Grapefruit
The grapefruit (Citrus paradisi or Citrus x paradisi) is a small subtropical citrus tree known for its relatively large fruit. Although its botanical origins are uncertain, it appears to have come originally from northern China. It is thought to be a natural hybrid originating in Barbados as an accidental cross between the Jamaican sweet orange (C. sinensis) and the Indonesian pomelo or shaddock (C. maxima), both of which had been introduced to the West Indies from Asia by English captain Philip Shaddock by around 1692. The evergreen grapefruit trees usually grow to around 5-6m (16-29 ft) tall but can reach 30m, with a single trunk and many branches. The leaves are glossy, dark green, long, and thin. a tree produces white four-petaled flowers. The fruit's outer skin is light yellow- to orange-skinned (although a few are green) and generally is spherical, ranging in diameter from 10 to 15cm (4-6 in).
The tree was first cultivated documented in 1750 by a Rev. Griffith Hughes, who described it in his 'The Natural History of Barbados' and called it the 'forbidden fruit' because it reminded him of the biblical apple in the Garden of Eden. In 1814, naturalist John Lunan first used the term grapefruit in print to describe a similar Jamaican citrus plant, reporting that the name was due to its similarity in taste to the grape (Vitis vinifera). However, an alternative explanation was offered by botanist François Richard de Tussac, who suggested that the name may refer to clusters of fruit on the tree, appearing similar to grape bunches.
From Barbados, the plant was introduced to Florida in 1823 by Count Odet Philippe (the first permanent, non-native settler there), where it quickly became popular. Subsequent crosses produced the tangelo in 1905, the Minneola tangelo in 1931, and the oroblanco in 1984. Kimball Atwood founded the Atwood Grapefruit Company in the late 19th century, and its planting became the largest grapefruit grove in the world at the time, with a yearly output of 80,000 boxes of fruit. The pink grapefruit was first discovered there in 1906.
The fruit's interior flesh is segmented, and its colors range from white, through pale yellow or blush-pink, to ruby red. The darker coloration is due to the presence of lycopene. They are rich in nutrients, fiber, vitamins, and minerals. The taste is sour to semi-sweet or bitter. With ongoing research, horticulturalists learned how to remove the bitterness and improve the fruit's sweetness while still maintaining the tangy flavor. Grapefruit flavors result from varying compositions of sugars (mainly sucrose) and organic acids (mainly citric acid). The sweetest and least acidic are the red varieties, but yellow and pink ones are the most common. Radiation has been used to develop plants whose fruit retained the red tones that would usually fade naturally to pink.
The major commercial varieties are the Pink, Ruby Red, Star Ruby, Thompson, and White March, with the color name usually referring to the fruit's flesh and not the peel. The Star Ruby is the darkest of the red varieties; it has found only limited commercial success because it is more difficult to grow. The most popular grapefruit is the Ruby Red (or Reblush), patented in 1929 after it was discovered growing on a pink variety as a limb sport (a part of a plant that shows morphological differences from the rest of the plant).
The US was for a long time the leading grower of grapefruit, but it has been overtaken by China. World production of grapefruit in 2019 was 9.3 million tons, of which 53% came from China. Other significant producers include Vietnam (0.8 ton), the United States (0.5 ton, mainly Florida), Mexico (0.5 ton), and South Africa (0.4 ton).
Commercial grapefruit oil is produced mainly in the US, the West Indies, Brazil, Israel, and Nigeria. The oil is expressed (cold pressed) or distilled from the peels, and to a lesser extent the seeds or even the whole fruit. The essential oil separates naturally from the pressed juice. Most commercial oil comes from the Duncan variety, light yellow fruits with a very light-colored flesh. It is thin and watery and yellow to green-yellow or pale orange-yellow in color. Since oil glands are located more deeply in grapefruit peel than in other citrus fruits, its oil is more difficult to extract and is more expensive than oils of lemon and orange.
A study in 1980 demonstrated that Florida grapefruit oil has at least 32 volatile compounds, and a 2001 study showed that 22 of them had significant aroma activity. In another study in 2002, limonene (93%), myrcene (1.5%), sabinene (0.6%), and α-pinene (0.6%) were determined as major aromatic compounds. Tisserand and Young (2014) reported similar results on grapefruit essential oil composition, confirming that it consisted mainly of limonene (90%) and bergamot (27%–52%). The aroma of grapefruit oil seems to be due mainly to the terpenes. The primary one is mercaptan (thiolimonene), which along with nootkatone are the substances that give a sulfurous 'tropical' character which differentiates grapefruit's smell from those of other citrus fruits. Mercaptan is extremely intense, providing its fruity note even at a presence of less than one part per billion in the oil. A major scent contribution also comes from natural saturated aldehydes, especially octanal, decanal, and dodecanal.
There is substantial chemical variation existing in the peel oil from different cultivars grown in the same region, as well as from cultivars grown in different regions, resulting in a wide range of grapefruit aroma qualities and standards. In addition, cold-pressed grapefruit oil sometimes is adulterated by the addition of lower-quality steam-distilled oil, isolated grapefruit terpenes, and sweet orange terpenes. Like most other citrus oils, grapefruit oil is unstable and deteriorates easily upon exposure to moisture, air, and daylight.
In order to create a brighter and more convincing citrus-smelling perfume ingredient, producers reduce the amount of limonene in the oil, usually by distilling it off under pressure at low temperatures. These are called 'folded' oils. For example, the designation '5x fold' or '5-fold' means that the oil must be diluted 5 times with limonene to return it to its original unfractionated version.
In his book 'The Diary of a Nose,' perfumer Jean-Claude Ellena expresses regret that natural grapefruit essential oil smells too much like orange, lacking somewhat the overall character of the smell of the fresh fruit. The smell that differentiate grapefruit somewhat from the other citruses is a particularly bitter, herbaceous woody aspect that is reminiscent of vetiver. This is mainly determined by nootkatone, whose concentration in the oil varies from 0.5% to 2%. The color of the fruit correlates directly with its overall scent composition: white grapefruit, sharp and bitter, has the highest amount of nootkatone and other minor components; while more intensely colored varieties, sweeter and more sensual, contain less of these substances but have a higher aldehyde content.
The chemical synthesis of nootkatone, now being used to fulfill market demand for grapefruit aroma because of low yields from natural plant sources, uses harmful chemicals and is very expensive. It takes about 4 tons of grapefruit to make 1kg of nootkatone. Therefore, attempts are being made to produce nootkatone from microbes through biotechnological approaches. The company Biotrans produces nootkatone from natural valencene derived from oranges, using the enzyme cytochrome p450. This can be called natural in product labeling but cannot be called 'natural grapefruit.'
Synthetics, primarily vetivone and valencene, are also used now in modern perfume products. Their odors provide a number of different facets in varying combinations. Each has its own nuances: dimethylcathinone and fructalate smell very fresh and citrusy; floropal and rhubafuran have rhubarb, green scent, with a touch of marijuana; khusinil, vigoflor and rhubofix share a distinct woody character, reminiscent of vetiver. Rhubofix in particular mimics the qualities of nootkatone. The synthetics, lasting longer than the natural scent components, are sometimes used as middle or base notes.
Citrus essential oils are the most popular group of aromatics in the natural fragrances market, although they are not universally admired, and grapefruit is not among the most favored citruses. In the 1990s, it was mainly used in the top citrus notes of masculine fragrances, but it is employed more widely now. It is a main ingredient of woody aromatic blends, especially summer compositions. Members of the chypre family frequently contain grapefruit along with other citruses, often paired with vetiver, oakmoss, iris, amber, and patchouli.
Grapefruit aroma offers an energetic yet calming and elegant aspect that sets it apart from other citrus fruits. It is lively and sparkling, fresh, cooling, and somewhat sour to bittersweet. As a result of continued cross-breeding, the essential oil's fragrance, like the taste of the fruit, has become 'softer' and with less character than in the past. The grapefruit scent note blends especially well with bergamot, mandarin, neroli, basil, frankincense, peppermint, rosemary, chamomile, clove, black pepper, nutmeg, fennel, ginger, lavender, oakmoss, cypress, cedarwood, rosewood, balsam, juniper, geranium, jasmine, patchouli, and ylang-ylang. The oil breaks down on the skin to form somewhat malodorous compounds, so fruit ester 'modifiers' are sometimes added to it to maintain a fresher floral scent after application.
Grapefruit has a long history of use in folk medicines around the world and has been used traditionally as an antibacterial, antifungal, anti-inflammatory, antioxidant, astringent, and preservative. It is has popular as a remedy for cellulite and as an antidepressant. In aromatherapy, it is thought to be calming but stimulating and uplifting. It is also used commercially as a flavoring agent in foods and beverages and as a fragrance ingredient in soaps, detergents, and personal care products.
Masculine grapefruit fragrances:
Acqua di Gio Essenza
Agonist Solaris
Alfred Dunhill X-Centric
Alendor Taboo
Antonio Puig Quorum
Aramis Havana
Atelier Cologne Pomelo Paradis
Athena Vetiver
Autre Parfum Avant-Garde
Azzaro Chrome (various), Azzaro Jetlag, Azzaro LE 2016
Baldessarini Del Mar Marbella
Barbour
Benetton White Night
Bvlgari Aqua Marine, Bvlgari Man Extreme, Bvlgari Tygar
Burberry Mr. Burberry, Burberry Sport, Burberry Weekend
By Killian Smoke for the Soul
Carolina Herrera 212 Summer 2013, CH 212 Surf, CH Sport
Cacharel Amor Sunshine
Cartier Declaration l'Eau
Chanel Bleu
Chopard Malaki
Christian Dior Aqua Fahrenheit, CD Higher Energy, CD Homme Sport, CD Vetiver
Creed Himalaya
Davidoff Good Life
Dolce & Gabbana Light Blue, D&G The One
Dzintars Sudrabotais Ledus Blue
Emanuel Ungaro Fresh
Estee Lauder Pleasures
Fiorucci Extreme Sport
Giorgio Armani Night
Giorgio Beverly Hills Ocean Dream
Givenchy Blue Label, Givenchy Fresh Attitude
Guerlain Aqua Allegoria Pamplelune, Guerlain l'Instant
Guy Laroche Drakkar Dynamik
Hermes Terre d'Hermes
Hugo Boss Boss in Motion, HB Boss Pure, HB Boss Selection, HB Boss Unlimited, HB Hugo Dark Blue
I-Scents Premium Blue Concept
Issey Miyake Sport Polar Expedition
Jacques Bogart Riviera Nights
Jean Paul Gaultier Le Male Terrible
Jeanne Arthes Joe Sorrento Sport
Jequiti Abyssal Homem Energy
Jo Malone Grapefruit
Kenzo Fresh
Korres Neos
Lange Orient Treasure
Loewe Sport Edicion Especial
Louis Cardin La Viola
Mont Blanc Emblem
Moschino Forever Sailing
Oriflame Ascendant Aqua, Oriflame Eclat Lui
Paco Rabanne 1 Million, PR Invictus
Paul Sebastian Silver
Paul Smith Sunshine Edition
Sean John Unforgivable Night
Tom Ford Mandarino di Amalfi
Tommy Hilfiger Freedom, TH True Star
Victorio & Lucchino No7 Frescor Mediterraneo
Viktor & Rolf Spicebomb
Yves Rocher Cypres et Pamplemousse
Zara Denim Couture, Zara Navy Black, Zara Norrland, Zara Vibrant Leather Parfum de Liberte
Pink grapefruit fragrances for men (generally sweeter):
Bvlgari Man Extreme (various)
Carolina Herrera 212 NYC Seductive
Cartier Declaration l'Eau
Emanuel Ungaro Cologne Extreme
Il Profvmo Cafe Vert
Karl Lagerfeld Bois de Vetiver
Kenzo Electric Wave
Kanon Kool
Lacoste Essential Sport
Nautica Gold Rush
Ralph Lauren Big Pony 4, RL Polo Red (various)
S.T. Dupont Paris by Night
Tommy Hilfiger Eau de Prep, TH Hilfiger
Van Gils Strictly for Night
Yohji Yamamoto His Love Story
Zara Black Edition
The grapefruit (Citrus paradisi or Citrus x paradisi) is a small subtropical citrus tree known for its relatively large fruit. Although its botanical origins are uncertain, it appears to have come originally from northern China. It is thought to be a natural hybrid originating in Barbados as an accidental cross between the Jamaican sweet orange (C. sinensis) and the Indonesian pomelo or shaddock (C. maxima), both of which had been introduced to the West Indies from Asia by English captain Philip Shaddock by around 1692. The evergreen grapefruit trees usually grow to around 5-6m (16-29 ft) tall but can reach 30m, with a single trunk and many branches. The leaves are glossy, dark green, long, and thin. a tree produces white four-petaled flowers. The fruit's outer skin is light yellow- to orange-skinned (although a few are green) and generally is spherical, ranging in diameter from 10 to 15cm (4-6 in).
The tree was first cultivated documented in 1750 by a Rev. Griffith Hughes, who described it in his 'The Natural History of Barbados' and called it the 'forbidden fruit' because it reminded him of the biblical apple in the Garden of Eden. In 1814, naturalist John Lunan first used the term grapefruit in print to describe a similar Jamaican citrus plant, reporting that the name was due to its similarity in taste to the grape (Vitis vinifera). However, an alternative explanation was offered by botanist François Richard de Tussac, who suggested that the name may refer to clusters of fruit on the tree, appearing similar to grape bunches.
From Barbados, the plant was introduced to Florida in 1823 by Count Odet Philippe (the first permanent, non-native settler there), where it quickly became popular. Subsequent crosses produced the tangelo in 1905, the Minneola tangelo in 1931, and the oroblanco in 1984. Kimball Atwood founded the Atwood Grapefruit Company in the late 19th century, and its planting became the largest grapefruit grove in the world at the time, with a yearly output of 80,000 boxes of fruit. The pink grapefruit was first discovered there in 1906.
The fruit's interior flesh is segmented, and its colors range from white, through pale yellow or blush-pink, to ruby red. The darker coloration is due to the presence of lycopene. They are rich in nutrients, fiber, vitamins, and minerals. The taste is sour to semi-sweet or bitter. With ongoing research, horticulturalists learned how to remove the bitterness and improve the fruit's sweetness while still maintaining the tangy flavor. Grapefruit flavors result from varying compositions of sugars (mainly sucrose) and organic acids (mainly citric acid). The sweetest and least acidic are the red varieties, but yellow and pink ones are the most common. Radiation has been used to develop plants whose fruit retained the red tones that would usually fade naturally to pink.
The major commercial varieties are the Pink, Ruby Red, Star Ruby, Thompson, and White March, with the color name usually referring to the fruit's flesh and not the peel. The Star Ruby is the darkest of the red varieties; it has found only limited commercial success because it is more difficult to grow. The most popular grapefruit is the Ruby Red (or Reblush), patented in 1929 after it was discovered growing on a pink variety as a limb sport (a part of a plant that shows morphological differences from the rest of the plant).
The US was for a long time the leading grower of grapefruit, but it has been overtaken by China. World production of grapefruit in 2019 was 9.3 million tons, of which 53% came from China. Other significant producers include Vietnam (0.8 ton), the United States (0.5 ton, mainly Florida), Mexico (0.5 ton), and South Africa (0.4 ton).
Commercial grapefruit oil is produced mainly in the US, the West Indies, Brazil, Israel, and Nigeria. The oil is expressed (cold pressed) or distilled from the peels, and to a lesser extent the seeds or even the whole fruit. The essential oil separates naturally from the pressed juice. Most commercial oil comes from the Duncan variety, light yellow fruits with a very light-colored flesh. It is thin and watery and yellow to green-yellow or pale orange-yellow in color. Since oil glands are located more deeply in grapefruit peel than in other citrus fruits, its oil is more difficult to extract and is more expensive than oils of lemon and orange.
A study in 1980 demonstrated that Florida grapefruit oil has at least 32 volatile compounds, and a 2001 study showed that 22 of them had significant aroma activity. In another study in 2002, limonene (93%), myrcene (1.5%), sabinene (0.6%), and α-pinene (0.6%) were determined as major aromatic compounds. Tisserand and Young (2014) reported similar results on grapefruit essential oil composition, confirming that it consisted mainly of limonene (90%) and bergamot (27%–52%). The aroma of grapefruit oil seems to be due mainly to the terpenes. The primary one is mercaptan (thiolimonene), which along with nootkatone are the substances that give a sulfurous 'tropical' character which differentiates grapefruit's smell from those of other citrus fruits. Mercaptan is extremely intense, providing its fruity note even at a presence of less than one part per billion in the oil. A major scent contribution also comes from natural saturated aldehydes, especially octanal, decanal, and dodecanal.
There is substantial chemical variation existing in the peel oil from different cultivars grown in the same region, as well as from cultivars grown in different regions, resulting in a wide range of grapefruit aroma qualities and standards. In addition, cold-pressed grapefruit oil sometimes is adulterated by the addition of lower-quality steam-distilled oil, isolated grapefruit terpenes, and sweet orange terpenes. Like most other citrus oils, grapefruit oil is unstable and deteriorates easily upon exposure to moisture, air, and daylight.
In order to create a brighter and more convincing citrus-smelling perfume ingredient, producers reduce the amount of limonene in the oil, usually by distilling it off under pressure at low temperatures. These are called 'folded' oils. For example, the designation '5x fold' or '5-fold' means that the oil must be diluted 5 times with limonene to return it to its original unfractionated version.
In his book 'The Diary of a Nose,' perfumer Jean-Claude Ellena expresses regret that natural grapefruit essential oil smells too much like orange, lacking somewhat the overall character of the smell of the fresh fruit. The smell that differentiate grapefruit somewhat from the other citruses is a particularly bitter, herbaceous woody aspect that is reminiscent of vetiver. This is mainly determined by nootkatone, whose concentration in the oil varies from 0.5% to 2%. The color of the fruit correlates directly with its overall scent composition: white grapefruit, sharp and bitter, has the highest amount of nootkatone and other minor components; while more intensely colored varieties, sweeter and more sensual, contain less of these substances but have a higher aldehyde content.
The chemical synthesis of nootkatone, now being used to fulfill market demand for grapefruit aroma because of low yields from natural plant sources, uses harmful chemicals and is very expensive. It takes about 4 tons of grapefruit to make 1kg of nootkatone. Therefore, attempts are being made to produce nootkatone from microbes through biotechnological approaches. The company Biotrans produces nootkatone from natural valencene derived from oranges, using the enzyme cytochrome p450. This can be called natural in product labeling but cannot be called 'natural grapefruit.'
Synthetics, primarily vetivone and valencene, are also used now in modern perfume products. Their odors provide a number of different facets in varying combinations. Each has its own nuances: dimethylcathinone and fructalate smell very fresh and citrusy; floropal and rhubafuran have rhubarb, green scent, with a touch of marijuana; khusinil, vigoflor and rhubofix share a distinct woody character, reminiscent of vetiver. Rhubofix in particular mimics the qualities of nootkatone. The synthetics, lasting longer than the natural scent components, are sometimes used as middle or base notes.
Citrus essential oils are the most popular group of aromatics in the natural fragrances market, although they are not universally admired, and grapefruit is not among the most favored citruses. In the 1990s, it was mainly used in the top citrus notes of masculine fragrances, but it is employed more widely now. It is a main ingredient of woody aromatic blends, especially summer compositions. Members of the chypre family frequently contain grapefruit along with other citruses, often paired with vetiver, oakmoss, iris, amber, and patchouli.
Grapefruit aroma offers an energetic yet calming and elegant aspect that sets it apart from other citrus fruits. It is lively and sparkling, fresh, cooling, and somewhat sour to bittersweet. As a result of continued cross-breeding, the essential oil's fragrance, like the taste of the fruit, has become 'softer' and with less character than in the past. The grapefruit scent note blends especially well with bergamot, mandarin, neroli, basil, frankincense, peppermint, rosemary, chamomile, clove, black pepper, nutmeg, fennel, ginger, lavender, oakmoss, cypress, cedarwood, rosewood, balsam, juniper, geranium, jasmine, patchouli, and ylang-ylang. The oil breaks down on the skin to form somewhat malodorous compounds, so fruit ester 'modifiers' are sometimes added to it to maintain a fresher floral scent after application.
Grapefruit has a long history of use in folk medicines around the world and has been used traditionally as an antibacterial, antifungal, anti-inflammatory, antioxidant, astringent, and preservative. It is has popular as a remedy for cellulite and as an antidepressant. In aromatherapy, it is thought to be calming but stimulating and uplifting. It is also used commercially as a flavoring agent in foods and beverages and as a fragrance ingredient in soaps, detergents, and personal care products.
Masculine grapefruit fragrances:
Acqua di Gio Essenza
Agonist Solaris
Alfred Dunhill X-Centric
Alendor Taboo
Antonio Puig Quorum
Aramis Havana
Atelier Cologne Pomelo Paradis
Athena Vetiver
Autre Parfum Avant-Garde
Azzaro Chrome (various), Azzaro Jetlag, Azzaro LE 2016
Baldessarini Del Mar Marbella
Barbour
Benetton White Night
Bvlgari Aqua Marine, Bvlgari Man Extreme, Bvlgari Tygar
Burberry Mr. Burberry, Burberry Sport, Burberry Weekend
By Killian Smoke for the Soul
Carolina Herrera 212 Summer 2013, CH 212 Surf, CH Sport
Cacharel Amor Sunshine
Cartier Declaration l'Eau
Chanel Bleu
Chopard Malaki
Christian Dior Aqua Fahrenheit, CD Higher Energy, CD Homme Sport, CD Vetiver
Creed Himalaya
Davidoff Good Life
Dolce & Gabbana Light Blue, D&G The One
Dzintars Sudrabotais Ledus Blue
Emanuel Ungaro Fresh
Estee Lauder Pleasures
Fiorucci Extreme Sport
Giorgio Armani Night
Giorgio Beverly Hills Ocean Dream
Givenchy Blue Label, Givenchy Fresh Attitude
Guerlain Aqua Allegoria Pamplelune, Guerlain l'Instant
Guy Laroche Drakkar Dynamik
Hermes Terre d'Hermes
Hugo Boss Boss in Motion, HB Boss Pure, HB Boss Selection, HB Boss Unlimited, HB Hugo Dark Blue
I-Scents Premium Blue Concept
Issey Miyake Sport Polar Expedition
Jacques Bogart Riviera Nights
Jean Paul Gaultier Le Male Terrible
Jeanne Arthes Joe Sorrento Sport
Jequiti Abyssal Homem Energy
Jo Malone Grapefruit
Kenzo Fresh
Korres Neos
Lange Orient Treasure
Loewe Sport Edicion Especial
Louis Cardin La Viola
Mont Blanc Emblem
Moschino Forever Sailing
Oriflame Ascendant Aqua, Oriflame Eclat Lui
Paco Rabanne 1 Million, PR Invictus
Paul Sebastian Silver
Paul Smith Sunshine Edition
Sean John Unforgivable Night
Tom Ford Mandarino di Amalfi
Tommy Hilfiger Freedom, TH True Star
Victorio & Lucchino No7 Frescor Mediterraneo
Viktor & Rolf Spicebomb
Yves Rocher Cypres et Pamplemousse
Zara Denim Couture, Zara Navy Black, Zara Norrland, Zara Vibrant Leather Parfum de Liberte
Pink grapefruit fragrances for men (generally sweeter):
Bvlgari Man Extreme (various)
Carolina Herrera 212 NYC Seductive
Cartier Declaration l'Eau
Emanuel Ungaro Cologne Extreme
Il Profvmo Cafe Vert
Karl Lagerfeld Bois de Vetiver
Kenzo Electric Wave
Kanon Kool
Lacoste Essential Sport
Nautica Gold Rush
Ralph Lauren Big Pony 4, RL Polo Red (various)
S.T. Dupont Paris by Night
Tommy Hilfiger Eau de Prep, TH Hilfiger
Van Gils Strictly for Night
Yohji Yamamoto His Love Story
Zara Black Edition
John