Is a wild walnut a walnut? Who are unfit to eat?

Everyone is a stranger to wild walnuts. So wild walnuts are walnuts? What is the effect and effect of wild walnut? Who is not suitable to eat wild walnuts? Let's take a look.

Is wild walnut a walnut?

Wild walnut is a kind of walnut, also known as hickory, walnut, etc., is a deciduous tree or small tree of the walnut family. The main difference from other species of this genus is that the leaflets are densely covered with pubescent and star-shaped hairs, the fruit sequence is long and drooping, and the seed oil content is up to 34%. It can be used as soap, lubricating oil, wood, bark and pericarp for a variety of economic and medical uses, and is often used as a rootstock for edible walnut.

The wild walnut tree is as high as 1225m, with a breast diameter of 1mm and 1.5m. The young branches are gray-green, separated by glandular hairs and thin sheets of pith, and the terminal buds are tapered and exposed. Leaves odd-pinnate, usually 40-50 cm long, petiole and leaf rachis hairy, with 9-17 leaflets. Leaflets subopposite, sessile, stiff papery, ovate rectangular orbicular or long ovate, 8 × 15 cm long and 3 × 7.5 cm wide, apex acuminate, base obliquely rounded or slightly obliquely cordate, margin serrulate, both surfaces with stellate hairs, sparse above, densely below, midrib and lateral veins also have glandular hairs, lateral veins 11-17 pairs.

Wild walnut is born in the mixed wood forest with an altitude of 800 to 2000 meters above sea level, and most of its natural producing areas are in warmer areas. It is a thermophilic tree species, but it has strong cold tolerance, is not resistant to wet heat, requires sufficient sunshine, has high requirements for soil fertility, and is not resistant to barren. Like fertile, moist, well-drained slightly acidic soil to slightly alkaline soil The producing areas are distributed in Gansu, Shaanxi, Shanxi, Henan, Hubei, Hunan, Sichuan, Guizhou, Yunnan, Guangxi, Xinjiang and other places.

Second, the efficacy and function of wild walnut.

Wild walnut seed oil is edible and can be used as soap and lubricating oil. The wood is solid and uncracked for a long time, and can be used for all kinds of furniture. The bark and exocarp contain tannins, which can be used as raw materials of tannin extract. The endocarp is thick and can be used to make activated carbon. The bast fiber of bark can be used as raw material for fiber industry. Wild walnut oil has the effect of moistening bowels, killing insects and reducing sores, while wild walnut kernels have the effects of moistening the lungs and resolving phlegm, warming the kidney and helping yang, moisturizing the skin and defecating.

Who is not suitable to eat wild walnuts?

1. Patients with pneumonia and bronchiectasis are not easy to eat wild walnuts, which is due to wild walnut fever and phlegm.

2. Walnuts cannot be eaten with pheasant meat or wine. These foods are easy to cause blood fever. Especially people with persistent diseases of hemoptysis should be taboo. Such as bronchiectasis, pulmonary tuberculosis patients, drinking liquor can cause hemoptysis, do not eat together with walnuts, can also cause disease.