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Th 3, 13/12/2022 | 19:11 CH

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Geographical indication protection of “Phetchabun” for sweet tamarind fruit products

On November 24, 2021, the Director of the National Office of Intellectual Property issued Decision No. 5300/QD-SHTT on the granting of a Geographical Indication Registration Certificate No. 00114 for the "Phetchabun" sweet tamarind product for Phetchabun Province (Phetchabun Provincial Government).

Phetchabun Province is located in the southern part of Northern Thailand, known as a Thai sweet tamarind growing province and hometown of 11 varieties of sweet tamarind. The names of these varieties of tamarind are named after the shape of the fruit or the name of the person who bred or discovered the tamarind variety. In 1974, on "Farmer's Day of Phetchabun Province", Phetchabun Province held a "Sweet Tamarind Competition", since then, the event "Red Cross: Sweet Tamarind of Phetchabun Province" has been held annually since 12/01 to 20/01.

Phetchabun sweet tamarind is the second geographical indication of Thailand to be protected in Vietnam, after Thai Isan silk.

The shape of the Phetchabun sweet tamarind fruit is straight or curved depending on the variety of tamarind. Phetchabun sweet tamarind has even brown skin, the flesh is thick, evenly colored, soft, chewy, and low in fiber, with a sweet aroma.

Based on natural geographical conditions and traditional cultivation of sweet tamarind varieties, the specific properties and quality of sweet tamarind are obtained as mentioned above.

The geographical area has a basin topography with the central area being the Pasak River stretching from North to South. The topography here is characterized by plateaus with several basins creating rich soils with high phosphorus and potassium content, porous soil, and containing many microorganisms, minerals, and large soil thickness. at least 1m), the pH is about 5 - 7.5, so it is very suitable for growing sweet tamarind.

During the flowering and fruiting stage of the tamarind tree, the geographical area has an air humidity of about 50% - 90% and about 60% during the ripening stage. In addition, the geographical area also has sufficient and stable rainfall during the flowering period of the tamarind tree so that the tree can grow well. The average annual rainfall ranges from 1,000-1,300mm/year, the average annual temperature is about 27oC.

Phetchabun sweet tamarind includes 5 varieties of sweet tamarind with straight fruit (Sichomphu variety, Khandee variety, Prakai Thong variety, Fak Dap variety, Wan Lon variety) and 6 varieties of sweet tamarind with curved fruit (Sithong variety, Sithong Bao variety, Nam Phueng variety, Inthaphalam variety, Mun Jong variety, Saeng Athit variety). The sweet tamarind trees in the geographical area are watered, fertilized, and pruned appropriately according to each stage of plant growth, especially in the dry season, during the flowering period.

Phetchabun sweet tamarind harvest season from November to April next year. After harvesting, the tamarinds will be sun-dried or lightly dried. To preserve the product for a long time, tamarinds are continued to be preserved by one of the following methods: drying; drying; stored in a cold room at a temperature lower than 10oC; irradiation with gamma rays; Steam with hot steam for 8 - 15 minutes depending on the size of the fruit. The product is packed in Phetchabun province, Thailand.

Geographical area: Phetchabun Province, Thailand.

Center for Examining Geographical Indication and International Trademark