Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . EN, endosperm. cells having yellowish, porous walls and rather large lumina; apigment layer, the cells having a reddish-brown content; endosperm FLAXSEED 351 consisting of from 6 to 10 rows of cells, surrounding the two largeplano-convex cotyledons; the cells of both the endosperm and thecotyledons contain a fixed oil and aleurone grains, the latter beingfrom to mm. in diameter. Linseed or Flaxsee
Scientific and applied pharmacognosy intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists . EN, endosperm. cells having yellowish, porous walls and rather large lumina; apigment layer, the cells having a reddish-brown content; endosperm FLAXSEED 351 consisting of from 6 to 10 rows of cells, surrounding the two largeplano-convex cotyledons; the cells of both the endosperm and thecotyledons contain a fixed oil and aleurone grains, the latter beingfrom to mm. in diameter. Linseed or Flaxseed Meal.—(Fig. 153.) Lemon-yellow; frag-ments of seed-coat with mucilaginous epidermal cells; sub-epidermaltissue composed of two rows of yellowish cells with rather large inter-cellular spaces; a layer of sclerenchymatous fibers, which are mm. in length and about mm. in diameter and withnumerous simple pores; several layers of obliterated cells; and alayer of pigment cells which are more or less tabular or polygonal,tangentially elongated and with a reddish- or yellowish-brown pig-ment, which is colored dark blue with solutions of ferric chloride. P — 9 —. Fig. 153.—Ground flaxseed: p, epidermis; c, epidermal cells with broken cuti-nized layer; E, parenchyma cells beneath the epidermis; /, short scleren-chymatous fibers; qu, colorless cells beneath the sclerenchymatous fibers;g, pigment cells with thick, porous walls and yellowish-brown contents; C,cells of cotyledons containing aleurone grains.—After Moeller. The endosperm is made up of 2 to 6 layers of cells containing oil anddifficultly distinguishable protein grains. The embryo contains con-siderable oil and large aleurone grains to mm. in diam-eter, the crystalloids of which can be more readily discerned ontreating the material first with chloroform and then mounting inan iodin solution. Flaxseed does not contain starch and the com-mercial product should not show more than 10 starc
Size: 2129px × 1173px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1920
