Aspergillus luchuensis | |
---|---|
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Fungi |
Division: | Ascomycota |
Class: | Eurotiomycetes |
Order: | Eurotiales |
Family: | Aspergillaceae |
Genus: | Aspergillus |
Species: | A. luchuensis |
Binomial name | |
Aspergillus luchuensis (1901) [1] | |
Synonyms | |
Aspergillus foetidus and Aspergillus acidus |
Aspergillus luchuensis (previous names A. foetidus and A. acidus) is a species of fungus in the genus Aspergillus . It belongs to the group of black Aspergilli which are important industrial workhorses. [2] [3] [4] The fungus has been used to make awamori , a distilled spirit in Okinawa Island, Japan, [5] and is also used to make shōchū and sake. [6] [7] This species was first isolated and described by Tamaki Inui of the University of Tokyo in 1901. [1] [8] [9] For more than 100 years there has been confusion between this species and Aspergillus awamori and Aspergillus niger with regard to scientific names and classification. [10]
The scientific name for this species is derived from "Ryukyu", the historical name for Okinawa, Japan. [10] It is authorized as a "national fungi" (国菌, kokkin) along with Aspergillus oryzae , Aspergillus sojae and Aspergillus kawachii by the Scientific Conference of Brewing Society Japan because it is used not only in brewing but also in a variety of foods and is useful in the lives of Japanese people. [10] [11]
In 1918, Genichiro Kawachi isolated an albino mutant of Aspergillus luchuensis (black kōji) and named it Aspergillus kawachii (white kōji). This mutant is now also called Aspergillus luchuensis mut. kawachii. In shōchū brewing, Aspergillus oryzae (yellow kōji) was traditionally used, but black and white kōji produced more citric acid and were more effective in preventing microorganism growth, so the use of black kōji was recommended from the 1940s and white kōji from the 1950s. Brewing with each type of kōji brings different flavors to shōchū. [6] Sake was also traditionally brewed with yellow kōji, but from the 21st century sake brewed with white or black kōji began to appear. [7] The black kōji variants and white kōji that Kawachi discovered and isolated have been used in makgeolli and soju in Korea since the 1940s. [12] [13]
Its genome has been sequenced by two different research groups, first in 2016, [14] and then in 2017. [15] [16] The first sequencing of the A. luchuensis genome reported a genome assembly size of 34.7 Mbp and reported the presence of 11,691 genes.
Miso is a traditional Japanese seasoning. It is a thick paste produced by fermenting soybeans with salt and kōji and sometimes rice, barley, seaweed, or other ingredients. It is used for sauces and spreads, pickling vegetables, fish, or meats, and mixing with dashi soup stock to serve as miso soup, a Japanese culinary staple. Miso is high in protein and rich in vitamins and minerals, and it played an important nutritional role in feudal Japan. Miso is still widely used in both traditional and modern cooking in Japan and has been gaining worldwide interest.
Sake or saké, also referred to as Japanese rice wine, is an alcoholic beverage of Japanese origin made by fermenting rice that has been polished to remove the bran. Despite the name Japanese rice wine, sake, and indeed any East Asian rice wine, is produced by a brewing process more akin to that of beer, where starch is converted into sugars that ferment into alcohol, whereas in wine, alcohol is produced by fermenting sugar that is naturally present in fruit, typically grapes.
A mold or mould is one of the structures that certain fungi can form. The dust-like, colored appearance of molds is due to the formation of spores containing fungal secondary metabolites. The spores are the dispersal units of the fungi. Not all fungi form molds. Some fungi form mushrooms; others grow as single cells and are called microfungi.
Aspergillus niger is a mold classified within the Nigri section of the Aspergillus genus. The Aspergillus genus consists of common molds found throughout the environment within soil and water, on vegetation, in fecal matter, on decomposing matter, and suspended in the air. Species within this genus often grow quickly and can sporulate within a few days of germination. A combination of characteristics unique to A. niger makes the microbe invaluable to the production of many acids, proteins and bioactive compounds. Characteristics including extensive metabolic diversity, high production yield, secretion capability, and the ability to conduct post-translational modifications are responsible for A. niger's robust production of secondary metabolites. A. niger's capability to withstand extremely acidic conditions makes it especially important to the industrial production of citric acid.
Kikkoman Corporation is a Japanese food manufacturer. Its main products and services include soy sauce, food seasoning and flavoring, mirin, shōchū, and sake, juice and other beverages, pharmaceuticals, and restaurant management services.
Amazake is a traditional sweet, low-alcohol or non-alcoholic Japanese drink made from fermented rice. Amazake dates from the Kofun period, and it is mentioned in the Nihon Shoki. It is part of the family of traditional Japanese foods made using the koji mold Aspergillus oryzae, which also includes miso, soy sauce, and sake.
Shōchū is a Japanese distilled beverage. It is typically distilled from rice, barley, sweet potatoes, buckwheat, or brown sugar, though it is sometimes produced from other ingredients such as chestnut, sesame seeds, potatoes, or even carrots.
Awamori is an alcoholic beverage indigenous and unique to Okinawa, Japan. It is made from long grain indica rice, and is not a direct product of brewing but of distillation. The majority of awamori made today uses indica rice imported from Thailand, as the local production is largely insufficient to meet domestic demand, which has risen considerably in recent years.
Aspergillus is a genus consisting of several hundred mould species found in various climates worldwide.
Aspergillus oryzae, also known as kōji mold, is a filamentous fungus used in East Asia to saccharify rice, sweet potato, and barley in the making of alcoholic beverages such as sake and shōchū, and also to ferment soybeans for making soy sauce and miso. However, in the production of fermented foods of soybeans such as soy sauce and miso, Aspergillus sojae is sometimes used instead of A. oryzae. Incidentally, in China and Korea, the fungi used for fermented foods for a long time in the production of traditional alcoholic beverages were not A. oryzae but fungi belonging to Rhizopus and Mucor. A. oryzae is also used for the production of rice vinegars. Barley kōji (麦麹) or rice kōji (米麹) are made by fermenting the grains with A. oryzae hyphae.
Fermented tea is a class of tea that has undergone microbial fermentation, from several months to many years. The exposure of the tea leaves to humidity and oxygen during the process also causes endo-oxidation and exo-oxidation. The tea leaves and the liquor made from them become darker with oxidation. Thus, the various kinds of fermented teas produced across China are also referred to as dark tea, not be confused with black tea. The most famous fermented tea is pu'er produced in Yunnan province.
Moyasimon: Tales of Agriculture, known in Japan as Moyashimon (もやしもん), is a Japanese manga series by Masayuki Ishikawa. It was serialized in Kodansha's seinen magazine Evening from July 2004 to June 2013 and moved to the magazine Monthly Morning Two, where it concluded in January 2014. The series follows Tadayasu Sawaki, a first-year college student at an agricultural university, who has a unique ability to see and communicate with microorganisms. Del Rey Manga licensed the manga, but only released two volumes in English in North America. An 11-episode anime television series adaptation, animated by Shirogumi and Telecom Animation Film, aired between October and December 2007 on Fuji TV's Noitamina programming block. An 11-episode live action adaptation was aired on Noitamina between July and September 2010. An 11-episode animated second season titled Moyasimon Returns aired from July to September 2012.
Sake kasu (酒粕) or sake lees is the name given to the pressed lees left over from the production of sake. It is used as a cooking ingredient that is white in color, having a paste-like texture. The taste of sake kasu is fruity and has a similar taste to sake. A by-product of Japanese sake production, it typically contains 8% alcohol, has high nutritional value, and might have health benefits.
The Mathematical Society of Japan is a learned society for mathematics in Japan.
Aspergillus sojae is a species of fungus in the genus Aspergillus.
Symbiotic fermentation is a form of fermentation in which multiple organisms interact in symbiosis in order to produce the desired product. For example, a yeast may produce ethanol, which is then consumed by an acetic acid bacterium. Described early on as the fermentation of sugars following saccharification in a mixed fermentation process.
Aspergillus awamori is the scientific name for what, until about 2013, was considered a type of black Aspergillus used to awamori and shōchū. Due to international research in 2013, the black kōji used to make awamori and shōchū is now commonly referred to by the scientific name Aspergillus luchuensis.
This glossary of sake terms lists some of terms and definitions involved in making sake, and some terms which also apply to other beverages such as beer. Sake, also referred to as a Japanese rice wine, is an alcoholic beverage made by fermenting rice that has been polished to remove the bran. Unlike wine, in which alcohol is produced by fermenting sugar that is naturally present in fruit, sake is produced by a brewing process more akin to that of beer, where starch is converted into sugars which ferment into alcohol.
Miki is a Japanese drink from Amami Oshima, Kagoshima Prefecture and Okinawa Prefecture, areas known for health and longevity. It is an arrangement based on omiki, a beverage used in Shinto rituals and festivals. Miki is made from fermented rice, sweet potatoes, and sugar and was traditionally made in every household on the island. It is sold commercially as a soft drink, with many specialized shops selling it, and some grocery stores.
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