLutein: [6]
Ecdysteroid compoundMakisterone C: [5]
Fatty acid5,8,11,14-Eicosatetraenoic acid: , Hexadecanoic acid methyl ester: , Pentadecanoic acid: [6]
Flavonoid Quercetin: [6]
IndenePterosin B: 1.094 - 1.636 mg/100g[6]
Palmitic AcidMethyl palmitate: [5]
PhytosterolPonasterone A: , Stigmast-5-en-3-ol, (3β): [6]
SteroidAmarasterone A1: , Ergost-5-en-3-ol, (3β): [6]
SugarPhytic acid : 0.3[9]
TerpeneCaryophyllene oxide: , Esculentic acid: , Phytol: , Ptaquiloside: , α-Pinene: , β-ocimene: [6]
Terpenoid1,8-Cineole: [5]
VitaminAscorbic acid: [5]
Effect Observation DOI
Disease Formulation Reference Author TKDL
Information from Wealth of India Reference
  • Young fronds are eaten either as salad or vegetable after cooking,
 CSIR(1952).The Wealth of India, Raw materials,Vol.-III ,P.87-88, New Delhi, India
4.2, 4.2.1, 4.2.1.1, 4.2.1.3, 4.2.2.8
  • Raw and boiled Diaplazium esculentum contains immunosuppressent and hemolytic properties
CSIR-North East Institute of Science and Technology, Jorhat-6, Assam, India
CSIR-Institute of Himalayan Bioresource Technology, Palampur-61,Himachal Pradesh, India