Results 181 to 190 of about 14,098 (221)
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Triterpenoids from the leaves of Psidium guajava
Phytochemistry, 2002Two triterpenoids, 20beta-acetoxy-2alpha,3beta-dihydroxyurs-12-en-28-oic acid (guavanoic acid, 3), and 2alpha,3beta-dihydroxy-24-p-z-coumaroyloxyurs-12-en-28-oic acid (guavacoumaric acid, 7), along with six known compounds 2alpha-hydroxyursolic acid (1), jacoumaric acid (2), isoneriucoumaric acid (4), asiatic acid (5), ilelatifol D (6) and beta ...
Sabira, Begum +5 more
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Chemotype diversity of Psidium guajava L.
Phytochemistry, 2018The essential oil of Psidium guajava L. has been studied for pharmacological and industrial purposes, without considering the plant's genotype regarding the heterogeneity of its composition. The present study aimed to characterize the chemotype diversity of the essential oil extracted from the leaves of 22 genotypes of P. guajava grown in two different
Tércio da Silva, de Souza +5 more
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Antimicrobial activity of Psidium guajava L.
Fitoterapia, 2002Psidium guajava aqueous bark and methanolic extracts were found to possess anti-bacterial activity.
S I, Abdelrahim +3 more
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Breeding Guava (Psidium guajava L.)
2008Guava tree (Psidium guajava L.) has its origin in the American tropics and is today distributed throughout the tropical and subtropical areas of the world (Kwee and Chong 1990; Gonzaga Neto and Soares 1994; Medina 1988). It belongs to the Myrtaceae family, comprising a large number of fruit yielding species (Pereira and Nachtigal 2002; Ray 2002; Kwee ...
Celso V. Pommer, Katia R. N. Murakami
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ILLUSTRATED DESCRIPTORS FOR GUAVA (PSIDIUM GUAJAVA)
Acta Horticulturae, 2010Usually, the easiest assessment of genetic variation is through morphological or phenotypic measures. Also, the problems arising from the identification of a great number of plants in a fruit tree collection as well as those concerned with the protection of varietal names ask for the use of specific descriptors. In consequence, the guidelines published
N.N. Rodríguez-Medina +7 more
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2007
Psidium pyriforme Linnaeus, Plantae Surinamenses: 10. 1775, orth. var. "Habitat [in Surinamo.]" RCN: 3594. Lectotype (McVaugh in Howard, Fl. Lesser Antilles 5: 523. 1989): Herb. Clifford: 184, Psidium 1 (BM). Current name: Psidium guajava L. (Myrtaceae). Note: An orthographic variant of P. pyriferum L. (1762).
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Psidium pyriforme Linnaeus, Plantae Surinamenses: 10. 1775, orth. var. "Habitat [in Surinamo.]" RCN: 3594. Lectotype (McVaugh in Howard, Fl. Lesser Antilles 5: 523. 1989): Herb. Clifford: 184, Psidium 1 (BM). Current name: Psidium guajava L. (Myrtaceae). Note: An orthographic variant of P. pyriferum L. (1762).
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1996
The guava (Psidium guajava L., family Myrtaceae) originated in tropical America, where it is found both cultivated and growing wild. It is reported to have been growing in the West Indies since 1526, and was introduced by the Spaniards to the Philippines and by the Portuguese to India by the early 17th century. It quickly spread to most of the tropical
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The guava (Psidium guajava L., family Myrtaceae) originated in tropical America, where it is found both cultivated and growing wild. It is reported to have been growing in the West Indies since 1526, and was introduced by the Spaniards to the Philippines and by the Portuguese to India by the early 17th century. It quickly spread to most of the tropical
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Formulation Prospectives: Psidium guajava
Guava, or Psidium guajava, is an evergreen tree. It is an evergreen shrub that can grow up to 10 metres tall. The stem has a reddish brown colour and is tough and woody. The bark thins out. It has many tasty pears that are shaped like pears and white flowers that are blooming.openaire +1 more source
ผลของการสกัดด้วยเอนไซม์ต่อสารหน้าที่เฉพาะในฝรั่งแดง Psidium guajava L.
งานวิจัยนี้มีวัตถุประสงค์เพื่อศึกษากระบวนการแปรรูปไซรัปฝรั่งแดงด้วยเอนไซม์และศึกษาลักษณะ เฉพาะของไซรัปฝรั่งแดง จากการคัดเลือกระยะการสุกของฝรั่งแดงพบว่า ฝรั่งแดงสุกบ่มที่อุณหภูมิ 30±2ºC เป็นเวลา 7 วัน จะมีสีแดงตามธรรมชาติของฝรั่งแดงสด มีกลิ่นหอมหวานและมีรสหวานของฝรั่งแดงชัดเจน ไม่มีกลิ่นแปลกปลอม มากกว่าระดับอื่นอย่างมีนัยสำคัญ (p<0.05) ดังนั้นจึงเล ...openaire +1 more source