Poppy seed is an oilseed obtained from the poppy (Papaver somniferum). The tiny kidney-shaped seeds have been harvested from dried seed pods by various civilizations for thousands of years. It is still widely used in many countries, especially in Central Europe, where it is legally grown and sold in shops. The seeds are used whole or ground into meal as an ingredient in many foods – especially in pastry and bread – and they are pressed to yield poppyseed oil.
The poppy seed is mentioned in ancient medical texts from many civilizations. For instance, the Egyptian papyrus scroll named Ebers Papyrus, written c. 1550 BC, lists poppy seed as a sedative. The Minoan civilization (approximately 2700 to 1450 BC), a Bronze Age civilization which arose on the island of Crete, cultivated poppies for their seed, and used a milk, opium and honey mixture to calm crying babies. The Sumerians are another civilization that are known to have grown poppy seeds.
Poppy seeds are less than a millimeter in length, kidney-shaped, and have a pitted surface. It takes 3,300 poppy seeds to make up a gram, and between 1 and 2 million seeds to make up a pound. The primary flavor compound is 2-Pentylfuran.
To some extent, harvesting for poppy seeds is in conflict with harvesting for opium. Poppy seeds of superior quality are harvested when they are ripe, after the seed pod has dried. Traditionally, opium is harvested while the seed pods are green and their latex is abundant, but when the seeds have just begun to grow.
The seeds of other poppy types are not eaten, but they are cultivated for the flowers they produce. Annual and biennial poppies are considered a good choice to cultivate from seed as they are not difficult to propagate by this method, and can be put directly in the ground during January. The California poppy (Eschscholzia californica), for example, is a striking orange wildflower that grows in the Western and Northwestern United States.
|Poppy seed production – 2016|
|Source: FAOSTAT of the United Nations|
The poppy seed harvest can be a by-product of opium poppy cultivation for opium, poppy straw, or both opium and poppy straw. Conversely, poppy straw can be a by-product of cultivation of poppy seeds. Compared to the seed pod and straw, the seeds contain very low levels of opiates. The seeds may be washed to obtain poppy tea but a large amount is needed, around 300-400g depending on the levels of opiates.
According to The Joy of Cooking, "the most desirable come from Holland and are a slate-blue color." The color of poppy seeds is important in some uses. When used as a thickener in some dishes, white poppy seeds are preferred, having less impact on the color of the food. In other dishes, black poppy seeds are preferred, for maximum impact.
Since poppy seeds are relatively expensive, they are sometimes mixed with the seeds of Amaranthus paniculatus, which closely resemble poppy seeds.
|Nutritional value per 100 g (3.5 oz)|
|Energy||2,196 kJ (525 kcal)|
|Dietary fiber||19.5 g|
|Vitamin A equiv.||
|Vitamin A||0 IU|
|Pantothenic acid (B5)||
†Percentages are roughly approximated using US recommendations for adults. |
Source: USDA Nutrient Database
In a 100 gram amount, poppy seeds provide 525 Calories and are a rich source of thiamin, folate, and several essential minerals, including calcium, iron, magnesium, manganese, phosphorus and zinc (table). Poppy seeds are composed of 6% water, 28% carbohydrates, 42% fat, and 21% protein (table).
Use in food and cooking
Whole poppy seeds are widely used as a spice and decoration in and on top of many baked goods. In North America they are used in and on many food items such as poppyseed muffins, rusk, bagels (like the Montreal-style bagel), bialys, and cakes such as sponge cake. Across Europe, buns and soft white bread pastries are often sprinkled on top with black and white poppy seeds (for example Cozonac, Kalach Kolache and, Kołacz).
Blue poppy seeds are used in various German breads and desserts as well as in Polish cuisine. Like sesame seeds, poppy seeds are often added to hamburger buns. Le Snak is a food product made by Uncle Toby's of Australia, consisting of three poppy-seed crackers and a portion of semi-solid cheese.
Fillings in pastries are sometimes made of finely ground poppy seeds mixed with butter or milk and sugar. The ground filling is used in poppy seed rolls and some croissants and may be flavored with lemon or orange zest, rum and vanilla with raisins, heavy cream, cinnamon, and chopped blanched almonds or walnuts added. For sweet baked goods, sometimes instead of sugar a tablespoon of jam, or other sweet binding agent, like syrup is substituted. The poppy seed for fillings are best when they are finely and freshly ground because this will make a big difference in the pastry filling's texture and taste. Some recipes for Mohnstriezel use poppy seed soaked in water for two hours or boiled in milk. A recipe for Ukrainian poppyseed cake recommends preparing the seeds by immersing in boiling water, straining and soaking in milk overnight.
Poppy seeds can be ground using a generic tool such as a mortar and pestle or a small domestic type electric blade grinder, or a special purpose poppy seed grinder. A poppy seed grinder (mill) is a type of burr grinder with a set aperture that is too narrow for intact poppy seeds to pass through. A burr grinder produces a more uniform and less oily paste than these other tools.
Poppy seed paste is available commercially, in cans. Poppy seeds are very high in oil, so commercial pastes normally contain sugar, water, and an emulsifier such as soy lecithin to keep the paste from separating. Commercial pastes also contain food preservatives to keep them from becoming rancid.
In the United States, commercial pastes are marketed under brand names including Solo and American Almond. Per 30 gram serving, the American Almond poppy seed paste has 120 calories, 4.5 grams fat, and 2 grams protein.
Poppy seeds can also be used like sesame seeds to make a bar of candy. The bars are made from boiled seeds mixed with sugar or with honey. This is especially common in the Balkans, Greece and even in the cuisines of former Austro-Hungarian countries.
Use by cuisine
Poppy seeds are used around the world in various cuisines.
In India, Iran and Turkey poppy seeds are known as 'khas-khas' or 'haşhaş' and are considered highly nutritious, mostly added in dough while baking bread, and recommended for pregnant women and new mothers.
The seeds of the czech blue poppy (food safety cultivars Papaver somniferum) are widely consumed in many parts of Central and Eastern Europe. The sugared, milled mature seeds are eaten with pasta, or they are boiled with milk and used as filling or topping on various kinds of sweet pastry. Milling of mature seeds is carried out either industrially or at home, where it is generally done with a manual poppy seed mill.
The states of former Yugoslavia (notably Macedonia and Serbia, but also Croatia and Bosnia) have a long tradition of preparing poppy seed pastry (strudel, baklava, pajgle) and dishes (pasta with poppy seeds).
In Poland, Lithuania and Eastern Slovakia, a traditional dessert is prepared for the Kūčios (Christmas Eve) dinner from poppy seeds. They are ground and mixed with water or milk; round yeast biscuits (kūčiukai in Lithuanian; opekance or bobalky in Slovak) are soaked in the resulting poppy seed 'milk' (poppy milk) and served cold.
In Central Europe, poppy strudel is very popular, especially during Christmas. In Germany, Poland and countries belonging to the former Austro-Hungarian Empire, poppy seed pastries called Mohnkuchen are often eaten around Christmas time.
In Eastern European Jewish cuisine, pastries filled with black poppy seeds in a sugary paste are traditional during Purim, which occurs exactly one month before Passover and approximately a month before Easter. Traditional pastries include poppy seed kalács and hamantashen, both sometimes known as beigli (also spelled bejgli). Poppy seed hamantashen were the main traditional food eaten by Ashkenazi Jews at Purim until the filling was replaced by other fruit and nut fillings. Poppy seed pastries are common in Jewish bakeries and delicatessens throughout the United States.
In Indian cuisine white poppy seeds are added for thickness, texture and also give added flavor to recipes. Commonly used in the preparation of korma, ground poppy seeds, along with coconut and other spices, are combined as a paste to be added at the last stage of cooking. It is quite hard to grind the seeds when raw, so water is usually added after they are toasted or broiled to get the right consistency when grinding.
Words for poppy seed paste include Assamese – Aafu guti (আফু গুতি), Hindi/Marathi – Khas Khas (खस खस), Odia – Posta, Bengali – Posto, Kannada – Gasagase (ಗಸಗಸೆ) or Telugu gasagasa (గసగసాలు) or gasagasaalu or Tamil Kasa kasaa (கசகசா) or Malayalam – (കശ കശ).
In Bengal (West Bengal and Bangladesh), white poppy seeds are called posto পোস্তো). They are very popular and are used as the main ingredient in a variety of dishes. One of the most popular dishes is aloo posto (potato and poppy seeds) which consists of a large amount of ground poppy seeds cooked together with potatoes and made into a smooth, rich product, which is sometimes eaten with rice. There are many variants to this basic dish, replacing or complementing the potatoes with such ingredients as onions (pnyaj posto), pointed gourd (potol posto), Ridged Luffa (jhinge posto), chicken (murgi posto), and prawns (chingri posto). The cooked poppy seeds are sometimes served without any accompanying ingredients at all. The consistency of the dish may vary depending on local or household traditions. There are many other posto dishes. Chadachadi is a dish from Bengali cuisine and includes long strips of vegetables, sometimes with the stalks of leafy greens added, all lightly seasoned with spices like mustard or poppy seeds and flavored with a phoron. One dish involves grilling patties made from posto, sometimes frying them (posto-r bora). Another dish involves simply mixing uncooked ground poppy seeds (kancha posto) with mustard oil, chopped green chili peppers, fresh onions and rice.
The cuisine of the southern part of the south Indian state of Karnataka includes a very popular dish called Gasagase Payasa (Kannada: ಗಸಗಸೆ ಪಾಯಸ). It is a liquid dessert made out of white poppy seeds, jaggery, coconut and milk. Andhra cuisine also uses white poppy seeds, called Gasaalu (గసాలు) in Telugu, in various recipes.
The seeds themselves do not contain significant amounts of opiates. But a poppy tea consumed in some areas and often referred to as doda has been controversial for containing ground opium poppy plant, especially the seed head, and contains significant levels of opiates. Popular in some South Asian communities, doda is created by grinding dried poppy husks or poppy seeds into a fine powder and then ingesting the mix with hot water or tea. In Canada, doda is made from poppy plants brought in from Afghanistan and Arizona under the guise of legal purposes such as floral arrangements, but is sold illegally from some meat markets.
White poppy seeds called khashkhash (خشخاش) are essential for a type of cookies called Kulcha (کولچہ). Kulcha can be salty (namkeen) or sweet (Qandi). Both kinds are covered on top with a layer of white poppy seeds.
Poppy seeds are pressed to form poppyseed oil, a valuable commercial oil that has multiple culinary and industrial uses. They are often used as bird seed, in which case they are usually called maw seeds.
False positive drug tests
Although the drug opium is produced by "milking" latex from the unripe fruits ("seed pods") rather than from the seeds, all parts of the plant can contain or carry the opium alkaloids, especially morphine and codeine. This means that eating foods (e.g., muffins) that contain poppy seeds can result in a false positive for opiates in a drug test. However the results provided will not be the same for someone who uses opiates.
Morphine levels in poppy seeds range between 4–200 mg/kg. According to an article published in the Medical Science Law Journal, after ingesting "a curry meal or two containing various amounts of washed seeds" where total morphine levels were in the range 58.4 to 62.2 µg/g seeds, the urinary morphine levels were found to range as high as 1.27 µg/mL (1,270 ng/mL) urine. Another article in the Journal of Forensic Science reports that concentration of morphine in some batches of seeds may be as high as 251 µg/g. In both studies codeine was also present in the seeds in smaller concentrations. Therefore, it is possible to cross the current standard 2,000 ng/mL limit of detection, depending on seed potency and quantity ingested. Some toxicology labs still continue to use a cutoff level of 300 ng/mL.
Discovery Channel's MythBusters series episode "Poppy Seed Drug Test" demonstrated that eating both poppy seed bread and poppy seed bagels resulted in both of the hosts testing positive for opiate use, 30 minutes later.
A fictional example of such a false positive test in popular culture was in the Seinfeld episode "The Shower Head", where the character Elaine Benes was not allowed to visit Kalahari Bushmen with J. Peterman after testing positive for opium from the consumption of poppy seed muffins.
Prohibitions on poppyseeds and other poppy-related spices
The sale of poppy seeds from Papaver somniferum is banned in Singapore because of the morphine content. Poppy seeds are also prohibited in Taiwan, primarily because of the risk that viable seeds will be sold and used to grow opium poppies. China prohibits spice mixes made from poppyseed and poppyseed pods because of the traces of opiates in them, and has since at least 2005. Despite its present use in Arab cuisine as a bread spice, poppy seeds are also banned in Saudi Arabia for various religious and drug control reasons. In one extreme case in the United Arab Emirates, poppy seeds found on a traveler's clothes led to imprisonment. Concerns were raised in Malaysia by MP Datuk Mohd Said Yusof who claimed in 2005 that mamak restaurants used poppy seeds in their cooking to get customers addicted to it.
As poppy seeds cause false positive results in drug tests, it is advised in airports in India not to carry such items to other countries, where this can result in punishments based on false positive results. Travelers to the United Arab Emirates are especially prone to difficulties and severe punishments.
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